mirror of https://git.ffmpeg.org/ffmpeg.git
x86inc: support stack mem allocation and re-alignment in PROLOGUE.
Use this in VP8/H264-8bit loopfilter functions so they can be used if there is no aligned stack (e.g. MSVC 32bit or ICC 10.x). Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Ronald S. Bultje
Michael Niedermayer
parent
82c0211213
commit
ce58642ed0
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@ -400,14 +400,12 @@ DEBLOCK_LUMA
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;-----------------------------------------------------------------------------
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; void deblock_v8_luma( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
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;-----------------------------------------------------------------------------
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cglobal deblock_%1_luma_8, 5,5
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cglobal deblock_%1_luma_8, 5,5,8,2*%2
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lea r4, [r1*3]
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dec r2 ; alpha-1
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neg r4
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dec r3 ; beta-1
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add r4, r0 ; pix-3*stride
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%assign pad 2*%2+12-(stack_offset&15)
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SUB esp, pad
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mova m0, [r4+r1] ; p1
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mova m1, [r4+2*r1] ; p0
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@ -445,22 +443,19 @@ cglobal deblock_%1_luma_8, 5,5
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DEBLOCK_P0_Q0
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mova [r4+2*r1], m1
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mova [r0], m2
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ADD esp, pad
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RET
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;-----------------------------------------------------------------------------
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; void deblock_h_luma( uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
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;-----------------------------------------------------------------------------
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INIT_MMX cpuname
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cglobal deblock_h_luma_8, 0,5
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cglobal deblock_h_luma_8, 0,5,8,0x60+HAVE_ALIGNED_STACK*12
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mov r0, r0mp
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mov r3, r1m
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lea r4, [r3*3]
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sub r0, 4
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lea r1, [r0+r4]
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%assign pad 0x78-(stack_offset&15)
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SUB esp, pad
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%define pix_tmp esp+12
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%define pix_tmp esp+12*HAVE_ALIGNED_STACK
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; transpose 6x16 -> tmp space
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TRANSPOSE6x8_MEM PASS8ROWS(r0, r1, r3, r4), pix_tmp
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@ -502,7 +497,6 @@ cglobal deblock_h_luma_8, 0,5
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movq m3, [pix_tmp+0x48]
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TRANSPOSE8x4B_STORE PASS8ROWS(r0, r1, r3, r4)
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ADD esp, pad
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RET
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%endmacro ; DEBLOCK_LUMA
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@ -635,7 +629,7 @@ DEBLOCK_LUMA v, 16
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%define mpb_0 m14
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%define mpb_1 m15
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%else
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%define spill(x) [esp+16*x+((stack_offset+4)&15)]
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%define spill(x) [esp+16*x]
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%define p2 [r4+r1]
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%define q2 [r0+2*r1]
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%define t4 spill(0)
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@ -650,10 +644,7 @@ DEBLOCK_LUMA v, 16
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;-----------------------------------------------------------------------------
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; void deblock_v_luma_intra( uint8_t *pix, int stride, int alpha, int beta )
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;-----------------------------------------------------------------------------
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cglobal deblock_%1_luma_intra_8, 4,6,16
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%if ARCH_X86_64 == 0
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sub esp, 0x60
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%endif
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cglobal deblock_%1_luma_intra_8, 4,6,16,ARCH_X86_64*0x50-0x50
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lea r4, [r1*4]
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lea r5, [r1*3] ; 3*stride
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dec r2d ; alpha-1
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@ -702,9 +693,6 @@ cglobal deblock_%1_luma_intra_8, 4,6,16
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LUMA_INTRA_SWAP_PQ
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LUMA_INTRA_P012 [r0], [r0+r1], [r0+2*r1], [r0+r5]
