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Merge commit 'bbe4a6db44f0b55b424a5cc9d3e89cd88e250450'
* commit 'bbe4a6db44f0b55b424a5cc9d3e89cd88e250450': x86inc: Utilize the shadow space on 64-bit Windows Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
commit
1f17619fe4
@ -672,13 +672,13 @@ cglobal imdct_calc, 3,5,3
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push r1
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push r0
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%else
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sub rsp, 8
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sub rsp, 8+32*WIN64 ; allocate win64 shadow space
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%endif
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call r4
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%if ARCH_X86_32
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add esp, 12
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%else
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add rsp, 8
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add rsp, 8+32*WIN64
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%endif
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POP r1
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POP r3
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@ -331,16 +331,14 @@ cglobal deblock_v_luma_8, 5,5,10
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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, 5,9
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cglobal deblock_h_luma_8, 5,9,0,0x60+16*WIN64
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movsxd r7, r1d
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lea r8, [r7+r7*2]
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lea r6, [r0-4]
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lea r5, [r0-4+r8]
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%if WIN64
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sub rsp, 0x98
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%define pix_tmp rsp+0x30
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%define pix_tmp rsp+0x30 ; shadow space + r4
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%else
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sub rsp, 0x68
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%define pix_tmp rsp
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%endif
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@ -379,11 +377,6 @@ cglobal deblock_h_luma_8, 5,9
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movq m3, [pix_tmp+0x40]
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TRANSPOSE8x4B_STORE PASS8ROWS(r6, r5, r7, r8)
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%if WIN64
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add rsp, 0x98
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%else
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add rsp, 0x68
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%endif
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RET
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%endmacro
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@ -708,13 +701,16 @@ INIT_MMX cpuname
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;-----------------------------------------------------------------------------
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; void deblock_h_luma_intra( uint8_t *pix, int stride, int alpha, int beta )
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;-----------------------------------------------------------------------------
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cglobal deblock_h_luma_intra_8, 4,9
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cglobal deblock_h_luma_intra_8, 4,9,0,0x80
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movsxd r7, r1d
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lea r8, [r7*3]
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lea r6, [r0-4]
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lea r5, [r0-4+r8]
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sub rsp, 0x88
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%if WIN64
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%define pix_tmp rsp+0x20 ; shadow space
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%else
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%define pix_tmp rsp
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%endif
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; transpose 8x16 -> tmp space
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TRANSPOSE8x8_MEM PASS8ROWS(r6, r5, r7, r8), PASS8ROWS(pix_tmp, pix_tmp+0x30, 0x10, 0x30)
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@ -734,7 +730,6 @@ cglobal deblock_h_luma_intra_8, 4,9
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sub r5, r7
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shr r7, 3
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TRANSPOSE8x8_MEM PASS8ROWS(pix_tmp, pix_tmp+0x30, 0x10, 0x30), PASS8ROWS(r6, r5, r7, r8)
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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, 2,4,8,0x80
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@ -353,14 +353,18 @@ DECLARE_REG_TMP_SIZE 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14
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%if stack_size < 0
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%assign stack_size -stack_size
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%endif
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%if mmsize != 8
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%assign xmm_regs_used %2
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%assign stack_size_padded stack_size
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%if WIN64
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%assign stack_size_padded stack_size_padded + 32 ; reserve 32 bytes for shadow space
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%if mmsize != 8
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%assign xmm_regs_used %2
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%if xmm_regs_used > 8
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%assign stack_size_padded stack_size_padded + (xmm_regs_used-8)*16
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%endif
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%endif
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%endif
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%if mmsize <= 16 && HAVE_ALIGNED_STACK
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%assign stack_size_padded stack_size + %%stack_alignment - gprsize - (stack_offset & (%%stack_alignment - 1))
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%if xmm_regs_used > 6
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%assign stack_size_padded stack_size_padded + (xmm_regs_used - 6) * 16
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%endif
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%assign stack_size_padded stack_size_padded + %%stack_alignment - gprsize - (stack_offset & (%%stack_alignment - 1))
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SUB rsp, stack_size_padded
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%else
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%assign %%reg_num (regs_used - 1)
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@ -370,14 +374,6 @@ DECLARE_REG_TMP_SIZE 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14
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; stack in a single instruction (i.e. mov rsp, rstk or mov
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; rsp, [rsp+stack_size_padded])
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mov rstk, rsp
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%assign stack_size_padded stack_size
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%if xmm_regs_used > 6
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%assign stack_size_padded stack_size_padded + (xmm_regs_used - 6) * 16
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%if mmsize == 32 && xmm_regs_used & 1
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; re-align to 32 bytes
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%assign stack_size_padded (stack_size_padded + 16)
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%endif
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%endif
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%if %1 < 0 ; need to store rsp on stack
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sub rsp, gprsize+stack_size_padded
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and rsp, ~(%%stack_alignment-1)
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@ -389,9 +385,7 @@ DECLARE_REG_TMP_SIZE 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14
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%xdefine rstkm rstk
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%endif
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%endif
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%if xmm_regs_used > 6
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WIN64_PUSH_XMM
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%endif
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WIN64_PUSH_XMM
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%endif
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%endif
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%endmacro
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@ -452,40 +446,55 @@ DECLARE_REG 14, R15, 120
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%endmacro
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%macro WIN64_PUSH_XMM 0
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%assign %%i xmm_regs_used
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%rep (xmm_regs_used-6)
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%assign %%i %%i-1
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movaps [rsp + (%%i-6)*16 + stack_size + (~stack_offset&8)], xmm %+ %%i
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%endrep
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; Use the shadow space to store XMM6 and XMM7, the rest needs stack space allocated.
