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home:dirkmueller:acdc:as_python3_module
texlive
0004-Add-ppc64-support-based-on-koriakin-GitHub...
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File 0004-Add-ppc64-support-based-on-koriakin-GitHub-patchset.patch of Package texlive
From: "Rodrigo R. Galvao" <rosattig@br.ibm.com> Date: Wed, 11 Oct 2017 08:41:47 +0000 Subject: New patch proposal for PPC64 support Create a patch for PPC64 support based on https://github.com/LuaJIT/LuaJIT/pull/140. It replaces the old patch since this new one is more likely to be merged with luajit upstream. Author: Rodrigo R. Galvao <rosattig@br.ibm.com> --- dynasm/dasm_ppc.lua | 5 + src/Makefile | 11 +- src/host/buildvm_asm.c | 16 +- src/lj_arch.h | 18 +- src/lj_ccall.c | 166 ++++++- src/lj_ccall.h | 13 + src/lj_ccallback.c | 68 ++- src/lj_ctype.h | 2 +- src/lj_def.h | 4 + src/lj_frame.h | 9 + src/lj_target_ppc.h | 14 + src/vm_ppc.dasc | 1290 ++++++++++++++++++++++++++++++++---------------- 12 files changed, 1162 insertions(+), 454 deletions(-) diff --git a/dynasm/dasm_ppc.lua b/dynasm/dasm_ppc.lua index f73974d..a4ad70b 100644 --- a/dynasm/dasm_ppc.lua +++ b/dynasm/dasm_ppc.lua @@ -257,9 +257,11 @@ map_op = { addic_3 = "30000000RRI", ["addic._3"] = "34000000RRI", addi_3 = "38000000RR0I", + addil_3 = "38000000RR0J", li_2 = "38000000RI", la_2 = "38000000RD", addis_3 = "3c000000RR0I", + addisl_3 = "3c000000RR0J", lis_2 = "3c000000RI", lus_2 = "3c000000RU", bc_3 = "40000000AAK", @@ -842,6 +844,9 @@ map_op = { srdi_3 = op_alias("rldicl_4", function(p) p[4] = p[3]; p[3] = "64-("..p[3]..")" end), + ["srdi._3"] = op_alias("rldicl._4", function(p) + p[4] = p[3]; p[3] = "64-("..p[3]..")" + end), clrldi_3 = op_alias("rldicl_4", function(p) p[4] = p[3]; p[3] = "0" end), diff --git a/src/Makefile b/src/Makefile index 6b73a89..cc50bae 100644 --- a/src/Makefile +++ b/src/Makefile @@ -450,7 +450,16 @@ ifeq (ppc,$(TARGET_LJARCH)) DASM_AFLAGS+= -D GPR64 endif ifeq (PS3,$(TARGET_SYS)) - DASM_AFLAGS+= -D PPE -D TOC + DASM_AFLAGS+= -D PPE + endif + ifneq (,$(findstring LJ_ARCH_PPC_OPD 1,$(TARGET_TESTARCH))) + DASM_AFLAGS+= -D OPD + endif + ifneq (,$(findstring LJ_ARCH_PPC_OPDENV 1,$(TARGET_TESTARCH))) + DASM_AFLAGS+= -D OPDENV + endif + ifneq (,$(findstring LJ_ARCH_PPC_ELFV2 1,$(TARGET_TESTARCH))) + DASM_AFLAGS+= -D ELFV2 endif ifneq (,$(findstring LJ_ARCH_PPC64 ,$(TARGET_TESTARCH))) DASM_ARCH= ppc64 diff --git a/src/host/buildvm_asm.c b/src/host/buildvm_asm.c index ffd1490..6bb995e 100644 --- a/src/host/buildvm_asm.c +++ b/src/host/buildvm_asm.c @@ -140,18 +140,14 @@ static void emit_asm_wordreloc(BuildCtx *ctx, uint8_t *p, int n, #else #define TOCPREFIX "" #endif - if ((ins >> 26) == 16) { + if ((ins >> 26) == 14) { + fprintf(ctx->fp, "\taddi %d,%d,%s\n", (ins >> 21) & 31, (ins >> 16) & 31, sym); + } else if ((ins >> 26) == 15) { + fprintf(ctx->fp, "\taddis %d,%d,%s\n", (ins >> 21) & 31, (ins >> 16) & 31, sym); + } else if ((ins >> 26) == 16) { fprintf(ctx->fp, "\t%s %d, %d, " TOCPREFIX "%s\n", (ins & 1) ? "bcl" : "bc", (ins >> 21) & 31, (ins >> 16) & 31, sym); } else if ((ins >> 26) == 18) { -#if LJ_ARCH_PPC64 - const char *suffix = strchr(sym, '@'); - if (suffix && suffix[1] == 'h') { - fprintf(ctx->fp, "\taddis 11, 2, %s\n", sym); - } else if (suffix && suffix[1] == 'l') { - fprintf(ctx->fp, "\tld 12, %s\n", sym); - } else -#endif fprintf(ctx->fp, "\t%s " TOCPREFIX "%s\n", (ins & 1) ? "bl" : "b", sym); } else { fprintf(stderr, @@ -250,7 +246,7 @@ void emit_asm(BuildCtx *ctx) int i, rel; fprintf(ctx->fp, "\t.file \"buildvm_%s.dasc\"\n", ctx->dasm_arch); -#if LJ_ARCH_PPC64 +#if LJ_ARCH_PPC_ELFV2 fprintf(ctx->fp, "\t.abiversion 2\n"); #endif fprintf(ctx->fp, "\t.text\n"); diff --git a/src/lj_arch.h b/src/lj_arch.h index d609b37..53bc651 100644 --- a/src/lj_arch.h +++ b/src/lj_arch.h @@ -267,10 +267,18 @@ #if LJ_TARGET_CONSOLE #define LJ_ARCH_PPC32ON64 1 #define LJ_ARCH_NOFFI 1 +#if LJ_TARGET_PS3 +#define LJ_ARCH_PPC_OPD 1 +#endif #elif LJ_ARCH_BITS == 64 -#define LJ_ARCH_PPC64 1 -#define LJ_TARGET_GC64 1 +#define LJ_ARCH_PPC32ON64 1 #define LJ_ARCH_NOJIT 1 /* NYI */ +#if _CALL_ELF == 2 +#define LJ_ARCH_PPC_ELFV2 1 +#else +#define LJ_ARCH_PPC_OPD 1 +#define LJ_ARCH_PPC_OPDENV 1 +#endif #endif #if _ARCH_PWR7 @@ -421,12 +429,6 @@ #if defined(_SOFT_FLOAT) || defined(_SOFT_DOUBLE) #error "No support for PowerPC CPUs without double-precision FPU" #endif -#if !LJ_ARCH_PPC64 && LJ_ARCH_ENDIAN == LUAJIT_LE -#error "No support for little-endian PPC32" -#endif -#if LJ_ARCH_PPC64 -#error "No support for PowerPC 64 bit mode (yet)" -#endif #ifdef __NO_FPRS__ #error "No support for PPC/e500 anymore (use LuaJIT 2.0)" #endif diff --git a/src/lj_ccall.c b/src/lj_ccall.c index 5c252e5..b891591 100644 --- a/src/lj_ccall.c +++ b/src/lj_ccall.c @@ -369,21 +369,97 @@ #elif LJ_TARGET_PPC /* -- PPC calling conventions --------------------------------------------- */ +#if LJ_ARCH_BITS == 64 + +#if LJ_ARCH_PPC_ELFV2 + +#define CCALL_HANDLE_STRUCTRET \ + if (sz > 16 && ccall_classify_fp(cts, ctr) <= 0) { \ + cc->retref = 1; /* Return by reference. */ \ + cc->gpr[ngpr++] = (GPRArg)dp; \ + } + +#define CCALL_HANDLE_STRUCTRET2 \ + int isfp = ccall_classify_fp(cts, ctr); \ + int i; \ + if (isfp == FTYPE_FLOAT) { \ + for (i = 0; i < ctr->size / 4; i++) \ + ((float *)dp)[i] = cc->fpr[i]; \ + } else if (isfp == FTYPE_DOUBLE) { \ + for (i = 0; i < ctr->size / 8; i++) \ + ((double *)dp)[i] = cc->fpr[i]; \ + } else { \ + if (ctr->size < 8 && LJ_BE) { \ + sp += 8 - ctr->size; \ + } \ + memcpy(dp, sp, ctr->size); \ + } + +#else + #define CCALL_HANDLE_STRUCTRET \ cc->retref = 1; /* Return all structs by reference. */ \ cc->gpr[ngpr++] = (GPRArg)dp; +#endif + #define CCALL_HANDLE_COMPLEXRET \ /* Complex values are returned in 2 or 4 GPRs. */ \ cc->retref = 0; +#define CCALL_HANDLE_STRUCTARG + #define CCALL_HANDLE_COMPLEXRET2 \ - memcpy(dp, sp, ctr->size); /* Copy complex from GPRs. */ + if (ctr->size == 2*sizeof(float)) { /* Copy complex float from FPRs. */ \ + ((float *)dp)[0] = cc->fpr[0]; \ + ((float *)dp)[1] = cc->fpr[1]; \ + } else { /* Copy complex double from FPRs. */ \ + ((double *)dp)[0] = cc->fpr[0]; \ + ((double *)dp)[1] = cc->fpr[1]; \ + } + +#define CCALL_HANDLE_COMPLEXARG \ + isfp = 1; \ + if (d->size == sizeof(float) * 2) { \ + d = ctype_get(cts, CTID_COMPLEX_DOUBLE); \ + isf32 = 1; \ + } + +#define CCALL_HANDLE_REGARG \ + if (isfp && d->size == sizeof(float)) { \ + d = ctype_get(cts, CTID_DOUBLE); \ + isf32 = 1; \ + } \ + if (ngpr < maxgpr) { \ + dp = &cc->gpr[ngpr]; \ + ngpr += n; \ + if (ngpr > maxgpr) { \ + nsp += ngpr - 8; \ + ngpr = 8; \ + if (nsp > CCALL_MAXSTACK) { \ + goto err_nyi; \ + } \ + } \ + goto done; \ + } + +#else + +#define CCALL_HANDLE_STRUCTRET \ + cc->retref = 1; /* Return all structs by reference. */ \ + cc->gpr[ngpr++] = (GPRArg)dp; + +#define CCALL_HANDLE_COMPLEXRET \ + /* Complex values are returned in 2 or 4 GPRs. */ \ + cc->retref = 0; #define CCALL_HANDLE_STRUCTARG \ rp = cdataptr(lj_cdata_new(cts, did, sz)); \ sz = CTSIZE_PTR; /* Pass all structs by reference. */ +#define CCALL_HANDLE_COMPLEXRET2 \ + memcpy(dp, sp, ctr->size); /* Copy complex from GPRs. */ + #define CCALL_HANDLE_COMPLEXARG \ /* Pass complex by value in 2 or 4 GPRs. */ @@ -410,6 +486,8 @@ } \ } +#endif + #define CCALL_HANDLE_RET \ if (ctype_isfp(ctr->info) && ctr->size == sizeof(float)) \ ctr = ctype_get(cts, CTID_DOUBLE); /* FPRs always hold doubles. */ @@ -801,6 +879,50 @@ noth: /* Not a homogeneous float/double aggregate. */ #endif +/* -- PowerPC64 ELFv2 ABI struct classification ------------------- */ + +#if LJ_ARCH_PPC_ELFV2 + +#define FTYPE_FLOAT 1 +#define FTYPE_DOUBLE 2 + +static unsigned int ccall_classify_fp(CTState *cts, CType *ct) { + if (ctype_isfp(ct->info)) { + if (ct->size == sizeof(float)) + return FTYPE_FLOAT; + else + return FTYPE_DOUBLE; + } else if (ctype_iscomplex(ct->info)) { + if (ct->size == sizeof(float) * 2) + return FTYPE_FLOAT; + else + return FTYPE_DOUBLE; + } else if (ctype_isstruct(ct->info)) { + int res = -1; + int sz = ct->size; + while (ct->sib) { + ct = ctype_get(cts, ct->sib); + if (ctype_isfield(ct->info)) { + int sub = ccall_classify_fp(cts, ctype_rawchild(cts, ct)); + if (res == -1) + res = sub; + if (sub != -1 && sub != res) + return 0; + } else if (ctype_isbitfield(ct->info) || + ctype_isxattrib(ct->info, CTA_SUBTYPE)) { + return 0; + } + } + if (res > 0 && sz > res * 4 * 8) + return 0; + return res; + } else { + return 0; + } +} + +#endif + /* -- MIPS64 ABI struct classification ---------------------------- */ #if LJ_TARGET_MIPS64 @@ -974,6 +1096,9 @@ static int ccall_set_args(lua_State *L, CTState *cts, CType *ct, CTSize sz; MSize n, isfp = 0, isva = 0; void *dp, *rp = NULL; +#if LJ_TARGET_PPC && LJ_ARCH_BITS == 64 + int isf32 = 0; +#endif if (fid) { /* Get argument type from field. */ CType *ctf = ctype_get(cts, fid); @@ -1030,7 +1155,37 @@ static int ccall_set_args(lua_State *L, CTState *cts, CType *ct, *(void **)dp = rp; dp = rp; } +#if LJ_TARGET_PPC && LJ_ARCH_BITS == 64 && LJ_BE + if (ctype_isstruct(d->info) && sz < CTSIZE_PTR) { + dp = (char *)dp + (CTSIZE_PTR - sz); + } +#endif lj_cconv_ct_tv(cts, d, (uint8_t *)dp, o, CCF_ARG(narg)); +#if LJ_TARGET_PPC && LJ_ARCH_BITS == 64 + if (isfp) { + int i; + for (i = 0; i < d->size / 8 && nfpr < CCALL_NARG_FPR; i++) + cc->fpr[nfpr++] = ((double *)dp)[i]; + } + if (isf32) { + int i; + for (i = 0; i < d->size / 8; i++) + ((float *)dp)[i*2] = ((double *)dp)[i]; + } +#endif +#if LJ_ARCH_PPC_ELFV2 + if (ctype_isstruct(d->info)) { + isfp = ccall_classify_fp(cts, d); + int i; + if (isfp == FTYPE_FLOAT) { + for (i = 0; i < d->size / 4 && nfpr < CCALL_NARG_FPR; i++) + cc->fpr[nfpr++] = ((float *)dp)[i]; + } else if (isfp == FTYPE_DOUBLE) { + for (i = 0; i < d->size / 8 && nfpr < CCALL_NARG_FPR; i++) + cc->fpr[nfpr++] = ((double *)dp)[i]; + } + } +#endif /* Extend passed integers to 32 bits at least. */ if (ctype_isinteger_or_bool(d->info) && d->size < 4) { if (d->info & CTF_UNSIGNED) @@ -1044,6 +1199,15 @@ static int ccall_set_args(lua_State *L, CTState *cts, CType *ct, if (isfp && d->size == sizeof(float)) ((float *)dp)[1] = ((float *)dp)[0]; /* Floats occupy high slot. */ #endif +#if LJ_TARGET_PPC && LJ_ARCH_BITS == 64 + if ((ctype_isinteger_or_bool(d->info) || ctype_isenum(d->info)) + && d->size <= 4) { + if (d->info & CTF_UNSIGNED) + *(uint64_t *)dp = (uint64_t)*(uint32_t *)dp; + else + *(int64_t *)dp = (int64_t)*(int32_t *)dp; + } +#endif #if LJ_TARGET_MIPS64 || (LJ_TARGET_ARM64 && LJ_BE) if ((ctype_isinteger_or_bool(d->info) || ctype_isenum(d->info) #if LJ_TARGET_MIPS64 diff --git a/src/lj_ccall.h b/src/lj_ccall.h index 59f6648..bbf309f 100644 --- a/src/lj_ccall.h +++ b/src/lj_ccall.h @@ -86,10 +86,23 @@ typedef union FPRArg { #elif LJ_TARGET_PPC #define CCALL_NARG_GPR 8 +#if LJ_ARCH_BITS == 64 +#define CCALL_NARG_FPR 13 +#if LJ_ARCH_PPC_ELFV2 +#define CCALL_NRET_GPR 2 +#define CCALL_NRET_FPR 8 +#define CCALL_SPS_EXTRA 14 +#else +#define CCALL_NRET_GPR 1 +#define CCALL_NRET_FPR 2 +#define CCALL_SPS_EXTRA 16 +#endif +#else #define CCALL_NARG_FPR 8 #define CCALL_NRET_GPR 4 /* For complex double. */ #define CCALL_NRET_FPR 1 #define CCALL_SPS_EXTRA 4 +#endif #define CCALL_SPS_FREE 0 typedef intptr_t GPRArg; diff --git a/src/lj_ccallback.c b/src/lj_ccallback.c index 846827b..eb7f445 100644 --- a/src/lj_ccallback.c +++ b/src/lj_ccallback.c @@ -61,8 +61,24 @@ static MSize CALLBACK_OFS2SLOT(MSize ofs) #elif LJ_TARGET_PPC +#if LJ_ARCH_PPC_OPD + +#define CALLBACK_SLOT2OFS(slot) (24*(slot)) +#define CALLBACK_OFS2SLOT(ofs) ((ofs)/24) +#define CALLBACK_MAX_SLOT (CALLBACK_OFS2SLOT(CALLBACK_MCODE_SIZE)) + +#elif LJ_ARCH_PPC_ELFV2 + +#define CALLBACK_SLOT2OFS(slot) (4*(slot)) +#define CALLBACK_OFS2SLOT(ofs) ((ofs)/4) +#define CALLBACK_MAX_SLOT (CALLBACK_MCODE_SIZE/4 - 10) + +#else + #define CALLBACK_MCODE_HEAD 24 +#endif + #elif LJ_TARGET_MIPS32 #define CALLBACK_MCODE_HEAD 20 @@ -188,24 +204,59 @@ static void callback_mcode_init(global_State *g, uint32_t *page) lua_assert(p - page <= CALLBACK_MCODE_SIZE); } #elif LJ_TARGET_PPC +#if LJ_ARCH_PPC_OPD +register void *vm_toc __asm__("r2"); +static void callback_mcode_init(global_State *g, uint64_t *page) +{ + uint64_t *p = page; + void *target = (void *)lj_vm_ffi_callback; + MSize slot; + for (slot = 0; slot < CALLBACK_MAX_SLOT; slot++) { + *p++ = (uint64_t)target; + *p++ = (uint64_t)vm_toc; + *p++ = (uint64_t)g | ((uint64_t)slot << 47); + } + lua_assert(p - page <= CALLBACK_MCODE_SIZE / 8); +} +#else static void callback_mcode_init(global_State *g, uint32_t *page) { uint32_t *p = page; void *target = (void *)lj_vm_ffi_callback; MSize slot; +#if LJ_ARCH_PPC_ELFV2 + // Needs to be in sync with lj_vm_ffi_callback. + lua_assert(CALLBACK_MCODE_SIZE == 4096); + for (slot = 0; slot < CALLBACK_MAX_SLOT; slot++) { + *p = PPCI_B | (((page+CALLBACK_MAX_SLOT-p) & 0x00ffffffu) << 2); + p++; + } + *p++ = PPCI_LI | PPCF_T(RID_SYS1) | ((((intptr_t)target) >> 32) & 0xffff); + *p++ = PPCI_LI | PPCF_T(RID_R11) | ((((intptr_t)g) >> 32) & 0xffff); + *p++ = PPCI_RLDICR | PPCF_T(RID_SYS1) | PPCF_A(RID_SYS1) | PPCF_SH(32) | PPCF_M6(63-32); /* sldi */ + *p++ = PPCI_RLDICR | PPCF_T(RID_R11) | PPCF_A(RID_R11) | PPCF_SH(32) | PPCF_M6(63-32); /* sldi */ + *p++ = PPCI_ORIS | PPCF_A(RID_SYS1) | PPCF_T(RID_SYS1) | ((((intptr_t)target) >> 16) & 0xffff); + *p++ = PPCI_ORIS | PPCF_A(RID_R11) | PPCF_T(RID_R11) | ((((intptr_t)g) >> 16) & 0xffff); + *p++ = PPCI_ORI | PPCF_A(RID_SYS1) | PPCF_T(RID_SYS1) | (((intptr_t)target) & 0xffff); + *p++ = PPCI_ORI | PPCF_A(RID_R11) | PPCF_T(RID_R11) | (((intptr_t)g) & 0xffff); + *p++ = PPCI_MTCTR | PPCF_T(RID_SYS1); + *p++ = PPCI_BCTR; +#else *p++ = PPCI_LIS | PPCF_T(RID_TMP) | (u32ptr(target) >> 16); - *p++ = PPCI_LIS | PPCF_T(RID_R12) | (u32ptr(g) >> 16); + *p++ = PPCI_LIS | PPCF_T(RID_R11) | (u32ptr(g) >> 16); *p++ = PPCI_ORI | PPCF_A(RID_TMP)|PPCF_T(RID_TMP) | (u32ptr(target) & 0xffff); - *p++ = PPCI_ORI | PPCF_A(RID_R12)|PPCF_T(RID_R12) | (u32ptr(g) & 0xffff); + *p++ = PPCI_ORI | PPCF_A(RID_R11)|PPCF_T(RID_R11) | (u32ptr(g) & 0xffff); *p++ = PPCI_MTCTR | PPCF_T(RID_TMP); *p++ = PPCI_BCTR; for (slot = 0; slot < CALLBACK_MAX_SLOT; slot++) { - *p++ = PPCI_LI | PPCF_T(RID_R11) | slot; + *p++ = PPCI_LI | PPCF_T(RID_R12) | slot; *p = PPCI_B | (((page-p) & 0x00ffffffu) << 2); p++; } - lua_assert(p - page <= CALLBACK_MCODE_SIZE); +#endif + lua_assert(p - page <= CALLBACK_MCODE_SIZE / 4); } +#endif #elif LJ_TARGET_MIPS static void callback_mcode_init(global_State *g, uint32_t *page) { @@ -641,6 +692,15 @@ static void callback_conv_result(CTState *cts, lua_State *L, TValue *o) *(int32_t *)dp = ctr->size == 1 ? (int32_t)*(int8_t *)dp : (int32_t)*(int16_t *)dp; } +#if LJ_TARGET_PPC && LJ_ARCH_BITS == 64 + if (ctr->size <= 4 && + (ctype_isinteger_or_bool(ctr->info) || ctype_isenum(ctr->info))) { + if (ctr->info & CTF_UNSIGNED) + *(uint64_t *)dp = (uint64_t)*(uint32_t *)dp; + else + *(int64_t *)dp = (int64_t)*(int32_t *)dp; + } +#endif #if LJ_TARGET_MIPS64 || (LJ_TARGET_ARM64 && LJ_BE) /* Always sign-extend results to 64 bits. Even a soft-fp 'float'. */ if (ctr->size <= 4 && diff --git a/src/lj_ctype.h b/src/lj_ctype.h index 0c220a8..105865b 100644 --- a/src/lj_ctype.h +++ b/src/lj_ctype.h @@ -153,7 +153,7 @@ typedef struct CType { /* Simplify target-specific configuration. Checked in lj_ccall.h. */ #define CCALL_MAX_GPR 8 -#define CCALL_MAX_FPR 8 +#define CCALL_MAX_FPR 14 typedef LJ_ALIGN(8) union FPRCBArg { double d; float f[2]; } FPRCBArg; diff --git a/src/lj_def.h b/src/lj_def.h index 2d8fff6..381d6f5 100644 --- a/src/lj_def.h +++ b/src/lj_def.h @@ -71,7 +71,11 @@ typedef unsigned int uintptr_t; #define LJ_MAX_IDXCHAIN 100 /* __index/__newindex chain limit. */ #define LJ_STACK_EXTRA (5+2*LJ_FR2) /* Extra stack space (metamethods). */ +#if defined(__powerpc64__) && _CALL_ELF != 2 +#define LJ_NUM_CBPAGE 4 /* Number of FFI callback pages. */ +#else #define LJ_NUM_CBPAGE 1 /* Number of FFI callback pages. */ +#endif /* Minimum table/buffer sizes. */ #define LJ_MIN_GLOBAL 6 /* Min. global table size (hbits). */ diff --git a/src/lj_frame.h b/src/lj_frame.h index 19c49a4..c666418 100644 --- a/src/lj_frame.h +++ b/src/lj_frame.h @@ -210,6 +210,15 @@ enum { LJ_CONT_TAILCALL, LJ_CONT_FFI_CALLBACK }; /* Special continuations. */ #define CFRAME_OFS_MULTRES 408 #define CFRAME_SIZE 384 #define CFRAME_SHIFT_MULTRES 3 +#elif LJ_ARCH_PPC_ELFV2 +#define CFRAME_OFS_ERRF 360 +#define CFRAME_OFS_NRES 356 +#define CFRAME_OFS_PREV 336 +#define CFRAME_OFS_L 352 +#define CFRAME_OFS_PC 348 +#define CFRAME_OFS_MULTRES 344 +#define CFRAME_SIZE 368 +#define CFRAME_SHIFT_MULTRES 3 #elif LJ_ARCH_PPC32ON64 #define CFRAME_OFS_ERRF 472 #define CFRAME_OFS_NRES 468 diff --git a/src/lj_target_ppc.h b/src/lj_target_ppc.h index c5c991a..f0c8c94 100644 --- a/src/lj_target_ppc.h +++ b/src/lj_target_ppc.h @@ -30,8 +30,13 @@ enum { /* Calling conventions. */ RID_RET = RID_R3, +#if LJ_LE + RID_RETHI = RID_R4, + RID_RETLO = RID_R3, +#else RID_RETHI = RID_R3, RID_RETLO = RID_R4, +#endif RID_FPRET = RID_F1, /* These definitions must match with the *.dasc file(s): */ @@ -131,6 +136,8 @@ static LJ_AINLINE uint32_t *exitstub_trace_addr_(uint32_t *p, uint32_t exitno) #define PPCF_C(r) ((r) << 6) #define PPCF_MB(n) ((n) << 6) #define PPCF_ME(n) ((n) << 1) +#define PPCF_SH(n) ((((n) & 31) << (11+1)) | (((n) & 32) >> (5-1))) +#define PPCF_M6(n) ((((n) & 31) << (5+1)) | (((n) & 32) << (11-5))) #define PPCF_Y 0x00200000 #define PPCF_DOT 0x00000001 @@ -200,6 +207,13 @@ typedef enum PPCIns { PPCI_RLWINM = 0x54000000, PPCI_RLWIMI = 0x50000000, + PPCI_RLDICL = 0x78000000, + PPCI_RLDICR = 0x78000004, + PPCI_RLDIC = 0x78000008, + PPCI_RLDIMI = 0x7800000c, + PPCI_RLDCL = 0x78000010, + PPCI_RLDCR = 0x78000012, + PPCI_B = 0x48000000, PPCI_BL = 0x48000001, PPCI_BC = 0x40800000, diff --git a/src/vm_ppc.dasc b/src/vm_ppc.dasc index b4260eb..abb381e 100644 --- a/src/vm_ppc.dasc +++ b/src/vm_ppc.dasc @@ -22,35 +22,40 @@ |// GPR64 64 bit registers (but possibly 32 bit pointers, e.g. PS3). |// Affects reg saves, stack layout, carry/overflow/dot flags etc. |// FRAME32 Use 32 bit frame layout, even with GPR64 (Xbox 360). -|// TOC Need table of contents (64 bit or 32 bit variant, e.g. PS3). +|// OPD Need function descriptors (64 bit or 32 bit variant, e.g. PS3). |// Function pointers are really a struct: code, TOC, env (optional). -|// TOCENV Function pointers have an environment pointer, too (not on PS3). +|// OPDENV Function pointers have an environment pointer, too (not on PS3). +|// ELFV2 The 64-bit ELF V2 ABI is in use. |// PPE Power Processor Element of Cell (PS3) or Xenon (Xbox 360). |// Must avoid (slow) micro-coded instructions. | |.if P64 -|.define TOC, 1 -|.define TOCENV, 1 |.macro lpx, a, b, c; ldx a, b, c; .endmacro |.macro lp, a, b; ld a, b; .endmacro |.macro stp, a, b; std a, b; .endmacro +|.macro stpx, a, b, c; stdx a, b, c; .endmacro |.define decode_OPP, decode_OP8 -|.if FFI -|// Missing: Calling conventions, 64 bit regs, TOC. -|.error lib_ffi not yet implemented for PPC64 -|.endif +|.define PSIZE, 8 |.else |.macro lpx, a, b, c; lwzx a, b, c; .endmacro |.macro lp, a, b; lwz a, b; .endmacro |.macro stp, a, b; stw a, b; .endmacro +|.macro stpx, a, b, c; stwx a, b, c; .endmacro |.define decode_OPP, decode_OP4 +|.define PSIZE, 4 |.endif | |// Convenience macros for TOC handling. -|.if TOC +|.if OPD or ELFV2 |// Linker needs a TOC patch area for every external call relocation. -|.macro blex, target; bl extern target@plt; nop; .endmacro +|.macro blex, target; bl extern target; nop; .endmacro |.macro .toc, a, b; a, b; .endmacro +|.else +|.macro blex, target; bl extern target@plt; .endmacro +|.macro .toc, a, b; .endmacro +|.endif +|.if OPD +|.macro .opd, a, b; a, b; .endmacro |.if P64 |.define TOC_OFS, 8 |.define ENV_OFS, 16 @@ -58,13 +63,13 @@ |.define TOC_OFS, 4 |.define ENV_OFS, 8 |.endif -|.else // No TOC. -|.macro blex, target; bl extern target@plt; .endmacro -|.macro .toc, a, b; .endmacro +|.else // No OPD. +|.macro .opd, a, b; .endmacro |.endif -|.macro .tocenv, a, b; .if TOCENV; a, b; .endif; .endmacro +|.macro .opdenv, a, b; .if OPDENV; a, b; .endif; .endmacro | |.macro .gpr64, a, b; .if GPR64; a, b; .endif; .endmacro +|.macro .elfv2, a, b; .if ELFV2; a, b; .endif; .endmacro | |.macro andix., y, a, i |.if PPE @@ -75,29 +80,6 @@ |.endif |.endmacro | -|.macro clrso, reg -|.if PPE -| li reg, 0 -| mtxer reg -|.else -| mcrxr cr0 -|.endif -|.endmacro -| -|.macro checkov, reg, noov -|.if PPE -| mfxer reg -| add reg, reg, reg -| cmpwi reg, 0 -| li reg, 0 -| mtxer reg -| bgey noov -|.else -| mcrxr cr0 -| bley noov -|.endif -|.endmacro -| |//----------------------------------------------------------------------- | |// Fixed register assignments for the interpreter. @@ -111,6 +93,7 @@ |.define LREG, r18 // Register holding lua_State (also in SAVE_L). |.define MULTRES, r19 // Size of multi-result: (nresults+1)*8. |.define JGL, r31 // On-trace: global_State + 32768. +|.define BASEP4, r25 // Equal to BASE + 4 | |// Constants for type-comparisons, stores and conversions. C callee-save. |.define TISNUM, r22 @@ -143,12 +126,19 @@ | |.define FARG1, f1 |.define FARG2, f2 +|.define FARG3, f3 +|.define FARG4, f4 +|.define FARG5, f5 +|.define FARG6, f6 +|.define FARG7, f7 +|.define FARG8, f8 | |.define CRET1, r3 |.define CRET2, r4 | |.define TOCREG, r2 // TOC register (only used by C code). |.define ENVREG, r11 // Environment pointer (nested C functions). +|.define FUNCREG, r12 // ELFv2 function pointer (overlaps RD) | |// Stack layout while in interpreter. Must match with lj_frame.h. |.if GPR64 @@ -182,6 +172,49 @@ |.define TMPD, TMPD_HI |.define TONUM_D, TONUM_HI | +|.elif ELFV2 +| +|// 392(sp) // \ 32 bit C frame info. +|.define SAVE_LR, 384(sp) +|.define SAVE_CR, 376(sp) // 64 bit CR save. +|.define CFRAME_SPACE, 368 // Delta for sp. +|// Back chain for sp: 368(sp) <-- sp entering interpreter +|.define SAVE_ERRF, 360(sp) // | +|.define SAVE_NRES, 356(sp) // | +|.define SAVE_L, 352(sp) // > Parameter save area. +|.define SAVE_PC, 348(sp) // | +|.define SAVE_MULTRES, 344(sp) // | +|.define SAVE_CFRAME, 336(sp) // / 64 bit C frame chain. +|.define SAVE_FPR_, 192 // .. 192+18*8: 64 bit FPR saves. +|.define SAVE_GPR_, 48 // .. 48+18*8: 64 bit GPR saves. +|.if ENDIAN_LE +|.define TMPD_HI, 44(sp) +|.define TMPD_LO, 40(sp) +|.define TONUM_HI, 36(sp) +|.define TONUM_LO, 32(sp) +|.else +|.define TMPD_LO, 44(sp) +|.define TMPD_HI, 40(sp) +|.define TONUM_LO, 36(sp) +|.define TONUM_HI, 32(sp) +|.endif +|.define SAVE_TOC, 24(sp) // TOC save area. +|// Next frame lr: 16(sp) +|// Next frame cr: 8(sp) +|// Back chain for sp: 0(sp) <-- sp while in interpreter +| +|.if ENDIAN_LE +|.define TMPD_BLO, 32(sp) +|.define TMPD, TMPD_LO +|.define TONUM_D, TONUM_LO +|.else +|.define TMPD_BLO, 39(sp) +|.define TMPD, TMPD_HI +|.define TONUM_D, TONUM_HI +|.endif +| +|.define EXIT_OFFSET, 32 +| |.else | |// 508(sp) // \ 32 bit C frame info. @@ -192,23 +225,39 @@ |.define SAVE_MULTRES, 456(sp) // | |.define SAVE_CFRAME, 448(sp) // / 64 bit C frame chain. |.define SAVE_LR, 416(sp) +|.define SAVE_CR, 408(sp) // 64 bit CR save. |.define CFRAME_SPACE, 400 // Delta for sp. |// Back chain for sp: 400(sp) <-- sp entering interpreter |.define SAVE_FPR_, 256 // .. 256+18*8: 64 bit FPR saves. |.define SAVE_GPR_, 112 // .. 