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.end:
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%if ARCH_X86_64 == 0
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add esp, 0x60
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%endif
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RET
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INIT_MMX cpuname
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@ -741,12 +729,10 @@ cglobal deblock_h_luma_intra_8, 4,9
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add rsp, 0x88
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RET
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%else
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cglobal deblock_h_luma_intra_8, 2,4
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cglobal deblock_h_luma_intra_8, 2,4,8,0x80
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lea r3, [r1*3]
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sub r0, 4
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lea r2, [r0+r3]
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%assign pad 0x8c-(stack_offset&15)
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SUB rsp, pad
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%define pix_tmp rsp
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; transpose 8x16 -> tmp space
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@ -777,7 +763,6 @@ cglobal deblock_h_luma_intra_8, 2,4
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lea r0, [r0+r1*8]
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lea r2, [r2+r1*8]
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TRANSPOSE8x8_MEM PASS8ROWS(pix_tmp+8, pix_tmp+0x38, 0x10, 0x30), PASS8ROWS(r0, r2, r1, r3)
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ADD rsp, pad
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RET
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%endif ; ARCH_X86_64
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%endmacro ; DEBLOCK_LUMA_INTRA
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@ -276,18 +276,16 @@ void ff_h264dsp_init_x86(H264DSPContext *c, const int bit_depth,
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c->biweight_h264_pixels_tab[0] = ff_h264_biweight_16_sse2;
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c->biweight_h264_pixels_tab[1] = ff_h264_biweight_8_sse2;
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#if HAVE_ALIGNED_STACK
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c->h264_v_loop_filter_luma = ff_deblock_v_luma_8_sse2;
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c->h264_h_loop_filter_luma = ff_deblock_h_luma_8_sse2;
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c->h264_v_loop_filter_luma_intra = ff_deblock_v_luma_intra_8_sse2;
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c->h264_h_loop_filter_luma_intra = ff_deblock_h_luma_intra_8_sse2;
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#endif /* HAVE_ALIGNED_STACK */
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}
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if (EXTERNAL_SSSE3(mm_flags)) {
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c->biweight_h264_pixels_tab[0] = ff_h264_biweight_16_ssse3;
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c->biweight_h264_pixels_tab[1] = ff_h264_biweight_8_ssse3;
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}
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if (EXTERNAL_AVX(mm_flags) && HAVE_ALIGNED_STACK) {
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if (EXTERNAL_AVX(mm_flags)) {
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c->h264_v_loop_filter_luma = ff_deblock_v_luma_8_avx;
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c->h264_h_loop_filter_luma = ff_deblock_h_luma_8_avx;
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c->h264_v_loop_filter_luma_intra = ff_deblock_v_luma_intra_8_avx;
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@ -1631,28 +1631,31 @@ SIMPLE_LOOPFILTER h, 5
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;-----------------------------------------------------------------------------
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%macro INNER_LOOPFILTER 2
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%define stack_size 0
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%ifndef m8 ; stack layout: [0]=E, [1]=I, [2]=hev_thr
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%ifidn %1, v ; [3]=hev() result
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%define stack_size mmsize * -4
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%else ; h ; extra storage space for transposes
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%define stack_size mmsize * -5
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%endif
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%endif
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%if %2 == 8 ; chroma
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cglobal vp8_%1_loop_filter8uv_inner, 6, 6, 13, dst, dst8, stride, flimE, flimI, hevthr
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cglobal vp8_%1_loop_filter8uv_inner, 6, 6, 13, stack_size, dst, dst8, stride, flimE, flimI, hevthr
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%else ; luma
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cglobal vp8_%1_loop_filter16y_inner, 5, 5, 13, dst, stride, flimE, flimI, hevthr
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cglobal vp8_%1_loop_filter16y_inner, 5, 5, 13, stack_size, dst, stride, flimE, flimI, hevthr
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%endif
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%if cpuflag(ssse3)
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pxor m7, m7
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%endif
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%ifndef m8 ; stack layout: [0]=E, [1]=I, [2]=hev_thr
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%ifidn %1, v ; [3]=hev() result
