File backport-llvm-r212703 of Package llvm
------------------------------------------------------------------------
r212703 | rsandifo | 2014-07-10 13:00:55 +0200 (Thu, 10 Jul 2014) | 5 lines
[SystemZ] Add MC support for LEDBRA, LEXBRA and LDXBRA
These instructions aren't used for codegen since the original L*DB instructions
are suitable for fround.
------------------------------------------------------------------------
Index: lib/Target/SystemZ/SystemZInstrFP.td
===================================================================
--- lib/Target/SystemZ/SystemZInstrFP.td.orig
+++ lib/Target/SystemZ/SystemZInstrFP.td
@@ -133,6 +133,13 @@ def LEDBR : UnaryRRE<"ledb", 0xB344, fro
def LEXBR : UnaryRRE<"lexb", 0xB346, null_frag, FP128, FP128>;
def LDXBR : UnaryRRE<"ldxb", 0xB345, null_frag, FP128, FP128>;
+def LEDBRA : UnaryRRF4<"ledbra", 0xB344, FP32, FP64>,
+ Requires<[FeatureFPExtension]>;
+def LEXBRA : UnaryRRF4<"lexbra", 0xB346, FP128, FP128>,
+ Requires<[FeatureFPExtension]>;
+def LDXBRA : UnaryRRF4<"ldxbra", 0xB345, FP128, FP128>,
+ Requires<[FeatureFPExtension]>;
+
def : Pat<(f32 (fround FP128:$src)),
(EXTRACT_SUBREG (LEXBR FP128:$src), subreg_hh32)>;
def : Pat<(f64 (fround FP128:$src)),
Index: test/MC/Disassembler/SystemZ/insns.txt
===================================================================
--- test/MC/Disassembler/SystemZ/insns.txt.orig
+++ test/MC/Disassembler/SystemZ/insns.txt
@@ -3355,6 +3355,24 @@
# CHECK: ldxbr %f13, %f13
0xb3 0x45 0x00 0xdd
+# CHECK: ldxbra %f0, 0, %f0, 1
+0xb3 0x45 0x01 0x00
+
+# CHECK: ldxbra %f0, 0, %f0, 15
+0xb3 0x45 0x0f 0x00
+
+# CHECK: ldxbra %f0, 0, %f13, 1
+0xb3 0x45 0x01 0x0d
+
+# CHECK: ldxbra %f0, 15, %f0, 1
+0xb3 0x45 0xf1 0x00
+
+# CHECK: ldxbra %f4, 5, %f8, 9
+0xb3 0x45 0x59 0x48
+
+# CHECK: ldxbra %f13, 0, %f0, 1
+0xb3 0x45 0x01 0xd0
+
# CHECK: ldy %f0, -524288
0xed 0x00 0x00 0x00 0x80 0x65
@@ -3400,6 +3418,24 @@
# CHECK: ledbr %f15, %f15
0xb3 0x44 0x00 0xff
+# CHECK: ledbra %f0, 0, %f0, 1
+0xb3 0x44 0x01 0x00
+
+# CHECK: ledbra %f0, 0, %f0, 15
+0xb3 0x44 0x0f 0x00
+
+# CHECK: ledbra %f0, 0, %f15, 1
+0xb3 0x44 0x01 0x0f
+
+# CHECK: ledbra %f0, 15, %f0, 1
+0xb3 0x44 0xf1 0x00
+
+# CHECK: ledbra %f4, 5, %f6, 7
+0xb3 0x44 0x57 0x46
+
+# CHECK: ledbra %f15, 0, %f0, 1
+0xb3 0x44 0x01 0xf0
+
# CHECK: ler %f0, %f9
0x38 0x09
@@ -3448,6 +3484,24 @@
# CHECK: lexbr %f13, %f13
0xb3 0x46 0x00 0xdd
+# CHECK: lexbra %f0, 0, %f0, 1
+0xb3 0x46 0x01 0x00
+
+# CHECK: lexbra %f0, 0, %f0, 15
+0xb3 0x46 0x0f 0x00
+
+# CHECK: lexbra %f0, 0, %f13, 1