112+18*8: 64 bit GPR saves. |// 48(sp) // Callee parameter save area (ABI mandated). |.define SAVE_TOC, 40(sp) // TOC save area. +|.if ENDIAN_LE +|.define TMPD_HI, 36(sp) // \ Link editor temp (ABI mandated). +|.define TMPD_LO, 32(sp) // / +|.define TONUM_HI, 28(sp) // \ Compiler temp (ABI mandated). +|.define TONUM_LO, 24(sp) // / +|.else |.define TMPD_LO, 36(sp) // \ Link editor temp (ABI mandated). |.define TMPD_HI, 32(sp) // / |.define TONUM_LO, 28(sp) // \ Compiler temp (ABI mandated). |.define TONUM_HI, 24(sp) // / +|.endif |// Next frame lr: 16(sp) -|.define SAVE_CR, 8(sp) // 64 bit CR save. +|// Next frame cr: 8(sp) |// Back chain for sp: 0(sp) <-- sp while in interpreter | +|.if ENDIAN_LE +|.define TMPD_BLO, 32(sp) +|.define TMPD, TMPD_LO +|.define TONUM_D, TONUM_LO +|.else |.define TMPD_BLO, 39(sp) |.define TMPD, TMPD_HI |.define TONUM_D, TONUM_HI +|.endif +| +|.define EXIT_OFFSET, 112 | |.endif |.else @@ -226,16 +275,31 @@ |.define SAVE_PC, 32(sp) |.define SAVE_MULTRES, 28(sp) |.define UNUSED1, 24(sp) +|.if ENDIAN_LE +|.define TMPD_HI, 20(sp) +|.define TMPD_LO, 16(sp) +|.define TONUM_HI, 12(sp) +|.define TONUM_LO, 8(sp) +|.else |.define TMPD_LO, 20(sp) |.define TMPD_HI, 16(sp) |.define TONUM_LO, 12(sp) |.define TONUM_HI, 8(sp) +|.endif |// Next frame lr: 4(sp) |// Back chain for sp: 0(sp) <-- sp while in interpreter | +|.if ENDIAN_LE +|.define TMPD_BLO, 16(sp) +|.define TMPD, TMPD_LO +|.define TONUM_D, TONUM_LO +|.else |.define TMPD_BLO, 23(sp) |.define TMPD, TMPD_HI |.define TONUM_D, TONUM_HI +|.endif +| +|.define EXIT_OFFSET, 16 | |.endif | @@ -350,8 +414,35 @@ |//----------------------------------------------------------------------- | |// Access to frame relative to BASE. +|.if ENDIAN_LE +|.define FRAME_PC, -4 +|.define FRAME_FUNC, -8 +|.define FRAME_CONTPC, -12 +|.define FRAME_CONTRET, -16 +|.define WORD_LO, 0 +|.define WORD_HI, 4 +|.define WORD_BLO, 0 +|.define BASE_LO, BASE +|.define BASE_HI, BASEP4 +|.macro lwzux2, hi, lo, base, idx +| lwzux lo, base, idx +| lwz hi, 4(base) +|.endmacro +|.else |.define FRAME_PC, -8 |.define FRAME_FUNC, -4 +|.define FRAME_CONTPC, -16 +|.define FRAME_CONTRET, -12 +|.define WORD_LO, 4 +|.define WORD_HI, 0 +|.define WORD_BLO, 7 +|.define BASE_LO, BASEP4 +|.define BASE_HI, BASE +|.macro lwzux2, hi, lo, base, idx +| lwzux hi, base, idx +| lwz lo, 4(base) +|.endmacro +|.endif | |// Instruction decode. |.macro decode_OP4, dst, ins; rlwinm dst, ins, 2, 22, 29; .endmacro @@ -412,6 +503,7 @@ |// Call decode and dispatch. |.macro ins_callt | // BASE = new base, RB = LFUNC/CFUNC, RC = nargs*8, FRAME_PC(BASE) = PC +| addi BASEP4, BASE, 4 | lwz PC, LFUNC:RB->pc | lwz INS, 0(PC) | addi PC, PC, 4 @@ -504,7 +596,12 @@ static void build_subroutines(BuildCtx *ctx) | lwz PC, FRAME_PC(TMP2) // Fetch PC of previous frame. | mr BASE, TMP2 // Restore caller base. | // Prepending may overwrite the pcall frame, so do it at the end. - | stwu TMP1, FRAME_PC(RA) // Prepend true to results. + | .if ENDIAN_LE + | addi RA, RA, -8 + | stw TMP1, WORD_HI(RA) // Prepend true to results. + | .else + | stwu TMP1, -8(RA) // Prepend true to results. + | .endif | |->vm_returnc: | addi RD, RD, 8 // RD = (nresults+1)*8. @@ -560,7 +657,7 @@ static void build_subroutines(BuildCtx *ctx) | lwz TMP1, L->maxstack | cmplw BASE, TMP1 | bge >8 - | stw TISNIL, 0(BASE) + | stw TISNIL, WORD_HI(BASE) | addi RD, RD, 8 | addi BASE, BASE, 8 | b <2 @@ -611,7 +708,12 @@ static void build_subroutines(BuildCtx *ctx) |->vm_unwind_ff_eh: // Landing pad for external unwinder. | lwz L, SAVE_L | .toc ld TOCREG, SAVE_TOC + |.if P64 + | lus TISNUM, LJ_TISNUM >> 16 // Setup type comparison constants. + | ori TISNUM, TISNUM, LJ_TISNUM & 0xffff + |.else | li TISNUM, LJ_TISNUM // Setup type comparison constants. + |.endif | lp BASE, L->base | lus TMP3, 0x59c0 // TOBIT = 2^52 + 2^51 (float). | lwz DISPATCH, L->glref // Setup pointer to dispatch table. @@ -626,7 +728,7 @@ static void build_subroutines(BuildCtx *ctx) | la RA, -8(BASE) // Results start at BASE-8. | stw TMP3, TMPD | addi DISPATCH, DISPATCH, GG_G2DISP - | stw TMP1, 0(RA) // Prepend false to error message. + | stw TMP1, WORD_HI(RA) // Prepend false to error message. | li RD, 16 // 2 results: false + error message. | st_vmstate | lfs TONUM, TMPD @@ -687,7 +789,12 @@ static void build_subroutines(BuildCtx *ctx) | stw L, DISPATCH_GL(cur_L)(DISPATCH) | mr RA, BASE | lp BASE, L->base + |.if P64 + | lus TISNUM, LJ_TISNUM >> 16 // Setup type comparison constants. + | ori TISNUM, TISNUM, LJ_TISNUM & 0xffff + |.else | li TISNUM, LJ_TISNUM // Setup type comparison constants. + |.endif | lp TMP1, L->top | lwz PC, FRAME_PC(BASE) | lus TMP3, 0x59c0 // TOBIT = 2^52 + 2^51 (float). @@ -737,7 +844,12 @@ static void build_subroutines(BuildCtx *ctx) |3: // Entry point for vm_cpcall/vm_resume (BASE = base, PC = ftype). | stw L, DISPATCH_GL(cur_L)(DISPATCH) | lp TMP2, L->base // TMP2 = old base (used in vmeta_call). + |.if P64 + | lus TISNUM, LJ_TISNUM >> 16 // Setup type comparison constants. + | ori TISNUM, TISNUM, LJ_TISNUM & 0xffff + |.else | li TISNUM, LJ_TISNUM // Setup type comparison constants. + |.endif | lp TMP1, L->top | lus TMP3, 0x59c0 // TOBIT = 2^52 + 2^51 (float). | add PC, PC, BASE @@ -757,8 +869,8 @@ static void build_subroutines(BuildCtx *ctx) | |->vm_call_dispatch: | // TMP2 = old base, BASE = new base, RC = nargs*8, PC = caller PC - | lwz TMP0, FRAME_PC(BASE) - | lwz LFUNC:RB, FRAME_FUNC(BASE) + | lwz TMP0, WORD_HI-8(BASE) + | lwz LFUNC:RB, WORD_LO-8(BASE) | checkfunc TMP0; bne ->vmeta_call | |->vm_call_dispatch_f: @@ -777,7 +889,9 @@ static void build_subroutines(BuildCtx *ctx) | sub TMP0, TMP0, TMP1 // Compute -savestack(L, L->top). | lp TMP1, L->cframe | addi DISPATCH, DISPATCH, GG_G2DISP - | .toc lp CARG4, 0(CARG4) + | .opd lp TOCREG, TOC_OFS(CARG4) + | .opdenv lp ENVREG, ENV_OFS(CARG4) + | .opd lp CARG4, 0(CARG4) | li TMP2, 0 | stw TMP0, SAVE_NRES // Neg. delta means cframe w/o frame. | stw TMP2, SAVE_ERRF // No error function. @@ -785,7 +899,9 @@ static void build_subroutines(BuildCtx *ctx) | stp sp, L->cframe // Add our C frame to cframe chain. | stw L, DISPATCH_GL(cur_L)(DISPATCH) | mtctr CARG4 + | .elfv2 mr FUNCREG, CARG4 | bctrl // (lua_State *L, lua_CFunction func, void *ud) + | .toc lp TOCREG, SAVE_TOC |.if PPE | mr BASE, CRET1 | cmpwi CRET1, 0 @@ -807,20 +923,27 @@ static void build_subroutines(BuildCtx *ctx) | |->cont_dispatch: | // BASE = meta base, RA = resultptr, RD = (nresults+1)*8 - | lwz TMP0, -12(BASE) // Continuation. + | lwz TMP0, FRAME_CONTRET(BASE) // Continuation. | mr RB, BASE | mr BASE, TMP2 // Restore caller BASE. | lwz LFUNC:TMP1, FRAME_FUNC(TMP2) |.if FFI | cmplwi TMP0, 1 |.endif - | lwz PC, -16(RB) // Restore PC from [cont|PC]. - | subi TMP2, RD, 8 + | lwz PC, FRAME_CONTPC(RB) // Restore PC from [cont|PC]. + | addi BASEP4, BASE, 4 + | addi TMP2, RD, WORD_HI-8 | lwz TMP1, LFUNC:TMP1->pc | stwx TISNIL, RA, TMP2 // Ensure one valid arg. + |.if P64 + | ld TMP3, 0(DISPATCH) + |.endif |.if FFI | ble >1 |.endif + |.if P64 + | add TMP0, TMP0, TMP3 + |.endif | lwz KBASE, PC2PROTO(k)(TMP1) | // BASE = base, RA = resultptr, RB = meta base | mtctr TMP0 @@ -856,20 +979,20 @@ static void build_subroutines(BuildCtx *ctx) | la CARG3, DISPATCH_GL(tmptv)(DISPATCH) | li TMP0, LJ_TSTR | decode_RB8 RB, INS - | stw STR:RC, 4(CARG3) + | stw STR:RC, WORD_LO(CARG3) | add CARG2, BASE, RB - | stw TMP0, 0(CARG3) + | stw TMP0, WORD_HI(CARG3) | b >1 | |->vmeta_tgets: | la CARG2, DISPATCH_GL(tmptv)(DISPATCH) | li TMP0, LJ_TTAB - | stw TAB:RB, 4(CARG2) + | stw TAB:RB, WORD_LO(CARG2) | la CARG3, DISPATCH_GL(tmptv2)(DISPATCH) - | stw TMP0, 0(CARG2) + | stw TMP0, WORD_HI(CARG2) | li TMP1, LJ_TSTR - | stw STR:RC, 4(CARG3) - | stw TMP1, 0(CARG3) + | stw STR:RC, WORD_LO(CARG3) + | stw TMP1, WORD_HI(CARG3) | b >1 | |->vmeta_tgetb: // TMP0 = index @@ -880,8 +1003,8 @@ static void build_subroutines(BuildCtx *ctx) | la CARG3, DISPATCH_GL(tmptv)(DISPATCH) | add CARG2, BASE, RB |.if DUALNUM - | stw TISNUM, 0(CARG3) - | stw TMP0, 4(CARG3) + | stw TISNUM, WORD_HI(CARG3) + | stw TMP0, WORD_LO(CARG3) |.else | stfd f0, 0(CARG3) |.endif @@ -909,7 +1032,7 @@ static void build_subroutines(BuildCtx *ctx) | // BASE = base, L->top = new base, stack = cont/func/t/k | subfic TMP1, BASE, FRAME_CONT | lp BASE, L->top - | stw PC, -16(BASE) // [cont|PC] + | stw PC, FRAME_CONTPC(BASE) // [cont|PC] | add PC, TMP1, BASE | lwz LFUNC:RB, FRAME_FUNC(BASE) // Guaranteed to be a function here. | li NARGS8:RC, 16 // 2 args for func(t, k). @@ -923,7 +1046,7 @@ static void build_subroutines(BuildCtx *ctx) | lfd f14, 0(CRET1) | b ->BC_TGETR_Z |1: - | stwx TISNIL, BASE, RA + | stwx TISNIL, BASE_HI, RA | b ->cont_nop | |//----------------------------------------------------------------------- @@ -932,20 +1055,20 @@ static void build_subroutines(BuildCtx *ctx) | la CARG3, DISPATCH_GL(tmptv)(DISPATCH) | li TMP0, LJ_TSTR | decode_RB8 RB, INS - | stw STR:RC, 4(CARG3) + | stw STR:RC, WORD_LO(CARG3) | add CARG2, BASE, RB - | stw TMP0, 0(CARG3) + | stw TMP0, WORD_HI(CARG3) | b >1 | |->vmeta_tsets: | la CARG2, DISPATCH_GL(tmptv)(DISPATCH) | li TMP0, LJ_TTAB - | stw TAB:RB, 4(CARG2) + | stw TAB:RB, WORD_LO(CARG2) | la CARG3, DISPATCH_GL(tmptv2)(DISPATCH) - | stw TMP0, 0(CARG2) + | stw TMP0, WORD_HI(CARG2) | li TMP1, LJ_TSTR - | stw STR:RC, 4(CARG3) - | stw TMP1, 0(CARG3) + | stw STR:RC, WORD_LO(CARG3) + | stw TMP1, WORD_HI(CARG3) | b >1 | |->vmeta_tsetb: // TMP0 = index @@ -956,8 +1079,8 @@ static void build_subroutines(BuildCtx *ctx) | la CARG3, DISPATCH_GL(tmptv)(DISPATCH) | add CARG2, BASE, RB |.if DUALNUM - | stw TISNUM, 0(CARG3) - | stw TMP0, 4(CARG3) + | stw TISNUM, WORD_HI(CARG3) + | stw TMP0, WORD_LO(CARG3) |.else | stfd f0, 0(CARG3) |.endif @@ -986,7 +1109,7 @@ static void build_subroutines(BuildCtx *ctx) | // BASE = base, L->top = new base, stack = cont/func/t/k/(v) | subfic TMP1, BASE, FRAME_CONT | lp BASE, L->top - | stw PC, -16(BASE) // [cont|PC] + | stw PC, FRAME_CONTPC(BASE) // [cont|PC] | add PC, TMP1, BASE | lwz LFUNC:RB, FRAME_FUNC(BASE) // Guaranteed to be a function here. | li NARGS8:RC, 24 // 3 args for func(t, k, v) @@ -1006,17 +1129,9 @@ static void build_subroutines(BuildCtx *ctx) |->vmeta_comp: | mr CARG1, L | subi PC, PC, 4 - |.if DUALNUM - | mr CARG2, RA - |.else | add CARG2, BASE, RA - |.endif | stw PC, SAVE_PC - |.if DUALNUM - | mr CARG3, RD - |.else | add CARG3, BASE, RD - |.endif | stp BASE, L->base | decode_OP1 CARG4, INS | bl extern lj_meta_comp // (lua_State *L, TValue *o1, *o2, int op) @@ -1043,7 +1158,7 @@ static void build_subroutines(BuildCtx *ctx) | b ->cont_nop | |->cont_condt: // RA = resultptr - | lwz TMP0, 0(RA) + | lwz TMP0, WORD_HI(RA) | .gpr64 extsw TMP0, TMP0 | subfic TMP0, TMP0, LJ_TTRUE // Branch if result is true. | subfe CRET1, CRET1, CRET1 @@ -1051,7 +1166,7 @@ static void build_subroutines(BuildCtx *ctx) | b <4 | |->cont_condf: // RA = resultptr - | lwz TMP0, 0(RA) + | lwz TMP0, WORD_HI(RA) | .gpr64 extsw TMP0, TMP0 | subfic TMP0, TMP0, LJ_TTRUE // Branch if result is false. | subfe CRET1, CRET1, CRET1 @@ -1103,8 +1218,8 @@ static void build_subroutines(BuildCtx *ctx) |.endif | |->vmeta_unm: - | mr CARG3, RD - | mr CARG4, RD + | add CARG3, BASE, RD + | add CARG4, BASE, RD | b >1 | |->vmeta_arith_vn: @@ -1139,7 +1254,7 @@ static void build_subroutines(BuildCtx *ctx) |->vmeta_binop: | // BASE = old base, CRET1 = new base, stack = cont/func/o1/o2 | sub TMP1, CRET1, BASE - | stw PC, -16(CRET1) // [cont|PC] + | stw PC, FRAME_CONTPC(CRET1) // [cont|PC] | mr TMP2, BASE | addi PC, TMP1, FRAME_CONT | mr BASE, CRET1 @@ -1150,7 +1265,7 @@ static void build_subroutines(BuildCtx *ctx) #if LJ_52 | mr SAVE0, CARG1 #endif - | mr CARG2, RD + | add CARG2, BASE, RD | stp BASE, L->base | mr CARG1, L | stw PC, SAVE_PC @@ -1227,25 +1342,25 @@ static void build_subroutines(BuildCtx *ctx) |.macro .ffunc_1, name |->ff_ .. name: | cmplwi NARGS8:RC, 8 - | lwz CARG3, 0(BASE) - | lwz CARG1, 4(BASE) + | lwz CARG3, WORD_HI(BASE) + | lwz CARG1, WORD_LO(BASE) | blt ->fff_fallback |.endmacro | |.macro .ffunc_2, name |->ff_ .. name: | cmplwi NARGS8:RC, 16 - | lwz CARG3, 0(BASE) - | lwz CARG4, 8(BASE) - | lwz CARG1, 4(BASE) - | lwz CARG2, 12(BASE) + | lwz CARG3, WORD_HI(BASE) + | lwz CARG4, WORD_HI+8(BASE) + | lwz CARG1, WORD_LO(BASE) + | lwz CARG2, WORD_LO+8(BASE) | blt ->fff_fallback |.endmacro | |.macro .ffunc_n, name |->ff_ .. name: | cmplwi NARGS8:RC, 8 - | lwz CARG3, 0(BASE) + | lwz CARG3, WORD_HI(BASE) | lfd FARG1, 0(BASE) | blt ->fff_fallback | checknum CARG3; bge ->fff_fallback @@ -1254,9 +1369,9 @@ static void build_subroutines(BuildCtx *ctx) |.macro .ffunc_nn, name |->ff_ .. name: | cmplwi NARGS8:RC, 16 - | lwz CARG3, 0(BASE) + | lwz CARG3, WORD_HI(BASE) | lfd FARG1, 0(BASE) - | lwz CARG4, 8(BASE) + | lwz CARG4, WORD_HI+8(BASE) | lfd FARG2, 8(BASE) | blt ->fff_fallback | checknum CARG3; bge ->fff_fallback @@ -1279,9 +1394,9 @@ static void build_subroutines(BuildCtx *ctx) | cmplw cr1, CARG3, TMP1 | lwz PC, FRAME_PC(BASE) | bge cr1, ->fff_fallback - | stw