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%assign pad 16 + mmsize * 4 - gprsize - (stack_offset & 15)
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%else ; h ; extra storage space for transposes
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%assign pad 16 + mmsize * 5 - gprsize - (stack_offset & 15)
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%endif
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%ifndef m8
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; splat function arguments
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SPLATB_REG m0, flimEq, m7 ; E
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SPLATB_REG m1, flimIq, m7 ; I
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SPLATB_REG m2, hevthrq, m7 ; hev_thresh
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SUB rsp, pad
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%define m_flimE [rsp]
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%define m_flimI [rsp+mmsize]
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%define m_hevthr [rsp+mmsize*2]
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@ -2082,12 +2085,10 @@ cglobal vp8_%1_loop_filter16y_inner, 5, 5, 13, dst, stride, flimE, flimI, hevthr
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dec cntrq
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jg .next8px
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%endif
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%endif
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%ifndef m8 ; sse2 on x86-32 or mmx/mmxext
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ADD rsp, pad
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%endif
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REP_RET
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%else ; mmsize == 16
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RET
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%endif
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%endmacro
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%if ARCH_X86_32
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@ -2122,31 +2123,34 @@ INNER_LOOPFILTER h, 8
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;-----------------------------------------------------------------------------
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%macro MBEDGE_LOOPFILTER 2
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%if %2 == 8 ; chroma
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cglobal vp8_%1_loop_filter8uv_mbedge, 6, 6, 15, dst1, dst8, stride, flimE, flimI, hevthr
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%else ; luma
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cglobal vp8_%1_loop_filter16y_mbedge, 5, 5, 15, dst1, stride, flimE, flimI, hevthr
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%endif
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%if cpuflag(ssse3)
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pxor m7, m7
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%endif
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%define stack_size 0
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%ifndef m8 ; stack layout: [0]=E, [1]=I, [2]=hev_thr
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%if mmsize == 16 ; [3]=hev() result
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; [4]=filter tmp result
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; [5]/[6] = p2/q2 backup
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; [7]=lim_res sign result
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%assign pad 16 + mmsize * 7 - gprsize - (stack_offset & 15)
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%define stack_size mmsize * -7
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%else ; 8 ; extra storage space for transposes
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%assign pad 16 + mmsize * 8 - gprsize - (stack_offset & 15)
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%define stack_size mmsize * -8
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%endif
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%endif
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%if %2 == 8 ; chroma
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cglobal vp8_%1_loop_filter8uv_mbedge, 6, 6, 15, stack_size, dst1, dst8, stride, flimE, flimI, hevthr
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%else ; luma
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cglobal vp8_%1_loop_filter16y_mbedge, 5, 5, 15, stack_size, dst1, stride, flimE, flimI, hevthr
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%endif
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%if cpuflag(ssse3)
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pxor m7, m7
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%endif
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%ifndef m8
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; splat function arguments
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SPLATB_REG m0, flimEq, m7 ; E
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SPLATB_REG m1, flimIq, m7 ; I
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SPLATB_REG m2, hevthrq, m7 ; hev_thresh
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SUB rsp, pad
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%define m_flimE [rsp]
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%define m_flimI [rsp+mmsize]
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%define m_hevthr [rsp+mmsize*2]
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@ -2740,12 +2744,10 @@ cglobal vp8_%1_loop_filter16y_mbedge, 5, 5, 15, dst1, stride, flimE, flimI, hevt
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dec cntrq
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jg .next8px
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%endif
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%endif
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%ifndef m8 ; sse2 on x86-32 or mmx/mmxext
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ADD rsp, pad