+0xb3 0x46 0x01 0x0d
+
+# CHECK: lexbra %f0, 15, %f0, 1
+0xb3 0x46 0xf1 0x00
+
+# CHECK: lexbra %f4, 5, %f8, 9
+0xb3 0x46 0x59 0x48
+
+# CHECK: lexbra %f13, 0, %f0, 1
+0xb3 0x46 0x01 0xd0
+
# CHECK: ley %f0, -524288
0xed 0x00 0x00 0x00 0x80 0x64
Index: test/MC/SystemZ/insn-bad-z196.s
===================================================================
--- test/MC/SystemZ/insn-bad-z196.s.orig
+++ test/MC/SystemZ/insn-bad-z196.s
@@ -411,6 +411,60 @@
lbh %r0, 524288
#CHECK: error: invalid operand
+#CHECK: ldxbra %f0, 0, %f0, -1
+#CHECK: error: invalid operand
+#CHECK: ldxbra %f0, 0, %f0, 16
+#CHECK: error: invalid operand
+#CHECK: ldxbra %f0, -1, %f0, 0
+#CHECK: error: invalid operand
+#CHECK: ldxbra %f0, 16, %f0, 0
+#CHECK: error: invalid register pair
+#CHECK: ldxbra %f0, 0, %f2, 0
+#CHECK: error: invalid register pair
+#CHECK: ldxbra %f2, 0, %f0, 0
+
+ ldxbra %f0, 0, %f0, -1
+ ldxbra %f0, 0, %f0, 16
+ ldxbra %f0, -1, %f0, 0
+ ldxbra %f0, 16, %f0, 0
+ ldxbra %f0, 0, %f2, 0
+ ldxbra %f2, 0, %f0, 0
+
+#CHECK: error: invalid operand
+#CHECK: ledbra %f0, 0, %f0, -1
+#CHECK: error: invalid operand
+#CHECK: ledbra %f0, 0, %f0, 16
+#CHECK: error: invalid operand
+#CHECK: ledbra %f0, -1, %f0, 0
+#CHECK: error: invalid operand
+#CHECK: ledbra %f0, 16, %f0, 0
+
+ ledbra %f0, 0, %f0, -1
+ ledbra %f0, 0, %f0, 16
+ ledbra %f0, -1, %f0, 0
+ ledbra %f0, 16, %f0, 0
+
+#CHECK: error: invalid operand
+#CHECK: lexbra %f0, 0, %f0, -1
+#CHECK: error: invalid operand
+#CHECK: lexbra %f0, 0, %f0, 16
+#CHECK: error: invalid operand
+#CHECK: lexbra %f0, -1, %f0, 0
+#CHECK: error: invalid operand
+#CHECK: lexbra %f0, 16, %f0, 0
+#CHECK: error: invalid register pair
+#CHECK: lexbra %f0, 0, %f2, 0
+#CHECK: error: invalid register pair
+#CHECK: lexbra %f2, 0, %f0, 0
+
+ lexbra %f0, 0, %f0, -1
+ lexbra %f0, 0, %f0, 16
+ lexbra %f0, -1, %f0, 0
+ lexbra %f0, 16, %f0, 0
+ lexbra %f0, 0, %f2, 0
+ lexbra %f2, 0, %f0, 0
+
+#CHECK: error: invalid operand
#CHECK: lfh %r0, -524289
#CHECK: error: invalid operand
#CHECK: lfh %r0, 524288
Index: test/MC/SystemZ/insn-good-z196.s
===================================================================
--- test/MC/SystemZ/insn-good-z196.s.orig
+++ test/MC/SystemZ/insn-good-z196.s
@@ -675,6 +675,48 @@
lbh %r0, 524287(%r15,%r1)
lbh %r15, 0
+#CHECK: ldxbra %f0, 0, %f0, 0 # encoding: [0xb3,0x45,0x00,0x00]
+#CHECK: ldxbra %f0, 0, %f0, 15 # encoding: [0xb3,0x45,0x0f,0x00]
+#CHECK: ldxbra %f0, 0, %f13, 0 # encoding: [0xb3,0x45,0x00,0x0d]
+#CHECK: ldxbra %f0, 15, %f0, 0 # encoding: [0xb3,0x45,0xf0,0x00]
