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lavc: merge latest x86inc.asm fixes with x264

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Unbreak NASM support.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Ronald S. Bultje 2012-12-18 17:02:31 -08:00 committed by Luca Barbato
parent acb571c89a
commit a34d9ad969
1 changed files with 20 additions and 13 deletions
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33
libavutil/x86/x86inc.asm
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@ -331,7 +331,9 @@ DECLARE_REG_TMP_SIZE 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14
%if stack_size < 0
%assign stack_size -stack_size
%endif
%assign xmm_regs_used %2
%if mmsize != 8
%assign xmm_regs_used %2
%endif
%if mmsize <= 16 && HAVE_ALIGNED_STACK
%assign stack_size_padded stack_size + %%stack_alignment - gprsize - (stack_offset & (%%stack_alignment - 1))
%if xmm_regs_used > 6
@ -339,8 +341,8 @@ DECLARE_REG_TMP_SIZE 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14
%endif
SUB rsp, stack_size_padded
%else
%assign reg_num (regs_used - 1)
%xdefine rstk r %+ reg_num
%assign %%reg_num (regs_used - 1)
%xdefine rstk r %+ %%reg_num
; align stack, and save original stack location directly above
; it, i.e. in [rsp+stack_size_padded], so we can restore the
; stack in a single instruction (i.e. mov rsp, rstk or mov
@ -349,6 +351,10 @@ DECLARE_REG_TMP_SIZE 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14
%assign stack_size_padded stack_size
%if xmm_regs_used > 6
%assign stack_size_padded stack_size_padded + (xmm_regs_used - 6) * 16
%if mmsize == 32 && xmm_regs_used & 1
; re-align to 32 bytes
%assign stack_size_padded (stack_size_padded + 16)
%endif
%endif
%if %1 < 0 ; need to store rsp on stack
sub rsp, gprsize+stack_size_padded
@ -411,11 +417,10 @@ DECLARE_REG 14, R15, 120
%macro PROLOGUE 2-5+ 0 ; #args, #regs, #xmm_regs, [stack_size,] arg_names...
%assign num_args %1
%assign regs_used %2
SETUP_STACK_POINTER %4
ASSERT regs_used >= num_args
SETUP_STACK_POINTER %4
ASSERT regs_used <= 15
PUSH_IF_USED 7, 8, 9, 10, 11, 12, 13, 14
%assign xmm_regs_used 0
ALLOC_STACK %4, %3
%if mmsize != 8 && stack_size == 0
WIN64_SPILL_XMM %3
@ -499,8 +504,8 @@ DECLARE_REG 14, R15, 72
%macro PROLOGUE 2-5+ ; #args, #regs, #xmm_regs, [stack_size,] arg_names...
%assign num_args %1
%assign regs_used %2
SETUP_STACK_POINTER %4
ASSERT regs_used >= num_args
SETUP_STACK_POINTER %4
ASSERT regs_used <= 15
PUSH_IF_USED 9, 10, 11, 12, 13, 14
ALLOC_STACK %4
@ -549,12 +554,15 @@ DECLARE_ARG 7, 8, 9, 10, 11, 12, 13, 14
%macro PROLOGUE 2-5+ ; #args, #regs, #xmm_regs, [stack_size,] arg_names...
%assign num_args %1
%assign regs_used %2
ASSERT regs_used >= num_args
%if num_args > 7
%assign num_args 7
%endif
%if regs_used > 7
%assign regs_used 7
%endif
SETUP_STACK_POINTER %4
ASSERT regs_used <= 7
ASSERT regs_used >= num_args
PUSH_IF_USED 3, 4, 5, 6
ALLOC_STACK %4
LOAD_IF_USED 0, 1, 2, 3, 4, 5, 6
@ -616,12 +624,10 @@ DECLARE_ARG 7, 8, 9, 10, 11, 12, 13, 14
; Applies any symbol mangling needed for C linkage, and sets up a define such that
; subsequent uses of the function name automatically refer to the mangled version.
; Appends cpuflags to the function name if cpuflags has been specified.
%macro cglobal 1-2+ ; name, [PROLOGUE args]
%if %0 == 1
cglobal_internal %1 %+ SUFFIX
%else
%macro cglobal 1-2+ "" ; name, [PROLOGUE args]
; the "" is a workaround for nasm, which fails if SUFFIX is empty
; and we call cglobal_internal with just %1 %+ SUFFIX (without %2)
cglobal_internal %1 %+ SUFFIX, %2
%endif
%endmacro
%macro cglobal_internal 1-2+
%ifndef cglobaled_%1
@ -642,7 +648,8 @@ DECLARE_ARG 7, 8, 9, 10, 11, 12, 13, 14
%assign stack_offset 0
%assign stack_size 0
%assign stack_size_padded 0
%if %0 > 1
%assign xmm_regs_used 0
%ifnidn %2, ""
PROLOGUE %2
%endif
%endmacro