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%endif
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REP_RET
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%else ; mmsize == 16
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RET
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%endif
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%endmacro
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%if ARCH_X86_32
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@ -390,13 +390,11 @@ av_cold void ff_vp8dsp_init_x86(VP8DSPContext* c)
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c->vp8_v_loop_filter_simple = ff_vp8_v_loop_filter_simple_sse2;
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#if ARCH_X86_64 || HAVE_ALIGNED_STACK
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c->vp8_v_loop_filter16y_inner = ff_vp8_v_loop_filter16y_inner_sse2;
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c->vp8_v_loop_filter8uv_inner = ff_vp8_v_loop_filter8uv_inner_sse2;
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c->vp8_v_loop_filter16y = ff_vp8_v_loop_filter16y_mbedge_sse2;
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c->vp8_v_loop_filter8uv = ff_vp8_v_loop_filter8uv_mbedge_sse2;
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#endif
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}
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if (mm_flags & AV_CPU_FLAG_SSE2) {
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@ -404,13 +402,11 @@ av_cold void ff_vp8dsp_init_x86(VP8DSPContext* c)
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c->vp8_h_loop_filter_simple = ff_vp8_h_loop_filter_simple_sse2;
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#if ARCH_X86_64 || HAVE_ALIGNED_STACK
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c->vp8_h_loop_filter16y_inner = ff_vp8_h_loop_filter16y_inner_sse2;
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c->vp8_h_loop_filter8uv_inner = ff_vp8_h_loop_filter8uv_inner_sse2;
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c->vp8_h_loop_filter16y = ff_vp8_h_loop_filter16y_mbedge_sse2;
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c->vp8_h_loop_filter8uv = ff_vp8_h_loop_filter8uv_mbedge_sse2;
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#endif
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}
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if (mm_flags & AV_CPU_FLAG_SSSE3) {
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@ -424,7 +420,6 @@ av_cold void ff_vp8dsp_init_x86(VP8DSPContext* c)
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c->vp8_v_loop_filter_simple = ff_vp8_v_loop_filter_simple_ssse3;
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c->vp8_h_loop_filter_simple = ff_vp8_h_loop_filter_simple_ssse3;
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#if ARCH_X86_64 || HAVE_ALIGNED_STACK
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c->vp8_v_loop_filter16y_inner = ff_vp8_v_loop_filter16y_inner_ssse3;
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c->vp8_h_loop_filter16y_inner = ff_vp8_h_loop_filter16y_inner_ssse3;
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c->vp8_v_loop_filter8uv_inner = ff_vp8_v_loop_filter8uv_inner_ssse3;
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@ -434,17 +429,14 @@ av_cold void ff_vp8dsp_init_x86(VP8DSPContext* c)
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c->vp8_h_loop_filter16y = ff_vp8_h_loop_filter16y_mbedge_ssse3;
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c->vp8_v_loop_filter8uv = ff_vp8_v_loop_filter8uv_mbedge_ssse3;
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c->vp8_h_loop_filter8uv = ff_vp8_h_loop_filter8uv_mbedge_ssse3;
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#endif
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}
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if (mm_flags & AV_CPU_FLAG_SSE4) {
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c->vp8_idct_dc_add = ff_vp8_idct_dc_add_sse4;
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c->vp8_h_loop_filter_simple = ff_vp8_h_loop_filter_simple_sse4;
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#if ARCH_X86_64 || HAVE_ALIGNED_STACK
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c->vp8_h_loop_filter16y = ff_vp8_h_loop_filter16y_mbedge_sse4;
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c->vp8_h_loop_filter8uv = ff_vp8_h_loop_filter8uv_mbedge_sse4;
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#endif
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}
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#endif /* HAVE_YASM */
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}
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@ -130,7 +130,12 @@ CPUNOP amdnop
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; %1 = number of arguments. loads them from stack if needed.
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; %2 = number of registers used. pushes callee-saved regs if needed.
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; %3 = number of xmm registers used. pushes callee-saved xmm regs if needed.
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; %4 = list of names to define to registers
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; %4 = (optional) stack size to be allocated. If not aligned (x86-32 ICC 10.x,
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; MSVC or YMM), the stack will be manually aligned (to 16 or 32 bytes),
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; and an extra register will be allocated to hold the original stack
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; pointer (to not invalidate r0m etc.). To prevent the use of an extra
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; register as stack pointer, request a negative stack size.
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; %4+/%5+ = list of names to define to registers
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; PROLOGUE can also be invoked by adding the same options to cglobal
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; e.g.
