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erlang
0460-erts-Do-not-use-named-no_cpuid-label-in-as...
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File 0460-erts-Do-not-use-named-no_cpuid-label-in-asm.patch of Package erlang
From eb0f74a6281eb7498d36a2ed5d15c442057aa1b2 Mon Sep 17 00:00:00 2001 From: "Matwey V. Kornilov" <matwey.kornilov@gmail.com> Date: Fri, 26 Jul 2019 20:26:37 +0300 Subject: [PATCH] erts: Do not use named no_cpuid label in asm Ask compiler to generate unique label name. Using named label has implications on optimizer, that may lead to the compilation errors as the following: pthread/ethread.c: Assembler messages: pthread/ethread.c:213: Error: symbol `no_cpuid' is already defined pthread/ethread.c:213: Error: symbol `no_cpuid' is already defined pthread/ethread.c:213: Error: symbol `no_cpuid' is already defined --- erts/lib_src/pthread/ethread.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/erts/lib_src/pthread/ethread.c b/erts/lib_src/pthread/ethread.c index b4b12fcd86..b567ed81b0 100644 --- a/erts/lib_src/pthread/ethread.c +++ b/erts/lib_src/pthread/ethread.c @@ -208,9 +208,9 @@ ethr_x86_cpuid__(int *eax, int *ebx, int *ecx, int *edx) "popl %%eax\n\t" "movl $0x0, %0\n\t" "xorl %%ecx, %%eax\n\t" - "jz no_cpuid\n\t" + "jz 1f\n\t" "movl $0x1, %0\n\t" - "no_cpuid:\n\t" + "1:\n\t" : "=r"(have_cpuid) : : "%eax", "%ecx", "cc"); -- 2.16.4
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