CARG3, 0(RA) + | stw CARG3, WORD_HI(RA) | addi RD, NARGS8:RC, 8 // Compute (nresults+1)*8. - | stw CARG1, 4(RA) + | stw CARG1, WORD_LO(RA) | beq ->fff_res // Done if exactly 1 argument. | li TMP1, 8 | subi RC, RC, 8 @@ -1295,17 +1410,36 @@ static void build_subroutines(BuildCtx *ctx) | |.ffunc type | cmplwi NARGS8:RC, 8 - | lwz CARG1, 0(BASE) + | lwz CARG1, WORD_HI(BASE) | blt ->fff_fallback | .gpr64 extsw CARG1, CARG1 + |.if P64 + | li TMP0, LJ_TNUMX + | srawi TMP3, CARG1, 15 + | subfc TMP1, TMP0, CARG1 + |.else | subfc TMP0, TISNUM, CARG1 - | subfe TMP2, CARG1, CARG1 + |.endif + | subfe TMP2, CARG1, CARG1 + |.if P64 + | cmpwi TMP3, -2 + | orc TMP1, TMP2, TMP1 + | subf TMP1, TMP0, TMP1 + | beq >1 + |.else | orc TMP1, TMP2, TMP0 - | addi TMP1, TMP1, ~LJ_TISNUM+1 + | subf TMP1, TISNUM, TMP1 + |.endif | slwi TMP1, TMP1, 3 + |2: | la TMP2, CFUNC:RB->upvalue | lfdx FARG1, TMP2, TMP1 | b ->fff_resn + |.if P64 + |1: + | li TMP1, ~LJ_TLIGHTUD<<3 + | b <2 + |.endif | |//-- Base library: getters and setters --------------------------------- | @@ -1328,10 +1462,10 @@ static void build_subroutines(BuildCtx *ctx) | sub TMP1, TMP0, TMP1 | add NODE:TMP2, NODE:TMP2, TMP1 // node = tab->node + (idx*32-idx*8) |3: // Rearranged logic, because we expect _not_ to find the key. - | lwz CARG4, NODE:TMP2->key - | lwz TMP0, 4+offsetof(Node, key)(NODE:TMP2) - | lwz CARG2, NODE:TMP2->val - | lwz TMP1, 4+offsetof(Node, val)(NODE:TMP2) + | lwz CARG4, WORD_HI+offsetof(Node, key)(NODE:TMP2) + | lwz TMP0, WORD_LO+offsetof(Node, key)(NODE:TMP2) + | lwz CARG2, WORD_HI+offsetof(Node, val)(NODE:TMP2) + | lwz TMP1, WORD_LO+offsetof(Node, val)(NODE:TMP2) | checkstr CARG4; bne >4 | cmpw TMP0, STR:RC; beq >5 |4: @@ -1349,14 +1483,33 @@ static void build_subroutines(BuildCtx *ctx) |6: | cmpwi CARG3, LJ_TUDATA; beq <1 | .gpr64 extsw CARG3, CARG3 + |.if P64 + | li TMP0, LJ_TNUMX + | srawi TMP3, CARG3, 15 + | subfc TMP1, TMP0, CARG3 + |.else | subfc TMP0, TISNUM, CARG3 + |.endif | subfe TMP2, CARG3, CARG3 + |.if P64 + | cmpwi TMP3, -2 + | orc TMP1, TMP2, TMP1 + | subf TMP1, TMP0, TMP1 + | beq >7 + |.else | orc TMP1, TMP2, TMP0 - | addi TMP1, TMP1, ~LJ_TISNUM+1 + | subf TMP1, TISNUM, TMP1 + |.endif | slwi TMP1, TMP1, 2 + |8: | la TMP2, DISPATCH_GL(gcroot[GCROOT_BASEMT])(DISPATCH) | lwzx TAB:CARG1, TMP2, TMP1 | b <2 + |.if P64 + |7: + | li TMP1, ~LJ_TLIGHTUD<<2 + | b <8 + |.endif | |.ffunc_2 setmetatable | // Fast path: no mt for table yet and not clearing the mt. @@ -1374,8 +1527,8 @@ static void build_subroutines(BuildCtx *ctx) | |.ffunc rawget | cmplwi NARGS8:RC, 16 - | lwz CARG4, 0(BASE) - | lwz TAB:CARG2, 4(BASE) + | lwz CARG4, WORD_HI(BASE) + | lwz TAB:CARG2, WORD_LO(BASE) | blt ->fff_fallback | checktab CARG4; bne ->fff_fallback | la CARG3, 8(BASE) @@ -1390,7 +1543,7 @@ static void build_subroutines(BuildCtx *ctx) |.ffunc tonumber | // Only handles the number case inline (without a base argument). | cmplwi NARGS8:RC, 8 - | lwz CARG1, 0(BASE) + | lwz CARG1, WORD_HI(BASE) | lfd FARG1, 0(BASE) | bne ->fff_fallback // Exactly one argument. | checknum CARG1; bgt ->fff_fallback @@ -1425,10 +1578,15 @@ static void build_subroutines(BuildCtx *ctx) | |.ffunc next | cmplwi NARGS8:RC, 8 - | lwz CARG1, 0(BASE) - | lwz TAB:CARG2, 4(BASE) + | lwz CARG1, WORD_HI(BASE) + | lwz TAB:CARG2, WORD_LO(BASE) | blt ->fff_fallback + |.if ENDIAN_LE + | add TMP1, BASE, NARGS8:RC + | stw TISNIL, WORD_HI(TMP1) // Set missing 2nd arg to nil. + |.else | stwx TISNIL, BASE, NARGS8:RC // Set missing 2nd arg to nil. + |.endif | checktab CARG1 | lwz PC, FRAME_PC(BASE) | bne ->fff_fallback @@ -1464,18 +1622,18 @@ static void build_subroutines(BuildCtx *ctx) | lfd f0, CFUNC:RB->upvalue[0] | la RA, -8(BASE) #endif - | stw TISNIL, 8(BASE) + | stw TISNIL, 8+WORD_HI(BASE) | li RD, (3+1)*8 | stfd f0, 0(RA) | b ->fff_res | |.ffunc ipairs_aux | cmplwi NARGS8:RC, 16 - | lwz CARG3, 0(BASE) - | lwz TAB:CARG1, 4(BASE) - | lwz CARG4, 8(BASE) + | lwz CARG3, WORD_HI(BASE) + | lwz TAB:CARG1, WORD_LO(BASE) + | lwz CARG4, 8+WORD_HI(BASE) |.if DUALNUM - | lwz TMP2, 12(BASE) + | lwz TMP2, 8+WORD_LO(BASE) |.else | lfd FARG2, 8(BASE) |.endif @@ -1504,16 +1662,16 @@ static void build_subroutines(BuildCtx *ctx) | la RA, -8(BASE) | cmplw TMP0, TMP2 |.if DUALNUM - | stw TISNUM, 0(RA) + | stw TISNUM, WORD_HI(RA) | slwi TMP3, TMP2, 3 - | stw TMP2, 4(RA) + | stw TMP2, WORD_LO(RA) |.else | slwi TMP3, TMP2, 3 | stfd FARG2, 0(RA) |.endif | ble >2 // Not in array part? - | lwzx TMP2, TMP1, TMP3 - | lfdx f0, TMP1, TMP3 + | lfdux f0, TMP1, TMP3 + | lwz TMP2, WORD_HI(TMP1) |1: | checknil TMP2 | li RD, (0+1)*8 @@ -1532,7 +1690,7 @@ static void build_subroutines(BuildCtx *ctx) | cmplwi CRET1, 0 | li RD, (0+1)*8 | beq ->fff_res - | lwz TMP2, 0(CRET1) + | lwz TMP2, WORD_HI(CRET1) | lfd f0, 0(CRET1) | b <1 | @@ -1551,11 +1709,11 @@ static void build_subroutines(BuildCtx *ctx) | la RA, -8(BASE) #endif |.if DUALNUM - | stw TISNUM, 8(BASE) + | stw TISNUM, 8+WORD_HI(BASE) |.else - | stw ZERO, 8(BASE) + | stw ZERO, 8+WORD_HI(BASE) |.endif - | stw ZERO, 12(BASE) + | stw ZERO, 8+WORD_LO(BASE) | li RD, (3+1)*8 | stfd f0, 0(RA) | b ->fff_res @@ -1576,7 +1734,7 @@ static void build_subroutines(BuildCtx *ctx) | |.ffunc xpcall | cmplwi NARGS8:RC, 16 - | lwz CARG4, 8(BASE) + | lwz CARG4, 8+WORD_HI(BASE) | lfd FARG2, 8(BASE) | lfd FARG1, 0(BASE) | blt ->fff_fallback @@ -1673,7 +1831,7 @@ static void build_subroutines(BuildCtx *ctx) |.if resume | li TMP1, LJ_TTRUE | la RA, -8(BASE) - | stw TMP1, -8(BASE) // Prepend true to results. + | stw TMP1, WORD_HI-8(BASE) // Prepend true to results. | addi RD, RD, 16 |.else | mr RA, BASE @@ -1693,7 +1851,7 @@ static void build_subroutines(BuildCtx *ctx) | lfd f0, 0(TMP3) | stp TMP3, L:SAVE0->top // Remove error from coroutine stack. | li RD, (2+1)*8 - | stw TMP1, -8(BASE) // Prepend false to results. + | stw TMP1, WORD_HI-8(BASE) // Prepend false to results. | la RA, -8(BASE) | stfd f0, 0(BASE) // Copy error message. | b <7 @@ -1746,8 +1904,8 @@ static void build_subroutines(BuildCtx *ctx) |->fff_resi: | lwz PC, FRAME_PC(BASE) | la RA, -8(BASE) - | stw TISNUM, -8(BASE) - | stw CRET1, -4(BASE) + | stw TISNUM, WORD_HI-8(BASE) + | stw CRET1, WORD_LO-8(BASE) | b ->fff_res1 |1: | lus CARG3, 0x41e0 // 2^31. @@ -1762,9 +1920,9 @@ static void build_subroutines(BuildCtx *ctx) |->fff_restv: | // CARG3/CARG1 = TValue result. | lwz PC, FRAME_PC(BASE) - | stw CARG3, -8(BASE) + | stw CARG3, WORD_HI-8(BASE) | la RA, -8(BASE) - | stw CARG1, -4(BASE) + | stw CARG1, WORD_LO-8(BASE) |->fff_res1: | // RA = results, PC = return. | li RD, (1+1)*8 @@ -1782,10 +1940,11 @@ static void build_subroutines(BuildCtx *ctx) | ins_next1 | // Adjust BASE. KBASE is assumed to be set for the calling frame. | sub BASE, RA, TMP0 + | addi BASEP4, BASE, 4 | ins_next2 | |6: // Fill up results with nil. - | subi TMP1, RD, 8 + | addi TMP1, RD, WORD_HI-8 | addi RD, RD, 8 | stwx TISNIL, RA, TMP1 | b <5 @@ -1898,7 +2057,7 @@ static void build_subroutines(BuildCtx *ctx) | |.ffunc math_log | cmplwi NARGS8:RC, 8 - | lwz CARG3, 0(BASE) + | lwz CARG3, WORD_HI(BASE) | lfd FARG1, 0(BASE) | bne ->fff_fallback // Need exactly 1 argument. | checknum CARG3; bge ->fff_fallback @@ -1923,13 +2082,13 @@ static void build_subroutines(BuildCtx *ctx) |.if DUALNUM |.ffunc math_ldexp | cmplwi NARGS8:RC, 16 - | lwz CARG3, 0(BASE) + | lwz CARG3, WORD_HI(BASE) | lfd FARG1, 0(BASE) - | lwz CARG4, 8(BASE) + | lwz CARG4, WORD_HI+8(BASE) |.if GPR64 - | lwz CARG2, 12(BASE) + | lwz CARG2, WORD_LO+8(BASE) |.else - | lwz CARG1, 12(BASE) + | lwz CARG1, WORD_LO+8(BASE) |.endif | blt ->fff_fallback | checknum CARG3; bge ->fff_fallback @@ -1961,8 +2120,8 @@ static void build_subroutines(BuildCtx *ctx) | stfd FARG1, 0(RA) | li RD, (2+1)*8 |.if DUALNUM - | stw TISNUM, 8(RA) - | stw TMP1, 12(RA) + | stw TISNUM, WORD_HI+8(RA) + | stw TMP1, WORD_LO+8(RA) |.else | stfd FARG2, 8(RA) |.endif @@ -1989,9 +2148,9 @@ static void build_subroutines(BuildCtx *ctx) | add TMP2, BASE, NARGS8:RC | bne >4 |1: // Handle integers. - | lwz CARG4, 0(TMP1) + | lwz CARG4, WORD_HI(TMP1) | cmplw cr1, TMP1, TMP2 - | lwz CARG2, 4(TMP1) + | lwz CARG2, WORD_LO(TMP1) | bge cr1, ->fff_resi | checknum CARG4 | xoris TMP0, CARG1, 0x8000 @@ -2020,7 +2179,7 @@ static void build_subroutines(BuildCtx *ctx) | lfd FARG1, 0(BASE) | bge ->fff_fallback |5: // Handle numbers. - | lwz CARG4, 0(TMP1) + | lwz CARG4, WORD_HI(TMP1) | cmplw cr1, TMP1, TMP2 | lfd FARG2, 0(TMP1) | bge cr1, ->fff_resn @@ -2035,7 +2194,7 @@ static void build_subroutines(BuildCtx *ctx) |.endif | b <5 |7: // Convert integer to number and continue above. - | lwz CARG2, 4(TMP1) + | lwz CARG2, WORD_LO(TMP1) | bne ->fff_fallback | tonum_i FARG2, CARG2 | b <6 @@ -2043,7 +2202,12 @@ static void build_subroutines(BuildCtx *ctx) | .ffunc_n name | li TMP1, 8 |1: + |.if ENDIAN_LE + | add CARG2, BASE, TMP1 + | lwz CARG2, WORD_HI(CARG2) + |.else | lwzx CARG2, BASE, TMP1 + |.endif | lfdx FARG2, BASE, TMP1 | cmplw cr1, TMP1, NARGS8:RC | checknum CARG2 @@ -2067,8 +2231,8 @@ static void build_subroutines(BuildCtx *ctx) | |.ffunc string_byte // Only handle the 1-arg case here. | cmplwi NARGS8:RC, 8 - | lwz CARG3, 0(BASE) - | lwz STR:CARG1, 4(BASE) + | lwz CARG3, WORD_HI(BASE) + | lwz STR:CARG1, WORD_LO(BASE) | bne ->fff_fallback // Need exactly 1 argument. | checkstr CARG3 | bne ->fff_fallback @@ -2099,12 +2263,12 @@ static void build_subroutines(BuildCtx *ctx) |.ffunc string_char // Only handle the 1-arg case here. | ffgccheck | cmplwi NARGS8:RC, 8 - | lwz CARG3, 0(BASE) + | lwz CARG3, WORD_HI(BASE) |.if DUALNUM - | lwz TMP0, 4(BASE) + | lwz TMP0, WORD_LO(BASE) | bne ->fff_fallback // Exactly 1 argument. | checknum CARG3; bne ->fff_fallback - | la CARG2, 7(BASE) + | la CARG2, WORD_BLO(BASE) |.else | lfd FARG1, 0(BASE) | bne ->fff_fallback // Exactly 1 argument. @@ -2128,16 +2292,16 @@ static void build_subroutines(BuildCtx *ctx) |.ffunc string_sub | ffgccheck | cmplwi NARGS8:RC, 16 - | lwz CARG3, 16(BASE) + | lwz CARG3, WORD_HI+16(BASE) |.if not DUALNUM | lfd f0, 16(BASE) |.endif - | lwz TMP0, 0(BASE) - | lwz STR:CARG1, 4(BASE) + | lwz TMP0, WORD_HI(BASE) + | lwz STR:CARG1, WORD_LO(BASE) | blt ->fff_fallback - | lwz CARG2, 8(BASE) + | lwz CARG2, WORD_HI+8(BASE) |.if DUALNUM - | lwz TMP1, 12(BASE) + | lwz TMP1, WORD_LO+8(BASE) |.else | lfd f1, 8(BASE) |.endif @@ -2145,7 +2309,7 @@ static void build_subroutines(BuildCtx *ctx) | beq >1 |.if DUALNUM | checknum CARG3 - | lwz TMP2, 20(BASE) + | lwz TMP2, WORD_LO+16(BASE) | bne ->fff_fallback |1: | checknum CARG2; bne ->fff_fallback @@ -2201,8 +2365,8 @@ static void build_subroutines(BuildCtx *ctx) | .ffunc string_ .. name | ffgccheck | cmplwi NARGS8:RC, 8 - | lwz CARG3, 0(BASE) - | lwz STR:CARG2, 4(BASE) + | lwz CARG3, WORD_HI(BASE) + | lwz STR:CARG2, WORD_LO(BASE) | blt ->fff_fallback | checkstr CARG3 | la SBUF:CARG1, DISPATCH_GL(tmpbuf)(DISPATCH) @@ -2240,10 +2404,10 @@ static void build_subroutines(BuildCtx *ctx) | addi TMP1, BASE, 8 | add TMP2, BASE, NARGS8:RC |1: - | lwz CARG4, 0(TMP1) + | lwz CARG4, WORD_HI(TMP1) | cmplw cr1, TMP1, TMP2 |.if DUALNUM - | lwz CARG2, 4(TMP1) + | lwz CARG2, WORD_LO(TMP1) |.else | lfd FARG1, 0(TMP1) |.endif @@ -2344,20 +2508,23 @@ static void build_subroutines(BuildCtx *ctx) | |->fff_fallback: // Call fast function fallback handler. | // BASE = new base, RB = CFUNC, RC = nargs*8 - | lp TMP3, CFUNC:RB->f + | lp FUNCREG, CFUNC:RB->f | add TMP1, BASE, NARGS8:RC | lwz PC, FRAME_PC(BASE) // Fallback may overwrite PC. | addi TMP0, TMP1, 8*LUA_MINSTACK | lwz TMP2, L->maxstack | stw PC, SAVE_PC // Redundant (but a defined value). - | .toc lp TMP3, 0(TMP3) + | .opd lp TOCREG, TOC_OFS(FUNCREG) + | .opdenv lp ENVREG, ENV_OFS(FUNCREG) + | .opd lp FUNCREG, 0(FUNCREG) | cmplw TMP0, TMP2 | stp BASE, L->base | stp TMP1, L->top | mr CARG1, L | bgt >5 // Need to grow stack. - | mtctr TMP3 + | mtctr FUNCREG | bctrl // (lua_State *L) + | .toc lp TOCREG, SAVE_TOC | // Either throws an error, or recovers and returns -1, 0 or nresults+1. | lp BASE, L->base | cmpwi CRET1, 0 @@ -2459,6 +2626,7 @@ static void build_subroutines(BuildCtx *ctx) |3: | lp BASE, L->base |4: // Re-dispatch to