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@ -166,11 +171,11 @@ CPUNOP amdnop
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%define r%1m %2d
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%define r%1mp %2
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%elif ARCH_X86_64 ; memory
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%define r%1m [rsp + stack_offset + %3]
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%define r%1mp qword r %+ %1 %+ m
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%define r%1m [rstk + stack_offset + %3]
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%define r%1mp qword r %+ %1m
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%else
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%define r%1m [esp + stack_offset + %3]
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%define r%1mp dword r %+ %1 %+ m
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%define r%1m [rstk + stack_offset + %3]
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%define r%1mp dword r %+ %1m
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%endif
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%define r%1 %2
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%endmacro
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@ -231,12 +236,16 @@ DECLARE_REG_TMP_SIZE 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14
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%macro PUSH 1
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push %1
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%assign stack_offset stack_offset+gprsize
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%ifidn rstk, rsp
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%assign stack_offset stack_offset+gprsize
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%endif
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%endmacro
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%macro POP 1
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pop %1
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%assign stack_offset stack_offset-gprsize
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%ifidn rstk, rsp
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%assign stack_offset stack_offset-gprsize
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%endif
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%endmacro
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%macro PUSH_IF_USED 1-*
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@ -268,14 +277,14 @@ DECLARE_REG_TMP_SIZE 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14
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%macro SUB 2
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sub %1, %2
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%ifidn %1, rsp
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%ifidn %1, rstk
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%assign stack_offset stack_offset+(%2)
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%endif
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%endmacro
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%macro ADD 2
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add %1, %2
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%ifidn %1, rsp
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%ifidn %1, rstk
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%assign stack_offset stack_offset-(%2)
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%endif
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%endmacro
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|
|
@ -333,6 +342,73 @@ DECLARE_REG_TMP_SIZE 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14
|
|||
%assign n_arg_names %0
|
||||
%endmacro
|
||||
|
||||
%macro ALLOC_STACK 1-2 0 ; stack_size, n_xmm_regs (for win64 only)
|
||||
%ifnum %1
|
||||
%if %1 != 0
|
||||
%assign %%stack_alignment ((mmsize + 15) & ~15)
|
||||
%assign stack_size %1
|
||||
%if stack_size < 0
|
||||
%assign stack_size -stack_size
|
||||
%endif
|
||||
%assign xmm_regs_used %2
|
||||
%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
|
||||
%assign stack_size_padded stack_size_padded + (xmm_regs_used - 6) * 16
|
||||
%endif
|
||||
SUB rsp, stack_size_padded
|
||||
%else
|
||||
%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
|
||||
; rsp, [rsp+stack_size_padded])
|
||||
mov rstk, rsp
|
||||
%assign stack_size_padded stack_size
|
||||
%if xmm_regs_used > 6
|
||||
%assign stack_size_padded stack_size_padded + (xmm_regs_used - 6) * 16
|
||||
%endif
|
||||
%if %1 < 0 ; need to store rsp on stack
|
||||
sub rsp, gprsize+stack_size_padded
|
||||
and rsp, ~(%%stack_alignment-1)
|
||||
%xdefine rstkm [rsp+stack_size_padded]
|
||||
mov rstkm, rstk
|
||||
%else ; can keep rsp in rstk during whole function
|
||||
sub rsp, stack_size_padded
|
||||
and rsp, ~(%%stack_alignment-1)
|
||||
%xdefine rstkm rstk
|
||||
%endif
|
||||
%endif
|
||||
%if xmm_regs_used > 6
|
||||
WIN64_PUSH_XMM
|
||||
%endif
|
||||
%endif
|
||||
%endif
|
||||
%endmacro
|
||||
|
||||
%macro SETUP_STACK_POINTER 1
|
||||
%ifnum %1
|
||||
%if %1 != 0 && (HAVE_ALIGNED_STACK == 0 || mmsize == 32)
|
||||
%if %1 > 0
|
||||
%assign regs_used (regs_used + 1)
|
||||
%elif ARCH_X86_64 && regs_used == num_args && num_args <= 4 + UNIX64 * 2
|
||||
%warning "Stack pointer will overwrite register argument"
|
||||
%endif
|
||||
%endif
|
||||
%endif
|
||||
%endmacro
|
||||
|
||||
%macro DEFINE_ARGS_INTERNAL 3+
|
||||
%ifnum %2
|
||||
DEFINE_ARGS %3
|
||||
%elif %1 == 4
|
||||
DEFINE_ARGS %2
|
||||
%elif %1 > 4
|
||||
DEFINE_ARGS %2, %3
|
||||
%endif
|
||||
%endmacro
|
||||
|
||||
%if WIN64 ; Windows x64 ;=================================================
|
||||
|
||||
DECLARE_REG 0, rcx
|
||||
|
|
@ -351,31 +427,37 @@ DECLARE_REG 12, R13, 104
|
|||
DECLARE_REG 13, R14, 112
|
||||
DECLARE_REG 14, R15, 120
|
||||
|
||||
%macro PROLOGUE 2-4+ 0 ; #args, #regs, #xmm_regs, arg_names...