+#CHECK: ldxbra %f4, 5, %f8, 9 # encoding: [0xb3,0x45,0x59,0x48]
+#CHECK: ldxbra %f13, 0, %f0, 0 # encoding: [0xb3,0x45,0x00,0xd0]
+
+ ldxbra %f0, 0, %f0, 0
+ ldxbra %f0, 0, %f0, 15
+ ldxbra %f0, 0, %f13, 0
+ ldxbra %f0, 15, %f0, 0
+ ldxbra %f4, 5, %f8, 9
+ ldxbra %f13, 0, %f0, 0
+
+#CHECK: ledbra %f0, 0, %f0, 0 # encoding: [0xb3,0x44,0x00,0x00]
+#CHECK: ledbra %f0, 0, %f0, 15 # encoding: [0xb3,0x44,0x0f,0x00]
+#CHECK: ledbra %f0, 0, %f15, 0 # encoding: [0xb3,0x44,0x00,0x0f]
+#CHECK: ledbra %f0, 15, %f0, 0 # encoding: [0xb3,0x44,0xf0,0x00]
+#CHECK: ledbra %f4, 5, %f6, 7 # encoding: [0xb3,0x44,0x57,0x46]
+#CHECK: ledbra %f15, 0, %f0, 0 # encoding: [0xb3,0x44,0x00,0xf0]
+
+ ledbra %f0, 0, %f0, 0
+ ledbra %f0, 0, %f0, 15
+ ledbra %f0, 0, %f15, 0
+ ledbra %f0, 15, %f0, 0
+ ledbra %f4, 5, %f6, 7
+ ledbra %f15, 0, %f0, 0
+
+#CHECK: lexbra %f0, 0, %f0, 0 # encoding: [0xb3,0x46,0x00,0x00]
+#CHECK: lexbra %f0, 0, %f0, 15 # encoding: [0xb3,0x46,0x0f,0x00]
+#CHECK: lexbra %f0, 0, %f13, 0 # encoding: [0xb3,0x46,0x00,0x0d]
+#CHECK: lexbra %f0, 15, %f0, 0 # encoding: [0xb3,0x46,0xf0,0x00]
+#CHECK: lexbra %f4, 5, %f8, 9 # encoding: [0xb3,0x46,0x59,0x48]
+#CHECK: lexbra %f13, 0, %f0, 0 # encoding: [0xb3,0x46,0x00,0xd0]
+
+ lexbra %f0, 0, %f0, 0
+ lexbra %f0, 0, %f0, 15
+ lexbra %f0, 0, %f13, 0
+ lexbra %f0, 15, %f0, 0
+ lexbra %f4, 5, %f8, 9
+ lexbra %f13, 0, %f0, 0
+
#CHECK: lfh %r0, -524288 # encoding: [0xe3,0x00,0x00,0x00,0x80,0xca]
#CHECK: lfh %r0, -1 # encoding: [0xe3,0x00,0x0f,0xff,0xff,0xca]
#CHECK: lfh %r0, 0 # encoding: [0xe3,0x00,0x00,0x00,0x00,0xca]
Index: test/MC/SystemZ/insn-bad.s
===================================================================
--- test/MC/SystemZ/insn-bad.s.orig
+++ test/MC/SystemZ/insn-bad.s
@@ -1560,6 +1560,11 @@
ldxbr %f0, %f2
ldxbr %f2, %f0
+#CHECK: error: {{(instruction requires: fp-extension)?}}
+#CHECK: ldxbra %f0, 0, %f0, 0
+
+ ldxbra %f0, 0, %f0, 0
+
#CHECK: error: invalid operand
#CHECK: ldy %f0, -524289
#CHECK: error: invalid operand
@@ -1576,6 +1581,11 @@
le %f0, -1
le %f0, 4096
+#CHECK: error: {{(instruction requires: fp-extension)?}}
+#CHECK: ledbra %f0, 0, %f0, 0
+
+ ledbra %f0, 0, %f0, 0
+
#CHECK: error: invalid register pair
#CHECK: lexbr %f0, %f2
#CHECK: error: invalid register pair
@@ -1584,6 +1594,11 @@
lexbr %f0, %f2
lexbr %f2, %f0
+#CHECK: error: {{(instruction requires: fp-extension)?}}
+#CHECK: lexbra %f0, 0, %f0, 0
+
+ lexbra %f0, 0, %f0, 0
+
#CHECK: error: invalid operand
#CHECK: ley %f0, -524289
#CHECK: error: invalid operand