static ins. + | addi BASEP4, BASE, 4 | lwz INS, -4(PC) | decode_OPP TMP1, INS | decode_RB8 RB, INS @@ -2472,7 +2640,7 @@ static void build_subroutines(BuildCtx *ctx) | |->cont_hook: // Continue from hook yield. | addi PC, PC, 4 - | lwz MULTRES, -20(RB) // Restore MULTRES for *M ins. + | lwz MULTRES, WORD_LO-24(RB) // Restore MULTRES for *M ins. | b <4 | |->vm_hotloop: // Hot loop counter underflow. @@ -2514,6 +2682,7 @@ static void build_subroutines(BuildCtx *ctx) | lp BASE, L->base | lp TMP0, L->top | stw ZERO, SAVE_PC // Invalidate for subsequent line hook. + | addi BASEP4, BASE, 4 | sub NARGS8:RC, TMP0, BASE | add RA, BASE, RA | lwz LFUNC:RB, FRAME_FUNC(BASE) @@ -2525,7 +2694,7 @@ static void build_subroutines(BuildCtx *ctx) |.if JIT | // RA = resultptr, RB = meta base | lwz INS, -4(PC) - | lwz TRACE:TMP2, -20(RB) // Save previous trace. + | lwz TRACE:TMP2, WORD_LO-24(RB) // Save previous trace. | addic. TMP1, MULTRES, -8 | decode_RA8 RC, INS // Call base. | beq >2 @@ -2560,10 +2729,16 @@ static void build_subroutines(BuildCtx *ctx) | mr CARG2, PC | bl extern lj_dispatch_stitch // (jit_State *J, const BCIns *pc) | lp BASE, L->base + | addi BASEP4, BASE, 4 | b ->cont_nop | |9: + |.if ENDIAN_LE + | addi BASEP4, BASE, 4 + | stwx TISNIL, BASEP4, RC + |.else | stwx TISNIL, BASE, RC + |.endif | addi RC, RC, 8 | b <3 |.endif @@ -2578,6 +2753,7 @@ static void build_subroutines(BuildCtx *ctx) | // HOOK_PROFILE is off again, so re-dispatch to dynamic instruction. | lp BASE, L->base | subi PC, PC, 4 + | addi BASEP4, BASE, 4 | b ->cont_nop #endif | @@ -2586,39 +2762,72 @@ static void build_subroutines(BuildCtx *ctx) |//----------------------------------------------------------------------- | |.macro savex_, a, b, c, d - | stfd f..a, 16+a*8(sp) - | stfd f..b, 16+b*8(sp) - | stfd f..c, 16+c*8(sp) - | stfd f..d, 16+d*8(sp) + | stfd f..a, EXIT_OFFSET+a*8(sp) + | stfd f..b, EXIT_OFFSET+b*8(sp) + | stfd f..c, EXIT_OFFSET+c*8(sp) + | stfd f..d, EXIT_OFFSET+d*8(sp) + |.endmacro + | + |.macro saver, a + | stp r..a, EXIT_OFFSET+32*8+a*PSIZE(sp) |.endmacro | |->vm_exit_handler: |.if JIT - | addi sp, sp, -(16+32*8+32*4) - | stmw r2, 16+32*8+2*4(sp) + | addi sp, TMP0, sp, -(EXIT_OFFSET+32*8+32*PSIZE) + | saver 3 // CARG1 + | saver 4 // CARG2 + | saver 5 // CARG3 + | saver 17 // DISPATCH | addi DISPATCH, JGL, -GG_DISP2G-32768 | li CARG2, ~LJ_VMST_EXIT - | lwz CARG1, 16+32*8+32*4(sp) // Get stack chain. + | lp CARG1, EXIT_OFFSET+32*8+32*PSIZE(sp) // Get stack chain. | stw CARG2, DISPATCH_GL(vmstate)(DISPATCH) + | saver 2 + | saver 6 + | saver 7 + | saver 8 + | saver 9 + | saver 10 + | saver 11 + | saver 12 + | saver 13 | savex_ 0,1,2,3 - | stw CARG1, 0(sp) // Store extended stack chain. - | clrso TMP1 + | stp CARG1, 0(sp) // Store extended stack chain. + | savex_ 4,5,6,7 - | addi CARG2, sp, 16+32*8+32*4 // Recompute original value of sp. + | saver 14 + | saver 15 + | saver 16 + | saver 18 + | addi CARG2, sp, EXIT_OFFSET+32*8+32*PSIZE // Recompute original value of sp. | savex_ 8,9,10,11 - | stw CARG2, 16+32*8+1*4(sp) // Store sp in RID_SP. + | stp CARG2, EXIT_OFFSET+32*8+1*PSIZE(sp) // Store sp in RID_SP. | savex_ 12,13,14,15 | mflr CARG3 | li TMP1, 0 | savex_ 16,17,18,19 - | stw TMP1, 16+32*8+0*4(sp) // Clear RID_TMP. + | stw TMP1, EXIT_OFFSET+32*8+0*PSIZE(sp) // Clear RID_TMP. | savex_ 20,21,22,23 | lhz CARG4, 2(CARG3) // Load trace number. | savex_ 24,25,26,27 | lwz L, DISPATCH_GL(cur_L)(DISPATCH) | savex_ 28,29,30,31 + | saver 19 + | saver 20 + | saver 21 + | saver 22 + | saver 23 + | saver 24 + | saver 25 + | saver 26 + | saver 27 + | saver 28 + | saver 29 + | saver 30 + | saver 31 | sub CARG3, TMP0, CARG3 // Compute exit number. - | lp BASE, DISPATCH_GL(jit_base)(DISPATCH) + | lwz BASE, DISPATCH_GL(jit_base)(DISPATCH) | srwi CARG3, CARG3, 2 | stp L, DISPATCH_J(L)(DISPATCH) | subi CARG3, CARG3, 2 @@ -2627,11 +2836,11 @@ static void build_subroutines(BuildCtx *ctx) | stw TMP1, DISPATCH_GL(jit_base)(DISPATCH) | addi CARG1, DISPATCH, GG_DISP2J | stw CARG3, DISPATCH_J(exitno)(DISPATCH) - | addi CARG2, sp, 16 + | addi CARG2, sp, EXIT_OFFSET | bl extern lj_trace_exit // (jit_State *J, ExitState *ex) | // Returns MULTRES (unscaled) or negated error code. | lp TMP1, L->cframe - | lwz TMP2, 0(sp) + | lp TMP2, 0(sp) | lp BASE, L->base |.if GPR64 | rldicr sp, TMP1, 0, 61 @@ -2639,7 +2848,7 @@ static void build_subroutines(BuildCtx *ctx) | rlwinm sp, TMP1, 0, 0, 29 |.endif | lwz PC, SAVE_PC // Get SAVE_PC. - | stw TMP2, 0(sp) + | stp TMP2, 0(sp) | stw L, SAVE_L // Set SAVE_L (on-trace resume/yield). | b >1 |.endif @@ -2660,7 +2869,12 @@ static void build_subroutines(BuildCtx *ctx) | stw TMP2, DISPATCH_GL(jit_base)(DISPATCH) | lwz KBASE, PC2PROTO(k)(TMP1) | // Setup type comparison constants. + |.if P64 + | lus TISNUM, LJ_TISNUM >> 16 + | ori TISNUM, TISNUM, LJ_TISNUM & 0xffff + |.else | li TISNUM, LJ_TISNUM + |.endif | lus TMP3, 0x59c0 // TOBIT = 2^52 + 2^51 (float). | stw TMP3, TMPD | li ZERO, 0 @@ -2680,14 +2894,14 @@ static void build_subroutines(BuildCtx *ctx) | decode_RA8 RA, INS | lpx TMP0, DISPATCH, TMP1 | mtctr TMP0 - | cmplwi TMP1, BC_FUNCF*4 // Function header? + | cmplwi TMP1, BC_FUNCF*PSIZE // Function header? | bge >2 | decode_RB8 RB, INS | decode_RD8 RD, INS | decode_RC8 RC, INS | bctr |2: - | cmplwi TMP1, (BC_FUNCC+2)*4 // Fast function? + | cmplwi TMP1, (BC_FUNCC+2)*PSIZE // Fast function? | blt >3 | // Check frame below fast function. | lwz TMP1, FRAME_PC(BASE) @@ -2697,7 +2911,7 @@ static void build_subroutines(BuildCtx *ctx) | lwz TMP2, -4(TMP1) | decode_RA8 TMP0, TMP2 | sub TMP1, BASE, TMP0 - | lwz LFUNC:TMP2, -12(TMP1) + | lwz LFUNC:TMP2, WORD_LO-16(TMP1) | lwz TMP1, LFUNC:TMP2->pc | lwz KBASE, PC2PROTO(k)(TMP1) |3: @@ -2718,6 +2932,8 @@ static void build_subroutines(BuildCtx *ctx) |// NYI: Use internal implementations of floor, ceil, trunc. | |->vm_modi: + | li TMP1, 0 + | mtxer TMP1 | divwo. TMP0, CARG1, CARG2 | bso >1 |.if GPR64 @@ -2736,7 +2952,8 @@ static void build_subroutines(BuildCtx *ctx) | cmpwi CARG2, 0 | li CARG1, 0 | beqlr - | clrso TMP0 // Clear SO for -2147483648 % -1 and return 0. + | // Clear SO for -2147483648 % -1 and return 0. + | crxor 4*cr0+so, 4*cr0+so, 4*cr0+so | blr | |//----------------------------------------------------------------------- @@ -2749,10 +2966,18 @@ static void build_subroutines(BuildCtx *ctx) |->vm_cachesync: |.if JIT or FFI | // Compute start of first cache line and number of cache lines. + | .if GPR64 + | rldicr CARG1, CARG1, 0, 58 + | .else | rlwinm CARG1, CARG1, 0, 0, 26 + | .endif | sub CARG2, CARG2, CARG1 | addi CARG2, CARG2, 31 + | .if GPR64 + | srdi. CARG2, CARG2, 5 + | .else | rlwinm. CARG2, CARG2, 27, 5, 31 + | .endif | beqlr | mtctr CARG2 | mr CARG3, CARG1 @@ -2774,39 +2999,70 @@ static void build_subroutines(BuildCtx *ctx) |//-- FFI helper functions ----------------------------------------------- |//----------------------------------------------------------------------- | - |// Handler for callback functions. Callback slot number in r11, g in r12. + |// Handler for callback functions. + |// 32-bit: Callback slot number in r12, g in r11. + |// 64-bit v1: Callback slot number in bits 47+ of r11, g in 0-46, TOC in r2. + |// 64-bit v2: Callback slot number in bits 2-11 of r12, g in r11, + |// vm_ffi_callback in r2. |->vm_ffi_callback: |.if FFI |.type CTSTATE, CTState, PC + | .if OPD + | rldicl r12, r11, 17, 47 + | rldicl r11, r11, 0, 17 + | .endif + | .if ELFV2 + | rlwinm r12, r12, 30, 22, 31 + | addisl TOCREG, TOCREG, extern .TOC.-lj_vm_ffi_callback@ha + | addil TOCREG, TOCREG, extern .TOC.-lj_vm_ffi_callback@l + | .endif | saveregs - | lwz CTSTATE, GL:r12->ctype_state - | addi DISPATCH, r12, GG_G2DISP - | stw r11, CTSTATE->cb.slot - | stw r3, CTSTATE->cb.gpr[0] + | lwz CTSTATE, GL:r11->ctype_state + | addi DISPATCH, r11, GG_G2DISP + | stw r12, CTSTATE->cb.slot + | stp r3, CTSTATE->cb.gpr[0] | stfd f1, CTSTATE->cb.fpr[0] - | stw r4, CTSTATE->cb.gpr[1] + | stp r4, CTSTATE->cb.gpr[1] | stfd f2, CTSTATE->cb.fpr[1] - | stw r5, CTSTATE->cb.gpr[2] + | stp r5, CTSTATE->cb.gpr[2] | stfd f3, CTSTATE->cb.fpr[2] - | stw r6, CTSTATE->cb.gpr[3] + | stp r6, CTSTATE->cb.gpr[3] | stfd f4, CTSTATE->cb.fpr[3] - | stw r7, CTSTATE->cb.gpr[4] + | stp r7, CTSTATE->cb.gpr[4] | stfd f5, CTSTATE->cb.fpr[4] - | stw r8, CTSTATE->cb.gpr[5] + | stp r8, CTSTATE->cb.gpr[5] | stfd f6, CTSTATE->cb.fpr[5] - | stw r9, CTSTATE->cb.gpr[6] + | stp r9, CTSTATE->cb.gpr[6] | stfd f7, CTSTATE->cb.fpr[6] - | stw r10, CTSTATE->cb.gpr[7] + | stp r10, CTSTATE->cb.gpr[7] | stfd f8, CTSTATE->cb.fpr[7] + | .if GPR64 + | stfd f9, CTSTATE->cb.fpr[8] + | stfd f10, CTSTATE->cb.fpr[9] + | stfd f11, CTSTATE->cb.fpr[10] + | stfd f12, CTSTATE->cb.fpr[11] + | stfd f13, CTSTATE->cb.fpr[12] + | .endif + | .if ELFV2 + | addi TMP0, sp, CFRAME_SPACE+96 + | .elif GPR64 + | addi TMP0, sp, CFRAME_SPACE+112 + | .else | addi TMP0, sp, CFRAME_SPACE+8 - | stw TMP0, CTSTATE->cb.stack + | .endif + | stp TMP0, CTSTATE->cb.stack | mr CARG1, CTSTATE | stw CTSTATE, SAVE_PC // Any value outside of bytecode is ok. | mr CARG2, sp | bl extern lj_ccallback_enter // (CTState *cts, void *cf) | // Returns lua_State *. | lp BASE, L:CRET1->base + |.if P64 + | lus TISNUM, LJ_TISNUM >> 16 // Setup type comparison constants. + | ori TISNUM, TISNUM, LJ_TISNUM & 0xffff + |.else | li TISNUM, LJ_TISNUM // Setup type comparison constants. + |.endif | lp RC, L:CRET1->top | lus TMP3, 0x59c0 // TOBIT = 2^52 + 2^51 (float). | li ZERO, 0 @@ -2835,9 +3091,21 @@ static void build_subroutines(BuildCtx *ctx) | mr CARG1, CTSTATE | mr CARG2, RA | bl extern lj_ccallback_leave // (CTState *cts, TValue *o) - | lwz CRET1, CTSTATE->cb.gpr[0] + | lp CRET1, CTSTATE->cb.gpr[0] | lfd FARG1, CTSTATE->cb.fpr[0] - | lwz CRET2, CTSTATE->cb.gpr[1] + | lp CRET2, CTSTATE->cb.gpr[1] + | .if GPR64 + | lfd FARG2, CTSTATE->cb.fpr[1] + | .else + | lp CARG3, CTSTATE->cb.gpr[2] + | lp CARG4, CTSTATE->cb.gpr[3] + | .endif + | .elfv2 lfd f3, CTSTATE->cb.fpr[2] + | .elfv2 lfd f4, CTSTATE->cb.fpr[3] + | .elfv2 lfd f5, CTSTATE->cb.fpr[4] + | .elfv2 lfd f6, CTSTATE->cb.fpr[5] + | .elfv2 lfd f7, CTSTATE->cb.fpr[6] + | .elfv2 lfd f8, CTSTATE->cb.fpr[7] | b ->vm_leave_unw |.endif | @@ -2850,23 +3118,46 @@ static void build_subroutines(BuildCtx *ctx) | lbz CARG2, CCSTATE->nsp | lbz CARG3, CCSTATE->nfpr | neg TMP1, TMP1 + | .if GPR64 + | std TMP0, 16(sp) + | .else | stw TMP0, 4(sp) + | .endif | cmpwi cr1, CARG3, 0 | mr TMP2, sp | addic. CARG2, CARG2, -1 + | .if GPR64 + | stdux sp, sp, TMP1 + | .else | stwux sp, sp, TMP1 + | .endif | crnot 4*cr1+eq, 4*cr1+eq // For vararg calls. - | stw r14, -4(TMP2) - | stw CCSTATE, -8(TMP2) + | .if GPR64 + | std r14, -8(TMP2) + | std CCSTATE, -16(TMP2) + | .else + | stw r14, -4(TMP2) + | stw CCSTATE, -8(TMP2) + | .endif | mr r14, TMP2 | la TMP1, CCSTATE->stack + | .if GPR64 + | sldi CARG2, CARG2, 3 + | .else | slwi CARG2, CARG2, 2 + | .endif | blty >2 - | la TMP2, 8(sp) + | .if ELFV2 + | la TMP2, 96(sp) + | .elif GPR64 + | la TMP2, 112(sp) + | .else + | la TMP2, 8(sp) + | .endif |1: - | lwzx TMP0, TMP1, CARG2 - | stwx TMP0, TMP2, CARG2 - | addic. CARG2, CARG2, -4 + | lpx TMP0, TMP1, CARG2 + | stpx TMP0, TMP2, CARG2 + | addic. CARG2, CARG2, -PSIZE | bge <1 |2: | bney cr1, >3 @@ -2878,28 +3169,55 @@ static void build_subroutines(BuildCtx *ctx) | lfd f6, CCSTATE->fpr[5] | lfd f7, CCSTATE->fpr[6] | lfd f8, CCSTATE->fpr[7] + | .if GPR64 + | lfd f9, CCSTATE->fpr[8] + | lfd f10, CCSTATE->fpr[9] + | lfd f11, CCSTATE->fpr[10] + | lfd f12, CCSTATE->fpr[11] + | lfd f13, CCSTATE->fpr[12] + | .endif |3: - | lp TMP0, CCSTATE->func - | lwz CARG2, CCSTATE->gpr[1] - | lwz CARG3, CCSTATE->gpr[2] - | lwz CARG4, CCSTATE->gpr[3] - | lwz CARG5, CCSTATE->gpr[4] - | mtctr TMP0 - | lwz r8, CCSTATE->gpr[5] - | lwz r9, CCSTATE->gpr[6] - | lwz r10, CCSTATE->gpr[7] - | lwz CARG1, CCSTATE->gpr[0] // Do this last, since CCSTATE is CARG1. + | .toc std TOCREG, SAVE_TOC + | lp FUNCREG, CCSTATE->func + | lp CARG2, CCSTATE->gpr[1] + | lp CARG3, CCSTATE->gpr[2] + | .opd lp TOCREG, TOC_OFS(FUNCREG) + | .opdenv lp ENVREG, ENV_OFS(FUNCREG) + | .opd lp FUNCREG, 0(FUNCREG) + | lp