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Use vzeroall in haswell micro-kernels.

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This commit is contained in:
Field G. Van Zee
2015-10-21 14:53:17 -05:00
parent ef0fbbbdb6
commit b489152e11
2 changed files with 8 additions and 48 deletions
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28
kernels/x86_64/avx2/3/bli_gemm_asm_d12x4.c
View File

@@ -84,6 +84,8 @@ void bli_sgemm_asm_24x4(
__asm__ volatile
(
" \n\t"
"vzeroall \n\t" // zero all xmm/ymm registers.
" \n\t"
" \n\t"
"movq %2, %%rax \n\t" // load address of a.
"movq %3, %%rbx \n\t" // load address of b.
@@ -104,18 +106,6 @@ void bli_sgemm_asm_24x4(
"prefetcht0 7 * 4(%%rcx,%%rdi,2) \n\t" // prefetch c + 2*cs_c
"prefetcht0 7 * 4(%%rcx,%%r13) \n\t" // prefetch c + 3*cs_c
" \n\t"
"vxorps %%ymm4, %%ymm4, %%ymm4 \n\t"
"vxorps %%ymm5, %%ymm5, %%ymm5 \n\t"
"vxorps %%ymm6, %%ymm6, %%ymm6 \n\t"
"vxorps %%ymm7, %%ymm7, %%ymm7 \n\t"
"vxorps %%ymm8, %%ymm8, %%ymm8 \n\t"
"vxorps %%ymm9, %%ymm9, %%ymm9 \n\t"
"vxorps %%ymm10, %%ymm10, %%ymm10 \n\t"
"vxorps %%ymm11, %%ymm11, %%ymm11 \n\t"
"vxorps %%ymm12, %%ymm12, %%ymm12 \n\t"
"vxorps %%ymm13, %%ymm13, %%ymm13 \n\t"
"vxorps %%ymm14, %%ymm14, %%ymm14 \n\t"
"vxorps %%ymm15, %%ymm15, %%ymm15 \n\t"
" \n\t"
" \n\t"
" \n\t"
@@ -711,6 +701,8 @@ void bli_dgemm_asm_12x4(
__asm__ volatile
(
" \n\t"
"vzeroall \n\t" // zero all xmm/ymm registers.
" \n\t"
" \n\t"
"movq %2, %%rax \n\t" // load address of a.
"movq %3, %%rbx \n\t" // load address of b.
@@ -731,18 +723,6 @@ void bli_dgemm_asm_12x4(
"prefetcht0 7 * 8(%%rcx,%%rdi,2) \n\t" // prefetch c + 2*cs_c
"prefetcht0 7 * 8(%%rcx,%%r13) \n\t" // prefetch c + 3*cs_c
" \n\t"
"vxorpd %%ymm4, %%ymm4, %%ymm4 \n\t"
"vxorpd %%ymm5, %%ymm5, %%ymm5 \n\t"
"vxorpd %%ymm6, %%ymm6, %%ymm6 \n\t"
"vxorpd %%ymm7, %%ymm7, %%ymm7 \n\t"
"vxorpd %%ymm8, %%ymm8, %%ymm8 \n\t"
"vxorpd %%ymm9, %%ymm9, %%ymm9 \n\t"
"vxorpd %%ymm10, %%ymm10, %%ymm10 \n\t"
"vxorpd %%ymm11, %%ymm11, %%ymm11 \n\t"
"vxorpd %%ymm12, %%ymm12, %%ymm12 \n\t"
"vxorpd %%ymm13, %%ymm13, %%ymm13 \n\t"
"vxorpd %%ymm14, %%ymm14, %%ymm14 \n\t"
"vxorpd %%ymm15, %%ymm15, %%ymm15 \n\t"
" \n\t"
" \n\t"
" \n\t"

28
kernels/x86_64/avx2/3/bli_gemm_asm_d8x6.c
View File

@@ -84,6 +84,8 @@ void bli_sgemm_asm_16x6(
__asm__ volatile
(
" \n\t"
"vzeroall \n\t" // zero all xmm/ymm registers.
" \n\t"
" \n\t"
"movq %2, %%rax \n\t" // load address of a.
"movq %3, %%rbx \n\t" // load address of b.
@@ -107,18 +109,6 @@ void bli_sgemm_asm_16x6(
"prefetcht0 7 * 8(%%rdx,%%rdi) \n\t" // prefetch c + 4*cs_c
"prefetcht0 7 * 8(%%rdx,%%rdi,2) \n\t" // prefetch c + 5*cs_c
" \n\t"
"vxorps %%ymm4, %%ymm4, %%ymm4 \n\t"
"vxorps %%ymm5, %%ymm5, %%ymm5 \n\t"
"vxorps %%ymm6, %%ymm6, %%ymm6 \n\t"
"vxorps %%ymm7, %%ymm7, %%ymm7 \n\t"
"vxorps %%ymm8, %%ymm8, %%ymm8 \n\t"
"vxorps %%ymm9, %%ymm9, %%ymm9 \n\t"
"vxorps %%ymm10, %%ymm10, %%ymm10 \n\t"
"vxorps %%ymm11, %%ymm11, %%ymm11 \n\t"
"vxorps %%ymm12, %%ymm12, %%ymm12 \n\t"
"vxorps %%ymm13, %%ymm13, %%ymm13 \n\t"
"vxorps %%ymm14, %%ymm14, %%ymm14 \n\t"
"vxorps %%ymm15, %%ymm15, %%ymm15 \n\t"
" \n\t"
" \n\t"
" \n\t"
@@ -705,6 +695,8 @@ void bli_dgemm_asm_8x6(
__asm__ volatile
(
" \n\t"
"vzeroall \n\t" // zero all xmm/ymm registers.
" \n\t"
" \n\t"
"movq %2, %%rax \n\t" // load address of a.
"movq %3, %%rbx \n\t" // load address of b.
@@ -728,18 +720,6 @@ void bli_dgemm_asm_8x6(
"prefetcht0 7 * 8(%%rdx,%%rdi) \n\t" // prefetch c + 4*cs_c
"prefetcht0 7 * 8(%%rdx,%%rdi,2) \n\t" // prefetch c + 5*cs_c
" \n\t"
"vxorpd %%ymm4, %%ymm4, %%ymm4 \n\t"
"vxorpd %%ymm5, %%ymm5, %%ymm5 \n\t"
"vxorpd %%ymm6, %%ymm6, %%ymm6 \n\t"
"vxorpd %%ymm7, %%ymm7, %%ymm7 \n\t"
"vxorpd %%ymm8, %%ymm8, %%ymm8 \n\t"
"vxorpd %%ymm9, %%ymm9, %%ymm9 \n\t"
"vxorpd %%ymm10, %%ymm10, %%ymm10 \n\t"
"vxorpd %%ymm11, %%ymm11, %%ymm11 \n\t"
"vxorpd %%ymm12, %%ymm12, %%ymm12 \n\t"
"vxorpd %%ymm13, %%ymm13, %%ymm13 \n\t"
"vxorpd %%ymm14, %%ymm14, %%ymm14 \n\t"
"vxorpd %%ymm15, %%ymm15, %%ymm15 \n\t"
" \n\t"
" \n\t"
" \n\t"