|
||||
%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
|
||||
ASSERT regs_used <= 15
|
||||
PUSH_IF_USED 7, 8, 9, 10, 11, 12, 13, 14
|
||||
%if mmsize == 8
|
||||
%assign xmm_regs_used 0
|
||||
%else
|
||||
%assign xmm_regs_used 0
|
||||
ALLOC_STACK %4, %3
|
||||
%if mmsize != 8 && stack_size == 0
|
||||
WIN64_SPILL_XMM %3
|
||||
%endif
|
||||
LOAD_IF_USED 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
|
||||
DEFINE_ARGS %4
|
||||
DEFINE_ARGS_INTERNAL %0, %4, %5
|
||||
%endmacro
|
||||
|
||||
%macro WIN64_PUSH_XMM 0
|
||||
%assign %%i xmm_regs_used
|
||||
%rep (xmm_regs_used-6)
|
||||
%assign %%i %%i-1
|
||||
movdqa [rsp + (%%i-6)*16 + stack_size], xmm %+ %%i
|
||||
%endrep
|
||||
%endmacro
|
||||
|
||||
%macro WIN64_SPILL_XMM 1
|
||||
%assign xmm_regs_used %1
|
||||
ASSERT xmm_regs_used <= 16
|
||||
%if xmm_regs_used > 6
|
||||
SUB rsp, (xmm_regs_used-6)*16+16
|
||||
%assign %%i xmm_regs_used
|
||||
%rep (xmm_regs_used-6)
|
||||
%assign %%i %%i-1
|
||||
movdqa [rsp + (%%i-6)*16+(~stack_offset&8)], xmm %+ %%i
|
||||
%endrep
|
||||
%assign stack_size_padded (xmm_regs_used-6)*16+16-gprsize-(stack_offset&15)
|
||||
SUB rsp, stack_size_padded
|
||||
WIN64_PUSH_XMM
|
||||
%endif
|
||||
%endmacro
|
||||
|
||||
|
|
@ -384,19 +466,25 @@ DECLARE_REG 14, R15, 120
|
|||
%assign %%i xmm_regs_used
|
||||
%rep (xmm_regs_used-6)
|
||||
%assign %%i %%i-1
|
||||
movdqa xmm %+ %%i, [%1 + (%%i-6)*16+(~stack_offset&8)]
|
||||
movdqa xmm %+ %%i, [%1 + (%%i-6)*16+stack_size]
|
||||
%endrep
|
||||
add %1, (xmm_regs_used-6)*16+16
|
||||
%endif
|
||||
%if stack_size_padded > 0
|
||||
%if stack_size > 0 && (mmsize == 32 || HAVE_ALIGNED_STACK == 0)
|
||||
mov rsp, rstkm
|
||||
%else
|
||||
add %1, stack_size_padded
|
||||
%endif
|
||||
%endif
|
||||
%endmacro
|
||||
|
||||
%macro WIN64_RESTORE_XMM 1
|
||||
WIN64_RESTORE_XMM_INTERNAL %1
|
||||
%assign stack_offset stack_offset-(xmm_regs_used-6)*16+16
|
||||
%assign stack_offset (stack_offset-stack_size_padded)
|
||||
%assign xmm_regs_used 0
|
||||
%endmacro
|
||||
|
||||
%define has_epilogue regs_used > 7 || xmm_regs_used > 6 || mmsize == 32
|
||||
%define has_epilogue regs_used > 7 || xmm_regs_used > 6 || mmsize == 32 || stack_size > 0
|
||||
|
||||
%macro RET 0
|
||||
WIN64_RESTORE_XMM_INTERNAL rsp
|
||||
|
|
@ -425,19 +513,28 @@ DECLARE_REG 12, R13, 56
|
|||
DECLARE_REG 13, R14, 64
|
||||
DECLARE_REG 14, R15, 72
|
||||
|
||||
%macro PROLOGUE 2-4+ ; #args, #regs, #xmm_regs, arg_names...