CARG4, CCSTATE->gpr[3] + | lp CARG5, CCSTATE->gpr[4] + | mtctr FUNCREG + | lp r8, CCSTATE->gpr[5] + | lp r9, CCSTATE->gpr[6] + | lp r10, CCSTATE->gpr[7] + | lp CARG1, CCSTATE->gpr[0] // Do this last, since CCSTATE is CARG1. | bctrl - | lwz CCSTATE:TMP1, -8(r14) - | lwz TMP2, -4(r14) + | .toc lp TOCREG, SAVE_TOC + | .if GPR64 + | ld CCSTATE:TMP1, -16(r14) + | ld TMP2, -8(r14) + | ld TMP0, 16(r14) + | .else + | lwz CCSTATE:TMP1, -8(r14) + | lwz TMP2, -4(r14) | lwz TMP0, 4(r14) - | stw CARG1, CCSTATE:TMP1->gpr[0] + | .endif + | stp CARG1, CCSTATE:TMP1->gpr[0] | stfd FARG1, CCSTATE:TMP1->fpr[0] - | stw CARG2, CCSTATE:TMP1->gpr[1] + | stp CARG2, CCSTATE:TMP1->gpr[1] + | .if GPR64 + | stfd FARG2, CCSTATE:TMP1->fpr[1] + | .endif + | .elfv2 stfd FARG3, CCSTATE:TMP1->fpr[2] + | .elfv2 stfd FARG4, CCSTATE:TMP1->fpr[3] + | .elfv2 stfd FARG5, CCSTATE:TMP1->fpr[4] + | .elfv2 stfd FARG6, CCSTATE:TMP1->fpr[5] + | .elfv2 stfd FARG7, CCSTATE:TMP1->fpr[6] + | .elfv2 stfd FARG8, CCSTATE:TMP1->fpr[7] | mtlr TMP0 - | stw CARG3, CCSTATE:TMP1->gpr[2] + | stp CARG3, CCSTATE:TMP1->gpr[2] | mr sp, r14 - | stw CARG4, CCSTATE:TMP1->gpr[3] + | stp CARG4, CCSTATE:TMP1->gpr[3] | mr r14, TMP2 | blr |.endif @@ -2923,13 +3241,13 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) case BC_ISLT: case BC_ISGE: case BC_ISLE: case BC_ISGT: | // RA = src1*8, RD = src2*8, JMP with RD = target |.if DUALNUM - | lwzux TMP0, RA, BASE + | lwzx TMP0, BASE_HI, RA | addi PC, PC, 4 - | lwz CARG2, 4(RA) - | lwzux TMP1, RD, BASE + | lwzx CARG2, BASE_LO, RA + | lwzx TMP1, BASE_HI, RD | lwz TMP2, -4(PC) | checknum cr0, TMP0 - | lwz CARG3, 4(RD) + | lwzx CARG3, BASE_LO, RD | decode_RD4 TMP2, TMP2 | checknum cr1, TMP1 | addis TMP2, TMP2, -(BCBIAS_J*4 >> 16) @@ -2953,7 +3271,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) |7: // RA is not an integer. | bgt cr0, ->vmeta_comp | // RA is a number. - | lfd f0, 0(RA) + | lfdx f0, BASE, RA | bgt cr1, ->vmeta_comp | blt cr1, >4 | // RA is a number, RD is an integer. @@ -2965,7 +3283,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | // RA is an integer, RD is a number. | tonum_i f0, CARG2 |4: - | lfd f1, 0(RD) + | lfdx f1, BASE, RD |5: | fcmpu cr0, f0, f1 if (op == BC_ISLT) { @@ -2981,10 +3299,10 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) } | b <1 |.else - | lwzx TMP0, BASE, RA + | lwzx TMP0, BASE_HI, RA | addi PC, PC, 4 | lfdx f0, BASE, RA - | lwzx TMP1, BASE, RD + | lwzx TMP1, BASE_HI, RD | checknum cr0, TMP0 | lwz TMP2, -4(PC) | lfdx f1, BASE, RD @@ -3015,15 +3333,23 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) vk = op == BC_ISEQV; | // RA = src1*8, RD = src2*8, JMP with RD = target |.if DUALNUM - | lwzux TMP0, RA, BASE + | lwzx TMP0, BASE_HI, RA | addi PC, PC, 4 - | lwz CARG2, 4(RA) - | lwzux TMP1, RD, BASE + | lwzx CARG2, BASE_LO, RA + | .if ENDIAN_LE + | lwzx TMP1, BASE_HI, RD + | .else + | lwzux TMP1, RD, BASE_HI + | .endif | checknum cr0, TMP0 | lwz TMP2, -4(PC) | checknum cr1, TMP1 | decode_RD4 TMP2, TMP2 - | lwz CARG3, 4(RD) + | .if ENDIAN_LE + | lwzux CARG3, RD, BASE_LO + | .else + | lwz CARG3, WORD_LO(RD) + | .endif | cror 4*cr7+gt, 4*cr0+gt, 4*cr1+gt | addis TMP2, TMP2, -(BCBIAS_J*4 >> 16) if (vk) { @@ -3032,14 +3358,14 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | ble cr7, ->BC_ISNEN_Z } |.else - | lwzux TMP0, RA, BASE + | lwzx TMP0, BASE_HI, RA | lwz TMP2, 0(PC) - | lfd f0, 0(RA) + | lfdx f0, BASE, RA | addi PC, PC, 4 - | lwzux TMP1, RD, BASE + | lwzx TMP1, BASE_HI, RD | checknum cr0, TMP0 | decode_RD4 TMP2, TMP2 - | lfd f1, 0(RD) + | lfdx f1, BASE, RD | checknum cr1, TMP1 | addis TMP2, TMP2, -(BCBIAS_J*4 >> 16) | bge cr0, >5 @@ -3057,8 +3383,8 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) |.endif |5: // Either or both types are not numbers. |.if not DUALNUM - | lwz CARG2, 4(RA) - | lwz CARG3, 4(RD) + | lwzx CARG2, BASE_LO, RA + | lwzx CARG3, BASE_LO, RD |.endif |.if FFI | cmpwi cr7, TMP0, LJ_TCDATA @@ -3074,10 +3400,16 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) |.if FFI | beq cr7, ->vmeta_equal_cd |.endif + |.if P64 + | cmplwi cr7, TMP3, ~LJ_TUDATA // Avoid 64 bit lightuserdata. + |.endif | cmplw cr5, CARG2, CARG3 | crandc 4*cr0+gt, 4*cr0+eq, 4*cr1+gt // 2: Same type and primitive. | crorc 4*cr0+lt, 4*cr5+eq, 4*cr0+eq // 1: Same tv or different type. | crand 4*cr0+eq, 4*cr0+eq, 4*cr5+eq // 0: Same type and same tv. + |.if P64 + | cror 4*cr6+lt, 4*cr6+lt, 4*cr7+gt + |.endif | mr SAVE0, PC | cror 4*cr0+eq, 4*cr0+eq, 4*cr0+gt // 0 or 2. | cror 4*cr0+lt, 4*cr0+lt, 4*cr0+gt // 1 or 2. @@ -3116,9 +3448,9 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) case BC_ISEQS: case BC_ISNES: vk = op == BC_ISEQS; | // RA = src*8, RD = str_const*8 (~), JMP with RD = target - | lwzux TMP0, RA, BASE + | lwzx TMP0, BASE_HI, RA | srwi RD, RD, 1 - | lwz STR:TMP3, 4(RA) + | lwzx STR:TMP3, BASE_LO, RA | lwz TMP2, 0(PC) | subfic RD, RD, -4 | addi PC, PC, 4 @@ -3150,15 +3482,14 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) vk = op == BC_ISEQN; | // RA = src*8, RD = num_const*8, JMP with RD = target |.if DUALNUM - | lwzux TMP0, RA, BASE + | lwzx TMP0, BASE_HI, RA | addi PC, PC, 4 - | lwz CARG2, 4(RA) - | lwzux TMP1, RD, KBASE + | lwzx CARG2, BASE_LO, RA + | lwzux2 TMP1, CARG3, RD, KBASE | checknum cr0, TMP0 | lwz TMP2, -4(PC) | checknum cr1, TMP1 | decode_RD4 TMP2, TMP2 - | lwz CARG3, 4(RD) | addis TMP2, TMP2, -(BCBIAS_J*4 >> 16) if (vk) { |->BC_ISEQN_Z: @@ -3175,7 +3506,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) } else { |->BC_ISNEN_Z: // Dummy label. } - | lwzx TMP0, BASE, RA + | lwzx TMP0, BASE_HI, RA | addi PC, PC, 4 | lfdx f0, BASE, RA | lwz TMP2, -4(PC) @@ -3213,7 +3544,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) |7: // RA is not an integer. | bge cr0, <3 | // RA is a number. - | lfd f0, 0(RA) + | lfdx f0, BASE, RA | blt cr1, >1 | // RA is a number, RD is an integer. | tonum_i f1, CARG3 @@ -3232,7 +3563,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) case BC_ISEQP: case BC_ISNEP: vk = op == BC_ISEQP; | // RA = src*8, RD = primitive_type*8 (~), JMP with RD = target - | lwzx TMP0, BASE, RA + | lwzx TMP0, BASE_HI, RA | srwi TMP1, RD, 3 | lwz TMP2, 0(PC) | not TMP1, TMP1 @@ -3262,7 +3593,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) case BC_ISTC: case BC_ISFC: case BC_IST: case BC_ISF: | // RA = dst*8 or unused, RD = src*8, JMP with RD = target - | lwzx TMP0, BASE, RD + | lwzx TMP0, BASE_HI, RD | lwz INS, 0(PC) | addi PC, PC, 4 if (op == BC_IST || op == BC_ISF) { @@ -3297,7 +3628,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) case BC_ISTYPE: | // RA = src*8, RD = -type*8 - | lwzx TMP0, BASE, RA + | lwzx TMP0, BASE_HI, RA | srwi TMP1, RD, 3 | ins_next1 |.if not PPE and not GPR64 @@ -3311,7 +3642,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) break; case BC_ISNUM: | // RA = src*8, RD = -(TISNUM-1)*8 - | lwzx TMP0, BASE, RA + | lwzx TMP0, BASE_HI, RA | ins_next1 | checknum TMP0 | bge ->vmeta_istype @@ -3330,17 +3661,20 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) case BC_NOT: | // RA = dst*8, RD = src*8 | ins_next1 - | lwzx TMP0, BASE, RD + | lwzx TMP0, BASE_HI, RD | .gpr64 extsw TMP0, TMP0 | subfic TMP1, TMP0, LJ_TTRUE | adde TMP0, TMP0, TMP1 - | stwx TMP0, BASE, RA + | stwx TMP0, BASE_HI, RA | ins_next2 break; case BC_UNM: | // RA = dst*8, RD = src*8 - | lwzux TMP1, RD, BASE - | lwz TMP0, 4(RD) + | lwzx TMP1, BASE_HI, RD + | lwzx TMP0, BASE_LO, RD + |.if DUALNUM and not GPR64 + | mtxer ZERO + |.endif | checknum TMP1 |.if DUALNUM | bne >5 @@ -3352,18 +3686,13 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) |.else | nego. TMP0, TMP0 | bso >4 - |1: |.endif | ins_next1 - | stwux TISNUM, RA, BASE - | stw TMP0, 4(RA) + | stwx TISNUM, BASE_HI, RA + | stwx TMP0, BASE_LO, RA |3: | ins_next2 |4: - |.if not GPR64 - | // Potential overflow. - | checkov TMP1, <1 // Ignore unrelated overflow. - |.endif | lus TMP1, 0x41e0 // 2^31. | li TMP0, 0 | b >7 @@ -3373,8 +3702,8 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | xoris TMP1, TMP1, 0x8000 |7: | ins_next1 - | stwux TMP1, RA, BASE - | stw TMP0, 4(RA) + | stwx TMP1, BASE_HI, RA + | stwx TMP0, BASE_LO, RA |.if DUALNUM | b <3 |.else @@ -3383,15 +3712,15 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) break; case BC_LEN: | // RA = dst*8, RD = src*8 - | lwzux TMP0, RD, BASE - | lwz CARG1, 4(RD) + | lwzx TMP0, BASE_HI, RD + | lwzx CARG1, BASE_LO, RD | checkstr TMP0; bne >2 | lwz CRET1, STR:CARG1->len |1: |.if DUALNUM | ins_next1 - | stwux TISNUM, RA, BASE - | stw CRET1, 4(RA) + | stwx TISNUM, BASE_HI, RA + | stwx CRET1, BASE_LO, RA |.else | tonum_u f0, CRET1 // Result is a non-negative integer. | ins_next1 @@ -3426,9 +3755,16 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) ||vk = ((int)op - BC_ADDVN) / (BC_ADDNV-BC_ADDVN); ||switch (vk) { ||case 0: - | lwzx TMP1, BASE, RB + | .if ENDIAN_LE and DUALNUM + | addi TMP2, RC, 4 + | .endif + | lwzx TMP1, BASE_HI, RB | .if DUALNUM - | lwzx TMP2, KBASE, RC + | .if ENDIAN_LE + | lwzx TMP2, KBASE, TMP2 + | .else + | lwzx TMP2, KBASE, RC + | .endif | .endif | lfdx f14, BASE, RB | lfdx f15, KBASE, RC @@ -3442,9 +3778,16 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | .endif || break; ||case 1: - | lwzx TMP1, BASE, RB + | .if ENDIAN_LE and DUALNUM + | addi TMP2, RC, 4 + | .endif + | lwzx TMP1, BASE_HI, RB | .if DUALNUM - | lwzx TMP2, KBASE, RC + | .if ENDIAN_LE + | lwzx TMP2, KBASE, TMP2 + | .else + | lwzx TMP2, KBASE, RC + | .endif | .endif | lfdx f15, BASE, RB | lfdx f14, KBASE, RC @@ -3458,8 +3801,8 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | .endif || break; ||default: - | lwzx TMP1, BASE, RB - | lwzx TMP2, BASE, RC + | lwzx TMP1, BASE_HI, RB + | lwzx TMP2, BASE_HI, RC | lfdx f14, BASE, RB | lfdx f15, BASE, RC | checknum cr0, TMP1 @@ -3514,41 +3857,62 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) ||vk = ((int)op - BC_ADDVN) / (BC_ADDNV-BC_ADDVN); ||switch (vk) { ||case 0: - | lwzux TMP1, RB, BASE - | lwzux TMP2, RC, KBASE - | lwz CARG1, 4(RB) - | checknum cr0, TMP1 - | lwz CARG2, 4(RC) + | .if ENDIAN_LE + | lwzux CARG2, RC, KBASE + | lwzx TMP1, RB, BASE_HI + | lwz TMP2, 4(RC) + | checknum cr0, TMP1 + | lwzux CARG1, RB, BASE + | .else + | lwzux TMP1, RB, BASE + | lwzux TMP2, RC, KBASE + | lwz CARG1, 4(RB) + | checknum cr0, TMP1 + | lwz CARG2, 4(RC) + | .endif || break; ||case 1: - | lwzux TMP1, RB, BASE - | lwzux TMP2, RC, KBASE - | lwz CARG2, 4(RB) - | checknum cr0, TMP1 - | lwz CARG1, 4(RC) + | .if ENDIAN_LE + | lwzux CARG1, RC, KBASE + | lwzx TMP1, RB, BASE_HI + | lwz TMP2, 4(RC) + | checknum cr0, TMP1 + | lwzux CARG2, RB, BASE + | .else + | lwzux TMP1, RB, BASE + | lwzux TMP2, RC, KBASE + | lwz CARG2, 4(RB) + | checknum cr0, TMP1 + | lwz CARG1, 4(RC) + | .endif || break; ||default: - | lwzux TMP1, RB, BASE - | lwzux TMP2, RC, BASE - | lwz CARG1, 4(RB) - | checknum cr0, TMP1 - | lwz CARG2, 4(RC) + | .if ENDIAN_LE + | lwzx TMP1, RB, BASE_HI + | lwzx TMP2, RC, BASE_HI + | lwzux CARG1, RB, BASE + | checknum cr0, TMP1 + | lwzux CARG2, RC, BASE + | .else + | lwzux TMP1, RB, BASE + | lwzux TMP2, RC, BASE + | lwz CARG1, 4(RB) + | checknum cr0, TMP1 + | lwz CARG2, 4(RC) + | .endif || break; ||} + | mtxer ZERO | checknum cr1, TMP2 | bne >5 | bne cr1, >5 | intins CARG1, CARG1, CARG2 - | bso >4 - |1: + | ins_arithfallback bso | ins_next1 - | stwux TISNUM, RA, BASE - | stw CARG1, 4(RA) + | stwx TISNUM, BASE_HI, RA + | stwx CARG1, BASE_LO, RA |2: | ins_next2 - |4: // Overflow. - | checkov TMP0, <1 // Ignore unrelated overflow. - | ins_arithfallback b |5: // FP variant. ||if (vk == 1) { | lfd f15, 0(RB) @@ -3620,9 +3984,9 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) break; case BC_POW: | // NYI: (partial) integer arithmetic. - | lwzx TMP1, BASE, RB + | lwzx TMP1, BASE_HI, RB | lfdx FARG1, BASE, RB - | lwzx TMP2, BASE, RC + | lwzx TMP2, BASE_HI, RC | lfdx FARG2, BASE, RC | checknum cr0, TMP1 | checknum cr1, TMP2 @@ -3648,6 +4012,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | // Returns NULL (finished) or TValue * (metamethod). | cmplwi CRET1, 0 | lp BASE, L->base + | addi BASEP4, BASE, 4 | bne ->vmeta_binop | ins_next1 | lfdx f0, BASE, SAVE0 // Copy result from RB to RA. @@ -3664,8 +4029,8 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | ins_next1 | lwzx TMP0, KBASE, TMP1 // KBASE-4-str_const*4 | li TMP2, LJ_TSTR - | stwux TMP2, RA, BASE - | stw TMP0, 4(RA) + | stwx TMP2, BASE_HI, RA + | stwx TMP0, BASE_LO, RA | ins_next2 break; case BC_KCDATA: @@ -3676,8 +4041,8 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | ins_next1 | lwzx TMP0, KBASE, TMP1 // KBASE-4-cdata_const*4 | li TMP2, LJ_TCDATA - | stwux TMP2, RA, BASE - | stw TMP0, 4(RA) + | stwx TMP2, BASE_HI, RA + | stwx TMP0, BASE_LO, RA | ins_next2 |.endif break; @@ -3687,14 +4052,15 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | slwi RD, RD, 13 | srawi RD, RD, 16 | ins_next1 - | stwux TISNUM, RA, BASE - | stw RD, 4(RA) + | stwx TISNUM, BASE_HI, RA + | stwx RD, BASE_LO, RA | ins_next2 |.else | // The soft-float approach is faster. | slwi RD, RD, 13 | srawi TMP1, RD, 31 | xor TMP2, TMP1, RD + | .gpr64 extsw RD, RD | sub TMP2, TMP2, TMP1 // TMP2 = abs(x) | cntlzw TMP3, TMP2 | subfic TMP1, TMP3, 0x40d // TMP1 = exponent-1 @@ -3706,8 +4072,8 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | add RD, RD, TMP1 // hi = hi + exponent-1 | and RD, RD, TMP0 // hi = x == 0 ? 