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%if xmm_regs_used > 6
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movaps [rstk + stack_offset + 8], xmm6
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%endif
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%if xmm_regs_used > 7
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movaps [rstk + stack_offset + 24], xmm7
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%endif
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%if xmm_regs_used > 8
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%assign %%i 8
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%rep xmm_regs_used-8
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movaps [rsp + (%%i-8)*16 + stack_size + 32], xmm %+ %%i
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%assign %%i %%i+1
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%endrep
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%endif
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%endmacro
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%macro WIN64_SPILL_XMM 1
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%assign xmm_regs_used %1
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ASSERT xmm_regs_used <= 16
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%if xmm_regs_used > 6
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SUB rsp, (xmm_regs_used-6)*16+16
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WIN64_PUSH_XMM
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%if xmm_regs_used > 8
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%assign stack_size_padded (xmm_regs_used-8)*16 + (~stack_offset&8) + 32
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SUB rsp, stack_size_padded
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%endif
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WIN64_PUSH_XMM
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%endmacro
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%macro WIN64_RESTORE_XMM_INTERNAL 1
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%if xmm_regs_used > 6
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%assign %%pad_size 0
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%if xmm_regs_used > 8
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%assign %%i xmm_regs_used
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%rep (xmm_regs_used-6)
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%rep xmm_regs_used-8
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%assign %%i %%i-1
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movaps xmm %+ %%i, [%1 + (%%i-6)*16+stack_size+(~stack_offset&8)]
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movaps xmm %+ %%i, [%1 + (%%i-8)*16 + stack_size + 32]
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%endrep
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%if stack_size_padded == 0
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add %1, (xmm_regs_used-6)*16+16
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%endif
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%endif
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%if stack_size_padded > 0
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%if stack_size > 0 && (mmsize == 32 || HAVE_ALIGNED_STACK == 0)
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mov rsp, rstkm
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%else
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add %1, stack_size_padded
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%assign %%pad_size stack_size_padded
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%endif
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%endif
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%if xmm_regs_used > 7
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movaps xmm7, [%1 + stack_offset - %%pad_size + 24]
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%endif
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%if xmm_regs_used > 6
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movaps xmm6, [%1 + stack_offset - %%pad_size + 8]
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%endif
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%endmacro
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%macro WIN64_RESTORE_XMM 1
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@ -702,12 +711,12 @@ BRANCH_INSTR jz, je, jnz, jne, jl, jle, jnl, jnle, jg, jge, jng, jnge, ja, jae,
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%endif
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align function_align
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%2:
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RESET_MM_PERMUTATION ; not really needed, but makes disassembly somewhat nicer
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%xdefine rstk rsp
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%assign stack_offset 0
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%assign stack_size 0
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%assign stack_size_padded 0
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%assign xmm_regs_used 0
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RESET_MM_PERMUTATION ; needed for x86-64, also makes disassembly somewhat nicer
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%xdefine rstk rsp ; copy of the original stack pointer, used when greater alignment than the known stack alignment is required
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%assign stack_offset 0 ; stack pointer offset relative to the return address
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%assign stack_size 0 ; amount of stack space that can be freely used inside a function
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%assign stack_size_padded 0 ; total amount of allocated stack space, including space for callee-saved xmm registers on WIN64 and alignment padding
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%assign xmm_regs_used 0 ; number of XMM registers requested, used for dealing with callee-saved registers on WIN64
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%ifnidn %3, ""
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PROLOGUE %3
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%endif
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