|
||||
%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
|
||||
ASSERT regs_used <= 15
|
||||
PUSH_IF_USED 9, 10, 11, 12, 13, 14
|
||||
ALLOC_STACK %4
|
||||
LOAD_IF_USED 6, 7, 8, 9, 10, 11, 12, 13, 14
|
||||
DEFINE_ARGS %4
|
||||
DEFINE_ARGS_INTERNAL %0, %4, %5
|
||||
%endmacro
|
||||
|
||||
%define has_epilogue regs_used > 9 || mmsize == 32
|
||||
%define has_epilogue regs_used > 9 || mmsize == 32 || stack_size > 0
|
||||
|
||||
%macro RET 0
|
||||
%if stack_size_padded > 0
|
||||
%if mmsize == 32 || HAVE_ALIGNED_STACK == 0
|
||||
mov rsp, rstkm
|
||||
%else
|
||||
add rsp, stack_size_padded
|
||||
%endif
|
||||
%endif
|
||||
POP_IF_USED 14, 13, 12, 11, 10, 9
|
||||
%if mmsize == 32
|
||||
vzeroupper
|
||||
|
|
@ -458,7 +555,7 @@ DECLARE_REG 6, ebp, 28
|
|||
|
||||
%macro DECLARE_ARG 1-*
|
||||
%rep %0
|
||||
%define r%1m [esp + stack_offset + 4*%1 + 4]
|
||||
%define r%1m [rstk + stack_offset + 4*%1 + 4]
|
||||
%define r%1mp dword r%1m
|
||||
%rotate 1
|
||||
%endrep
|
||||
|
|
@ -466,24 +563,31 @@ DECLARE_REG 6, ebp, 28
|
|||
|
||||
DECLARE_ARG 7, 8, 9, 10, 11, 12, 13, 14
|
||||
|
||||
%macro PROLOGUE 2-4+ ; #args, #regs, #xmm_regs, arg_names...
|
||||
%macro PROLOGUE 2-5+ ; #args, #regs, #xmm_regs, [stack_size,] arg_names...
|
||||
%assign num_args %1
|
||||
%assign regs_used %2
|
||||
%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
|
||||
DEFINE_ARGS %4
|
||||
DEFINE_ARGS_INTERNAL %0, %4, %5
|
||||
%endmacro
|
||||
|
||||
%define has_epilogue regs_used > 3 || mmsize == 32
|
||||
%define has_epilogue regs_used > 3 || mmsize == 32 || stack_size > 0
|
||||
|
||||
%macro RET 0
|
||||
%if stack_size_padded > 0
|
||||
%if mmsize == 32 || HAVE_ALIGNED_STACK == 0
|
||||
mov rsp, rstkm
|
||||
%else
|
||||
add rsp, stack_size_padded
|
||||
%endif
|
||||
%endif
|
||||
POP_IF_USED 6, 5, 4, 3
|
||||
%if mmsize == 32
|
||||
vzeroupper
|
||||
|
|
@ -498,6 +602,8 @@ DECLARE_ARG 7, 8, 9, 10, 11, 12, 13, 14
|
|||
%endmacro
|
||||
%macro WIN64_RESTORE_XMM 1
|
||||
%endmacro
|
||||
%macro WIN64_PUSH_XMM 0
|
||||
%endmacro
|
||||
%endif
|
||||
|
||||
%macro REP_RET 0
|
||||
|
|
@ -527,8 +633,12 @@ 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]
|
||||
%macro cglobal 1-2+ ; name, [PROLOGUE args]
|
||||
%if %0 == 1
|
||||
cglobal_internal %1 %+ SUFFIX
|
||||
%else
|
||||
cglobal_internal %1 %+ SUFFIX, %2
|
||||
%endif
|
||||
%endmacro
|
||||
%macro cglobal_internal 1-2+
|
||||
%ifndef cglobaled_%1
|
||||
|
|
@ -545,8 +655,11 @@ DECLARE_ARG 7, 8, 9, 10, 11, 12, 13, 14
|
|||
align function_align
|
||||
%1:
|
||||
RESET_MM_PERMUTATION ; not really needed, but makes disassembly somewhat nicer
|
||||
%xdefine rstk rsp
|
||||
%assign stack_offset 0
|
||||
%ifnidn %2, ""
|
||||
%assign stack_size 0
|
||||
%assign stack_size_padded 0
|
||||
%if %0 > 1
|
||||
PROLOGUE %2
|
||||
%endif
|
||||
%endmacro
|
||||
|
|
|
|||
Loading…
Reference in New Issue