0 : hi | ins_next1 - | stwux RD, RA, BASE - | stw ZERO, 4(RA) + | stwx RD, BASE_HI, RA + | stwx ZERO, BASE_LO, RA | ins_next2 |.endif break; @@ -3723,15 +4089,15 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | srwi TMP1, RD, 3 | not TMP0, TMP1 | ins_next1 - | stwx TMP0, BASE, RA + | stwx TMP0, BASE_HI, RA | ins_next2 break; case BC_KNIL: | // RA = base*8, RD = end*8 - | stwx TISNIL, BASE, RA + | stwx TISNIL, BASE_HI, RA | addi RA, RA, 8 |1: - | stwx TISNIL, BASE, RA + | stwx TISNIL, BASE_HI, RA | cmpw RA, RD | addi RA, RA, 8 | blt <1 @@ -3763,10 +4129,10 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | lwz CARG2, UPVAL:RB->v | andix. TMP3, TMP3, LJ_GC_BLACK // isblack(uv) | lbz TMP0, UPVAL:RB->closed - | lwz TMP2, 0(RD) + | lwz TMP2, WORD_HI(RD) | stfd f0, 0(CARG2) | cmplwi cr1, TMP0, 0 - | lwz TMP1, 4(RD) + | lwz TMP1, WORD_LO(RD) | cror 4*cr0+eq, 4*cr0+eq, 4*cr1+eq | subi TMP2, TMP2, (LJ_TNUMX+1) | bne >2 // Upvalue is closed and black? @@ -3799,8 +4165,8 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | lbz TMP3, STR:TMP1->marked | lbz TMP2, UPVAL:RB->closed | li TMP0, LJ_TSTR - | stw STR:TMP1, 4(CARG2) - | stw TMP0, 0(CARG2) + | stw STR:TMP1, WORD_LO(CARG2) + | stw TMP0, WORD_HI(CARG2) | bne >2 |1: | ins_next @@ -3837,7 +4203,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | lwzx UPVAL:RB, LFUNC:RB, RA | ins_next1 | lwz TMP1, UPVAL:RB->v - | stw TMP0, 0(TMP1) + | stw TMP0, WORD_HI(TMP1) | ins_next2 break; @@ -3852,6 +4218,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | add CARG2, BASE, RA | bl extern lj_func_closeuv // (lua_State *L, TValue *level) | lp BASE, L->base + | addi BASEP4, BASE, 4 |1: | ins_next break; @@ -3870,8 +4237,9 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | // Returns GCfuncL *. | lp BASE, L->base | li TMP0, LJ_TFUNC - | stwux TMP0, RA, BASE - | stw LFUNC:CRET1, 4(RA) + | addi BASEP4, BASE, 4 + | stwx TMP0, BASE_HI, RA + | stwx LFUNC:CRET1, BASE_LO, RA | ins_next break; @@ -3904,8 +4272,9 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) } | lp BASE, L->base | li TMP0, LJ_TTAB - | stwux TMP0, RA, BASE - | stw TAB:CRET1, 4(RA) + | addi BASEP4, BASE, 4 + | stwx TMP0, BASE_HI, RA + | stwx TAB:CRET1, BASE_LO, RA | ins_next if (op == BC_TNEW) { |3: @@ -3938,13 +4307,13 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) case BC_TGETV: | // RA = dst*8, RB = table*8, RC = key*8 - | lwzux CARG1, RB, BASE - | lwzux CARG2, RC, BASE - | lwz TAB:RB, 4(RB) + | lwzx CARG1, BASE_HI, RB + | lwzx CARG2, BASE_HI, RC + | lwzx TAB:RB, BASE_LO, RB |.if DUALNUM - | lwz RC, 4(RC) + | lwzx RC, BASE_LO, RC |.else - | lfd f0, 0(RC) + | lfdx f0, BASE, RC |.endif | checktab CARG1 | checknum cr1, CARG2 @@ -3971,8 +4340,13 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | slwi TMP2, TMP2, 3 |.endif | ble ->vmeta_tgetv // Integer key and in array part? - | lwzx TMP0, TMP1, TMP2 - | lfdx f14, TMP1, TMP2 + | .if ENDIAN_LE + | lfdux f14, TMP1, TMP2 + | lwz TMP0, WORD_HI(TMP1) + | .else + | lwzx TMP0, TMP1, TMP2 + | lfdx f14, TMP1, TMP2 + | .endif | checknil TMP0; beq >2 |1: | ins_next1 @@ -3991,15 +4365,15 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) |5: | checkstr CARG2; bne ->vmeta_tgetv |.if not DUALNUM - | lwz STR:RC, 4(RC) + | lwzx STR:RC, BASE_LO, RC |.endif | b ->BC_TGETS_Z // String key? break; case BC_TGETS: | // RA = dst*8, RB = table*8, RC = str_const*8 (~) - | lwzux CARG1, RB, BASE + | lwzx CARG1, BASE_HI, RB | srwi TMP1, RC, 1 - | lwz TAB:RB, 4(RB) + | lwzx TAB:RB, BASE_LO, RB | subfic TMP1, TMP1, -4 | checktab CARG1 | lwzx STR:RC, KBASE, TMP1 // KBASE-4-str_const*4 @@ -4015,16 +4389,16 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | sub TMP1, TMP0, TMP1 | add NODE:TMP2, NODE:TMP2, TMP1 // node = tab->node + (idx*32-idx*8) |1: - | lwz CARG1, NODE:TMP2->key - | lwz TMP0, 4+offsetof(Node, key)(NODE:TMP2) - | lwz CARG2, NODE:TMP2->val - | lwz TMP1, 4+offsetof(Node, val)(NODE:TMP2) + | lwz CARG1, WORD_HI+offsetof(Node, key)(NODE:TMP2) + | lwz TMP0, WORD_LO+offsetof(Node, key)(NODE:TMP2) + | lwz CARG2, WORD_HI+offsetof(Node, val)(NODE:TMP2) + | lwz TMP1, WORD_LO+offsetof(Node, val)(NODE:TMP2) | checkstr CARG1; bne >4 | cmpw TMP0, STR:RC; bne >4 | checknil CARG2; beq >5 // Key found, but nil value? |3: - | stwux CARG2, RA, BASE - | stw TMP1, 4(RA) + | stwx CARG2, BASE_HI, RA + | stwx TMP1, BASE_LO, RA | ins_next | |4: // Follow hash chain. @@ -4045,15 +4419,20 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) break; case BC_TGETB: | // RA = dst*8, RB = table*8, RC = index*8 - | lwzux CARG1, RB, BASE + | lwzx CARG1, BASE_HI, RB | srwi TMP0, RC, 3 - | lwz TAB:RB, 4(RB) + | lwzx TAB:RB, BASE_LO, RB | checktab CARG1; bne ->vmeta_tgetb | lwz TMP1, TAB:RB->asize | lwz TMP2, TAB:RB->array | cmplw TMP0, TMP1; bge ->vmeta_tgetb - | lwzx TMP1, TMP2, RC - | lfdx f0, TMP2, RC + | .if ENDIAN_LE + | lfdux f0, TMP2, RC + | lwz TMP1, WORD_HI(TMP2) + | .else + | lwzx TMP1, TMP2, RC + | lfdx f0, TMP2, RC + | .endif | checknil TMP1; beq >5 |1: | ins_next1 @@ -4071,12 +4450,10 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) break; case BC_TGETR: | // RA = dst*8, RB = table*8, RC = key*8 - | add RB, BASE, RB - | lwz TAB:CARG1, 4(RB) + | lwzx TAB:CARG1, BASE_LO, RB |.if DUALNUM - | add RC, BASE, RC | lwz TMP0, TAB:CARG1->asize - | lwz CARG2, 4(RC) + | lwzx CARG2, BASE_LO, RC | lwz TMP1, TAB:CARG1->array |.else | lfdx f0, BASE, RC @@ -4096,13 +4473,13 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) case BC_TSETV: | // RA = src*8, RB = table*8, RC = key*8 - | lwzux CARG1, RB, BASE - | lwzux CARG2, RC, BASE - | lwz TAB:RB, 4(RB) + | lwzx CARG1, BASE_HI, RB + | lwzx CARG2, BASE_HI, RC + | lwzx TAB:RB, BASE_LO, RB |.if DUALNUM - | lwz RC, 4(RC) + | lwzx RC, BASE_LO, RC |.else - | lfd f0, 0(RC) + | lfdx f0, BASE, RC |.endif | checktab CARG1 | checknum cr1, CARG2 @@ -4129,7 +4506,12 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | slwi TMP0, TMP2, 3 |.endif | ble ->vmeta_tsetv // Integer key and in array part? + | .if ENDIAN_LE + | addi TMP2, TMP1, 4 + | lwzx TMP2, TMP2, TMP0 + | .else | lwzx TMP2, TMP1, TMP0 + | .endif | lbz TMP3, TAB:RB->marked | lfdx f14, BASE, RA | checknil TMP2; beq >3 @@ -4152,7 +4534,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) |5: | checkstr CARG2; bne ->vmeta_tsetv |.if not DUALNUM - | lwz STR:RC, 4(RC) + | lwzx STR:RC, BASE_LO, RC |.endif | b ->BC_TSETS_Z // String key? | @@ -4162,9 +4544,9 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) break; case BC_TSETS: | // RA = src*8, RB = table*8, RC = str_const*8 (~) - | lwzux CARG1, RB, BASE + | lwzx CARG1, BASE_HI, RB | srwi TMP1, RC, 1 - | lwz TAB:RB, 4(RB) + | lwzx TAB:RB, BASE_LO, RB | subfic TMP1, TMP1, -4 | checktab CARG1 | lwzx STR:RC, KBASE, TMP1 // KBASE-4-str_const*4 @@ -4183,9 +4565,9 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | lbz TMP3, TAB:RB->marked | add NODE:TMP2, NODE:TMP2, TMP1 // node = tab->node + (idx*32-idx*8) |1: - | lwz CARG1, NODE:TMP2->key - | lwz TMP0, 4+offsetof(Node, key)(NODE:TMP2) - | lwz CARG2, NODE:TMP2->val + | lwz CARG1, WORD_HI+offsetof(Node, key)(NODE:TMP2) + | lwz TMP0, WORD_LO+offsetof(Node, key)(NODE:TMP2) + | lwz CARG2, WORD_HI+offsetof(Node, val)(NODE:TMP2) | lwz NODE:TMP1, NODE:TMP2->next | checkstr CARG1; bne >5 | cmpw TMP0, STR:RC; bne >5 @@ -4225,13 +4607,14 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | beq ->vmeta_tsets // 'no __newindex' flag NOT set: check. |6: | li TMP0, LJ_TSTR - | stw STR:RC, 4(CARG3) + | stw STR:RC, WORD_LO(CARG3) | mr CARG2, TAB:RB - | stw TMP0, 0(CARG3) + | stw TMP0, WORD_HI(CARG3) | bl extern lj_tab_newkey // (lua_State *L, GCtab *t, TValue *k) | // Returns TValue *. | lp BASE, L->base | stfd f14, 0(CRET1) + | addi BASEP4, BASE, 4 | b <3 // No 2nd write barrier needed. | |7: // Possible table write barrier for the value. Skip valiswhite check. @@ -4240,9 +4623,9 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) break; case BC_TSETB: | // RA = src*8, RB = table*8, RC = index*8 - | lwzux CARG1, RB, BASE + | lwzx CARG1, BASE_HI, RB | srwi TMP0, RC, 3 - | lwz TAB:RB, 4(RB) + | lwzx TAB:RB, BASE_LO, RB | checktab CARG1; bne ->vmeta_tsetb | lwz TMP1, TAB:RB->asize | lwz TMP2, TAB:RB->array @@ -4250,7 +4633,12 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | cmplw TMP0, TMP1 | lfdx f14, BASE, RA | bge ->vmeta_tsetb - | lwzx TMP1, TMP2, RC + | .if ENDIAN_LE + | addi TMP1, TMP2, 4 + | lwzx TMP1, TMP1, RC + | .else + | lwzx TMP1, TMP2, RC + | .endif | checknil TMP1; beq >5 |1: | andix. TMP0, TMP3, LJ_GC_BLACK // isblack(table) @@ -4274,13 +4662,11 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) break; case BC_TSETR: | // RA = dst*8, RB = table*8, RC = key*8 - | add RB, BASE, RB - | lwz TAB:CARG2, 4(RB) + | lwzx TAB:CARG2, BASE_LO, RB |.if DUALNUM - | add RC, BASE, RC | lbz TMP3, TAB:CARG2->marked | lwz TMP0, TAB:CARG2->asize - | lwz CARG3, 4(RC) + | lwzx CARG3, BASE_LO, RC | lwz TMP1, TAB:CARG2->array |.else | lfdx f0, BASE, RC @@ -4311,9 +4697,9 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | add RA, BASE, RA |1: | add TMP3, KBASE, RD - | lwz TAB:CARG2, -4(RA) // Guaranteed to be a table. + | lwz TAB:CARG2, WORD_LO-8(RA) // Guaranteed to be a table. | addic. TMP0, MULTRES, -8 - | lwz TMP3, 4(TMP3) // Integer constant is in lo-word. + | lwz TMP3, WORD_LO(TMP3) // Integer constant is in lo-word. | srwi CARG3, TMP0, 3 | beq >4 // Nothing to copy? | add CARG3, CARG3, TMP3 @@ -4362,8 +4748,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) case BC_CALL: | // RA = base*8, (RB = (nresults+1)*8,) RC = (nargs+1)*8 | mr TMP2, BASE - | lwzux TMP0, BASE, RA - | lwz LFUNC:RB, 4(BASE) + | lwzux2 TMP0, LFUNC:RB, BASE, RA | subi NARGS8:RC, NARGS8:RC, 8 | addi BASE, BASE, 8 | checkfunc TMP0; bne ->vmeta_call @@ -4377,8 +4762,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) break; case BC_CALLT: | // RA = base*8, (RB = 0,) RC = (nargs+1)*8 - | lwzux TMP0, RA, BASE - | lwz LFUNC:RB, 4(RA) + | lwzux2 TMP0, LFUNC:RB, RA, BASE | subi NARGS8:RC, NARGS8:RC, 8 | lwz TMP1, FRAME_PC(BASE) | checkfunc TMP0 @@ -4430,12 +4814,12 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | // RA = base*8, (RB = (nresults+1)*8, RC = (nargs+1)*8 ((2+1)*8)) | mr TMP2, BASE | add BASE, BASE, RA - | lwz TMP1, -24(BASE) - | lwz LFUNC:RB, -20(BASE) + | lwz TMP1, WORD_HI-24(BASE) + | lwz LFUNC:RB, WORD_LO-24(BASE) | lfd f1, -8(BASE) | lfd f0, -16(BASE) - | stw TMP1, 0(BASE) // Copy callable. - | stw LFUNC:RB, 4(BASE) + | stw TMP1, WORD_HI(BASE) // Copy callable. + | stw LFUNC:RB, WORD_LO(BASE) | checkfunc TMP1 | stfd f1, 16(BASE) // Copy control var. | li NARGS8:RC, 16 // Iterators get 2 arguments. @@ -4450,8 +4834,8 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | // NYI: add hotloop, record BC_ITERN. |.endif | add RA, BASE, RA - | lwz TAB:RB, -12(RA) - | lwz RC, -4(RA) // Get index from control var. + | lwz TAB:RB, WORD_LO-16(RA) + | lwz