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| author | Henrik Gramner <henrik@gramner.com> | 2015-08-02 22:40:03 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2015-08-03 04:08:33 +0200 |
| commit | 127203ba5a0b9fab652a5095e52f3d247abc98e5 (patch) | |
| tree | f6e36c8bd641362c56879c57736d7912bb957a87 /libavutil | |
| parent | f151fbd9e58c7af6535efb342d868bf803afef34 (diff) | |
| download | ffmpeg-127203ba5a0b9fab652a5095e52f3d247abc98e5.tar.gz | |
x86inc: Various minor backports from x264
Reviewed-by: "Ronald S. Bultje" <rsbultje@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavutil')
| -rw-r--r-- | libavutil/x86/x86inc.asm | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/libavutil/x86/x86inc.asm b/libavutil/x86/x86inc.asm index 6820143f97..d4c5e698fa 100644 --- a/libavutil/x86/x86inc.asm +++ b/libavutil/x86/x86inc.asm @@ -1,7 +1,7 @@ ;***************************************************************************** ;* x86inc.asm: x264asm abstraction layer ;***************************************************************************** -;* Copyright (C) 2005-2013 x264 project +;* Copyright (C) 2005-2015 x264 project ;* ;* Authors: Loren Merritt <lorenm@u.washington.edu> ;* Anton Mitrofanov <BugMaster@narod.ru> @@ -56,6 +56,15 @@ %endif %endif +%define FORMAT_ELF 0 +%ifidn __OUTPUT_FORMAT__,elf + %define FORMAT_ELF 1 +%elifidn __OUTPUT_FORMAT__,elf32 + %define FORMAT_ELF 1 +%elifidn __OUTPUT_FORMAT__,elf64 + %define FORMAT_ELF 1 +%endif + %ifdef PREFIX %define mangle(x) _ %+ x %else @@ -678,7 +687,7 @@ BRANCH_INSTR jz, je, jnz, jne, jl, jle, jnl, jnle, jg, jge, jng, jnge, ja, jae, CAT_XDEFINE cglobaled_, %2, 1 %endif %xdefine current_function %2 - %ifidn __OUTPUT_FORMAT__,elf + %if FORMAT_ELF global %2:function %%VISIBILITY %else global %2 @@ -704,14 +713,16 @@ BRANCH_INSTR jz, je, jnz, jne, jl, jle, jnl, jnle, jg, jge, jng, jnge, ja, jae, ; like cextern, but without the prefix %macro cextern_naked 1 - %xdefine %1 mangle(%1) + %ifdef PREFIX + %xdefine %1 mangle(%1) + %endif CAT_XDEFINE cglobaled_, %1, 1 extern %1 %endmacro %macro const 1-2+ %xdefine %1 mangle(private_prefix %+ _ %+ %1) - %ifidn __OUTPUT_FORMAT__,elf + %if FORMAT_ELF global %1:data hidden %else global %1 @@ -719,10 +730,9 @@ BRANCH_INSTR jz, je, jnz, jne, jl, jle, jnl, jnle, jg, jge, jng, jnge, ja, jae, %1: %2 %endmacro -; This is needed for ELF, otherwise the GNU linker assumes the stack is -; executable by default. -%ifidn __OUTPUT_FORMAT__,elf -[section .note.GNU-stack noalloc noexec nowrite progbits] +; This is needed for ELF, otherwise the GNU linker assumes the stack is executable by default. +%if FORMAT_ELF + [SECTION .note.GNU-stack noalloc noexec nowrite progbits] %endif ; Overrides the default .text section. @@ -745,8 +755,8 @@ BRANCH_INSTR jz, je, jnz, jne, jl, jle, jnl, jnle, jg, jge, jng, jnge, ja, jae, %assign cpuflags_avx (1<<11)| cpuflags_sse42 %assign cpuflags_xop (1<<12)| cpuflags_avx %assign cpuflags_fma4 (1<<13)| cpuflags_avx -%assign cpuflags_avx2 (1<<14)| cpuflags_avx -%assign cpuflags_fma3 (1<<15)| cpuflags_avx +%assign cpuflags_fma3 (1<<14)| cpuflags_avx +%assign cpuflags_avx2 (1<<15)| cpuflags_fma3 %assign cpuflags_cache32 (1<<16) %assign cpuflags_cache64 (1<<17) @@ -795,7 +805,7 @@ BRANCH_INSTR jz, je, jnz, jne, jl, jle, jnl, jnle, jg, jge, jng, jnge, ja, jae, %endif %endif - %if cpuflag(sse2) + %if ARCH_X86_64 || cpuflag(sse2) CPUNOP amdnop %else CPUNOP basicnop |