RC, WORD_LO-8(RA) // Get index from control var. | lwz TMP0, TAB:RB->asize | lwz TMP1, TAB:RB->array | addi PC, PC, 4 @@ -4459,14 +4843,14 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | cmplw RC, TMP0 | slwi TMP3, RC, 3 | bge >5 // Index points after array part? - | lwzx TMP2, TMP1, TMP3 - | lfdx f0, TMP1, TMP3 + | lfdux f0, TMP3, TMP1 + | lwz TMP2, WORD_HI(TMP3) | checknil TMP2 | lwz INS, -4(PC) | beq >4 |.if DUALNUM - | stw RC, 4(RA) - | stw TISNUM, 0(RA) + | stw RC, WORD_LO(RA) + | stw TISNUM, WORD_HI(RA) |.else | tonum_u f1, RC |.endif @@ -4474,7 +4858,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | addis TMP3, PC, -(BCBIAS_J*4 >> 16) | stfd f0, 8(RA) | decode_RD4 TMP1, INS - | stw RC, -4(RA) // Update control var. + | stw RC, WORD_LO-8(RA) // Update control var. | add PC, TMP1, TMP3 |.if not DUALNUM | stfd f1, 0(RA) @@ -4496,9 +4880,8 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | bgty <3 | slwi RB, RC, 3 | sub TMP3, TMP3, RB - | lwzx RB, TMP2, TMP3 - | lfdx f0, TMP2, TMP3 - | add NODE:TMP3, TMP2, TMP3 + | lfdux f0, TMP3, TMP2 + | lwz RB, WORD_HI(TMP3) | checknil RB | lwz INS, -4(PC) | beq >7 @@ -4510,7 +4893,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | stfd f1, 0(RA) | addi RC, RC, 1 | add PC, TMP1, TMP2 - | stw RC, -4(RA) // Update control var. + | stw RC, WORD_LO-8(RA) // Update control var. | b <3 | |7: // Skip holes in hash part. @@ -4521,10 +4904,10 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) case BC_ISNEXT: | // RA = base*8, RD = target (points to ITERN) | add RA, BASE, RA - | lwz TMP0, -24(RA) - | lwz CFUNC:TMP1, -20(RA) - | lwz TMP2, -16(RA) - | lwz TMP3, -8(RA) + | lwz TMP0, WORD_HI-24(RA) + | lwz CFUNC:TMP1, WORD_LO-24(RA) + | lwz TMP2, WORD_HI-16(RA) + | lwz TMP3, WORD_HI-8(RA) | cmpwi cr0, TMP2, LJ_TTAB | cmpwi cr1, TMP0, LJ_TFUNC | cmpwi cr6, TMP3, LJ_TNIL @@ -4538,17 +4921,25 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | bne cr0, >5 | lus TMP1, 0xfffe | ori TMP1, TMP1, 0x7fff - | stw ZERO, -4(RA) // Initialize control var. - | stw TMP1, -8(RA) + | stw ZERO, WORD_LO-8(RA) // Initialize control var. + | stw TMP1, WORD_HI-8(RA) | addis PC, TMP3, -(BCBIAS_J*4 >> 16) |1: | ins_next |5: // Despecialize bytecode if any of the checks fail. | li TMP0, BC_JMP | li TMP1, BC_ITERC + | .if ENDIAN_LE + | stb TMP0, -4(PC) + | .else | stb TMP0, -1(PC) + | .endif | addis PC, TMP3, -(BCBIAS_J*4 >> 16) + | .if ENDIAN_LE + | stb TMP1, 0(PC) + | .else | stb TMP1, 3(PC) + | .endif | b <1 break; @@ -4582,7 +4973,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | addi RA, RA, 8 | blt cr1, <1 // More vararg slots? |2: // Fill up remainder with nil. - | stw TISNIL, 0(RA) + | stw TISNIL, WORD_HI(RA) | cmplw RA, TMP2 | addi RA, RA, 8 | blt <2 @@ -4619,6 +5010,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | add RA, BASE, RA | add RC, BASE, SAVE0 | subi TMP3, BASE, 8 + | addi BASEP4, BASE, 4 | b <6 break; @@ -4667,13 +5059,14 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | bgt >6 | sub BASE, TMP2, RA | lwz LFUNC:TMP1, FRAME_FUNC(BASE) + | addi BASEP4, BASE, 4 | ins_next1 | lwz TMP1, LFUNC:TMP1->pc | lwz KBASE, PC2PROTO(k)(TMP1) | ins_next2 | |6: // Fill up results with nil. - | subi TMP1, RD, 8 + | addi TMP1, RD, WORD_HI-8 | addi RD, RD, 8 | stwx TISNIL, TMP2, TMP1 | b <5 @@ -4709,13 +5102,14 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | bgt >6 | sub BASE, TMP2, RA | lwz LFUNC:TMP1, FRAME_FUNC(BASE) + | addi BASEP4, BASE, 4 | ins_next1 | lwz TMP1, LFUNC:TMP1->pc | lwz KBASE, PC2PROTO(k)(TMP1) | ins_next2 | |6: // Fill up results with nil. - | subi TMP1, RD, 8 + | addi TMP1, RD, WORD_HI-8 | addi RD, RD, 8 | stwx TISNIL, TMP2, TMP1 | b <5 @@ -4741,11 +5135,13 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) vk = (op == BC_IFORL || op == BC_JFORL); |.if DUALNUM | // Integer loop. - | lwzux TMP1, RA, BASE - | lwz CARG1, FORL_IDX*8+4(RA) + | lwzux2 TMP1, CARG1, RA, BASE + if (vk) { + | mtxer ZERO + } | cmplw cr0, TMP1, TISNUM if (vk) { - | lwz CARG3, FORL_STEP*8+4(RA) + | lwz CARG3, FORL_STEP*8+WORD_LO(RA) | bne >9 |.if GPR64 | // Need to check overflow for (a<<32) + (b<<32). @@ -4757,15 +5153,15 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | addo. CARG1, CARG1, CARG3 |.endif | cmpwi cr6, CARG3, 0 - | lwz CARG2, FORL_STOP*8+4(RA) - | bso >6 + | lwz CARG2, FORL_STOP*8+WORD_LO(RA) + | bso >2 |4: - | stw CARG1, FORL_IDX*8+4(RA) + | stw CARG1, FORL_IDX*8+WORD_LO(RA) } else { - | lwz TMP3, FORL_STEP*8(RA) - | lwz CARG3, FORL_STEP*8+4(RA) - | lwz TMP2, FORL_STOP*8(RA) - | lwz CARG2, FORL_STOP*8+4(RA) + | lwz TMP3, FORL_STEP*8+WORD_HI(RA) + | lwz CARG3, FORL_STEP*8+WORD_LO(RA) + | lwz TMP2, FORL_STOP*8+WORD_HI(RA) + | lwz CARG2, FORL_STOP*8+WORD_LO(RA) | cmplw cr7, TMP3, TISNUM | cmplw cr1, TMP2, TISNUM | crand 4*cr0+eq, 4*cr0+eq, 4*cr7+eq @@ -4776,11 +5172,11 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | blt cr6, >5 | cmpw CARG1, CARG2 |1: - | stw TISNUM, FORL_EXT*8(RA) + | stw TISNUM, FORL_EXT*8+WORD_HI(RA) if (op != BC_JFORL) { | srwi RD, RD, 1 } - | stw CARG1, FORL_EXT*8+4(RA) + | stw CARG1, FORL_EXT*8+WORD_LO(RA) if (op != BC_JFORL) { | add RD, PC, RD } @@ -4800,11 +5196,6 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) |5: // Invert check for negative step. | cmpw CARG2, CARG1 | b <1 - if (vk) { - |6: // Potential overflow. - | checkov TMP0, <4 // Ignore unrelated overflow. - | b <2 - } |.endif if (vk) { |.if DUALNUM @@ -4815,14 +5206,19 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) |.endif | lfd f3, FORL_STEP*8(RA) | lfd f2, FORL_STOP*8(RA) - | lwz TMP3, FORL_STEP*8(RA) + | lwz TMP3, FORL_STEP*8+WORD_HI(RA) | fadd f1, f1, f3 | stfd f1, FORL_IDX*8(RA) } else { |.if DUALNUM |9: // FP loop. |.else + |.if ENDIAN_LE + | lwzx TMP1, RA, BASE_LO + | add RA, RA, BASE + |.else | lwzux TMP1, RA, BASE + |.endif | lwz TMP3, FORL_STEP*8(RA) | lwz TMP2, FORL_STOP*8(RA) | cmplw cr0, TMP1, TISNUM @@ -4903,17 +5299,16 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) #endif case BC_IITERL: | // RA = base*8, RD = target - | lwzux TMP1, RA, BASE - | lwz TMP2, 4(RA) + | lwzux2 TMP1, TMP2, RA, BASE | checknil TMP1; beq >1 // Stop if iterator returned nil. if (op == BC_JITERL) { - | stw TMP1, -8(RA) - | stw TMP2, -4(RA) + | stw TMP1, WORD_HI-8(RA) + | stw TMP2, WORD_LO-8(RA) | b =>BC_JLOOP } else { | branch_RD // Otherwise save control var + branch. - | stw TMP1, -8(RA) - | stw TMP2, -4(RA) + | stw TMP1, WORD_HI-8(RA) + | stw TMP2, WORD_LO-8(RA) } |1: | ins_next @@ -4942,7 +5337,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | // Traces on PPC don't store the trace number, so use 0. | stw ZERO, DISPATCH_GL(vmstate)(DISPATCH) | lwzx TRACE:TMP2, TMP1, RD - | clrso TMP1 + | mtxer ZERO | lp TMP2, TRACE:TMP2->mcode | stw BASE, DISPATCH_GL(jit_base)(DISPATCH) | mtctr TMP2 @@ -4994,7 +5389,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) } | |3: // Clear missing parameters. - | stwx TISNIL, BASE, NARGS8:RC + | stwx TISNIL, BASE_HI, NARGS8:RC | addi NARGS8:RC, NARGS8:RC, 8 | b <2 break; @@ -5011,11 +5406,11 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | lwz TMP2, L->maxstack | add TMP1, BASE, RC | add TMP0, RA, RC - | stw LFUNC:RB, 4(TMP1) // Store copy of LFUNC. + | stw LFUNC:RB, WORD_LO(TMP1) // Store copy of LFUNC. | addi TMP3, RC, 8+FRAME_VARG | lwz KBASE, -4+PC2PROTO(k)(PC) | cmplw TMP0, TMP2 - | stw TMP3, 0(TMP1) // Store delta + FRAME_VARG. + | stw TMP3, WORD_HI(TMP1) // Store delta + FRAME_VARG. | bge ->vm_growstack_l | lbz TMP2, -4+PC2PROTO(numparams)(PC) | mr RA, BASE @@ -5026,18 +5421,19 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) | beq >3 |1: | cmplw RA, RC // Less args than parameters? - | lwz TMP0, 0(RA) - | lwz TMP3, 4(RA) + | lwz TMP0, WORD_HI(RA) + | lwz TMP3, WORD_LO(RA) | bge >4 - | stw TISNIL, 0(RA) // Clear old fixarg slot (help the GC). + | stw TISNIL, WORD_HI(RA) // Clear old fixarg slot (help the GC). | addi RA, RA, 8 |2: | addic. TMP2, TMP2, -1 - | stw TMP0, 8(TMP1) - | stw TMP3, 12(TMP1) + | stw TMP0, WORD_HI+8(TMP1) + | stw TMP3, WORD_LO+8(TMP1) | addi TMP1, TMP1, 8 | bne <1 |3: + | addi BASEP4, BASE, 4 | ins_next2 | |4: // Clear missing parameters. @@ -5049,35 +5445,35 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop) case BC_FUNCCW: | // BASE = new base, RA = BASE+framesize*8, RB = CFUNC, RC = nargs*8 if (op == BC_FUNCC) { - | lp RD, CFUNC:RB->f + | lp FUNCREG, CFUNC:RB->f } else { - | lp RD, DISPATCH_GL(wrapf)(DISPATCH) + | lp FUNCREG, DISPATCH_GL(wrapf)(DISPATCH) } | add TMP1, RA, NARGS8:RC | lwz TMP2, L->maxstack - | .toc lp TMP3, 0(RD) + | .opd lp TMP3, 0(FUNCREG) | add RC, BASE, NARGS8:RC | stp BASE, L->base | cmplw TMP1, TMP2 | stp RC, L->top | li_vmstate C - |.if TOC + |.if OPD | mtctr TMP3 |.else - | mtctr RD + | mtctr FUNCREG |.endif if (op == BC_FUNCCW) { | lp CARG2, CFUNC:RB->f } | mr CARG1, L | bgt ->vm_growstack_c // Need to grow stack. - | .toc lp TOCREG, TOC_OFS(RD) - | .tocenv lp ENVREG, ENV_OFS(RD) + | .opd lp TOCREG, TOC_OFS(FUNCREG) + | .opdenv lp ENVREG, ENV_OFS(FUNCREG) | st_vmstate | bctrl // (lua_State *L [, lua_CFunction f]) + | .toc lp TOCREG, SAVE_TOC | // Returns nresults. | lp BASE, L->base - | .toc ld TOCREG, SAVE_TOC | slwi RD, CRET1, 3 | lp TMP1, L->top | li_vmstate INTERP @@ -5128,7 +5524,11 @@ static void emit_asm_debug(BuildCtx *ctx) "\t.byte 0x1\n" "\t.string \"\"\n" "\t.uleb128 0x1\n" +#if LJ_ARCH_PPC32ON64 + "\t.sleb128 -8\n" +#else "\t.sleb128 -4\n" +#endif "\t.byte 65\n" "\t.byte 0xc\n\t.uleb128 1\n\t.uleb128 0\n" "\t.align 2\n" @@ -5141,14 +5541,24 @@ static void emit_asm_debug(BuildCtx *ctx) "\t.long .Lbegin\n" "\t.long %d\n" "\t.byte 0xe\n\t.uleb128 %d\n" +#if LJ_ARCH_PPC32ON64 + "\t.byte 0x11\n\t.uleb128 65\n\t.sleb128 -2\n" + "\t.byte 0x11\n\t.uleb128 70\n\t.sleb128 -1\n", +#else "\t.byte 0x11\n\t.uleb128 65\n\t.sleb128 -1\n" "\t.byte 0x5\n\t.uleb128 70\n\t.uleb128 55\n", +#endif fcofs, CFRAME_SIZE); for (i = 14; i <= 31; i++) fprintf(ctx->fp, "\t.byte %d\n\t.uleb128 %d\n" "\t.byte %d\n\t.uleb128 %d\n", - 0x80+i, 37+(31-i), 0x80+32+i, 2+2*(31-i)); +#if LJ_ARCH_PPC32ON64 + 0x80+i, 19+(31-i), 0x80+32+i, 1+(31-i) +#else + 0x80+i, 37+(31-i), 0x80+32+i, 2+2*(31-i) +#endif + ); fprintf(ctx->fp, "\t.align 2\n" ".LEFDE0:\n\n"); @@ -5164,8 +5574,12 @@ static void emit_asm_debug(BuildCtx *ctx) "\t.long lj_vm_ffi_call\n" #endif "\t.long %d\n" +#if LJ_ARCH_PPC32ON64 + "\t.byte 0x11\n\t.uleb128 65\n\t.sleb128 -2\n" +#else "\t.byte 0x11\n\t.uleb128 65\n\t.sleb128 -1\n" - "\t.byte 0x8e\n\t.uleb128 2\n" +#endif + "\t.byte 0x8e\n\t.uleb128 1\n" "\t.byte 0xd\n\t.uleb128 0xe\n" "\t.align 2\n" ".LEFDE1:\n\n", (int)ctx->codesz - fcofs); @@ -5180,7 +5594,11 @@ static void emit_asm_debug(BuildCtx *ctx) "\t.byte 0x1\n" "\t.string \"zPR\"\n" "\t.uleb128 0x1\n" +#if LJ_ARCH_PPC32ON64 + "\t.sleb128 -8\n" +#else "\t.sleb128 -4\n" +#endif "\t.byte 65\n" "\t.uleb128 6\n" /* augmentation length */ "\t.byte 0x1b\n" /* pcrel|sdata4 */ @@ -5198,14 +5616,24 @@ static void emit_asm_debug(BuildCtx *ctx) "\t.long %d\n" "\t.uleb128 0\n" /* augmentation length */ "\t.byte 0xe\n\t.uleb128 %d\n" +#if LJ_ARCH_PPC32ON64 + "\t.byte 0x11\n\t.uleb128 65\n\t.sleb128 -2\n" + "\t.byte 0x11\n\t.uleb128 70\n\t.sleb128 -1\n", +#else "\t.byte 0x11\n\t.uleb128 65\n\t.sleb128 -1\n" "\t.byte 0x5\n\t.uleb128 70\n\t.uleb128 55\n", +#endif fcofs, CFRAME_SIZE); for (i = 14; i <= 31; i++) fprintf(ctx->fp, "\t.byte %d\n\t.uleb128 %d\n" "\t.byte %d\n\t.uleb128 %d\n", - 0x80+i, 37+(31-i), 0x80+32+i, 2+2*(31-i)); +#if LJ_ARCH_PPC32ON64 + 0x80+i, 19+(31-i), 0x80+32+i, 1+(31-i) +#else + 0x80+i, 37+(31-i), 0x80+32+i, 2+2*(31-i) +#endif + ); fprintf(ctx->fp, "\t.align 2\n" ".LEFDE2:\n\n"); @@ -5233,8 +5661,12 @@ static void emit_asm_debug(BuildCtx *ctx) "\t.long lj_vm_ffi_call-.\n" "\t.long %d\n" "\t.uleb128 0\n" /* augmentation length */ +#if LJ_ARCH_PPC32ON64 + "\t.byte 0x11\n\t.uleb128 65\n\t.sleb128 -2\n" +#else "\t.byte 0x11\n\t.uleb128 65\n\t.sleb128 -1\n" - "\t.byte 0x8e\n\t.uleb128 2\n" +#endif + "\t.byte 0x8e\n\t.uleb128 1\n" "\t.byte 0xd\n\t.uleb128 0xe\n" "\t.align 2\n" ".LEFDE3:\n\n", (int)ctx->codesz - fcofs);
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