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dgemv_n_microk_haswell: Use symbolic names for asm inputs to make the code more readable 

gcc assembly syntax supports symbolic names in addition to numeric parameter order;
it's generally more readable to have code use the symbolic names
This commit is contained in:
Arjan van de Ven 2018-08-04 14:44:04 +00:00
parent 9e65430504
commit 350531e76a
1 changed files with 30 additions and 30 deletions
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60
kernel/x86_64/dgemv_n_microk_haswell-4.c
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@ -37,19 +37,19 @@ static void dgemv_kernel_4x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT
__asm__ __volatile__
(
"vbroadcastsd (%2), %%ymm12 \n\t" // x0
"vbroadcastsd 8(%2), %%ymm13 \n\t" // x1
"vbroadcastsd 16(%2), %%ymm14 \n\t" // x2
"vbroadcastsd 24(%2), %%ymm15 \n\t" // x3
"vbroadcastsd (%[x]), %%ymm12 \n\t" // x0
"vbroadcastsd 8(%[x]), %%ymm13 \n\t" // x1
"vbroadcastsd 16(%[x]), %%ymm14 \n\t" // x2
"vbroadcastsd 24(%[x]), %%ymm15 \n\t" // x3
"vmovups (%4,%0,8), %%ymm0 \n\t"
"vmovups (%5,%0,8), %%ymm1 \n\t"
"vmovups (%6,%0,8), %%ymm2 \n\t"
"vmovups (%7,%0,8), %%ymm3 \n\t"
"vbroadcastsd (%8), %%ymm6 \n\t" // alpha
"vmovups (%[ap0],%[i],8), %%ymm0 \n\t"
"vmovups (%[ap1],%[i],8), %%ymm1 \n\t"
"vmovups (%[ap2],%[i],8), %%ymm2 \n\t"
"vmovups (%[ap3],%[i],8), %%ymm3 \n\t"
"vbroadcastsd (%[alpha]), %%ymm6 \n\t" // alpha
"addq $4 , %0 \n\t"
"subq $4 , %1 \n\t"
"addq $4 , %[i] \n\t"
"subq $4 , %[n] \n\t"
"jz 2f \n\t"
// ".align 16 \n\t"
@ -57,21 +57,21 @@ static void dgemv_kernel_4x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT
"vmulpd %%ymm0 , %%ymm12, %%ymm4 \n\t"
"vmulpd %%ymm1 , %%ymm13, %%ymm5 \n\t"
"vmovups (%4,%0,8), %%ymm0 \n\t"
"vmovups (%5,%0,8), %%ymm1 \n\t"
"vmovups (%[ap0],%[i],8), %%ymm0 \n\t"
"vmovups (%[ap1],%[i],8), %%ymm1 \n\t"
"vfmadd231pd %%ymm2 , %%ymm14, %%ymm4 \n\t"
"vfmadd231pd %%ymm3 , %%ymm15, %%ymm5 \n\t"
"vmovups (%6,%0,8), %%ymm2 \n\t"
"vmovups (%7,%0,8), %%ymm3 \n\t"
"vmovups (%[ap2],%[i],8), %%ymm2 \n\t"
"vmovups (%[ap3],%[i],8), %%ymm3 \n\t"
"vmovups -32(%3,%0,8), %%ymm8 \n\t" // 4 * y
"vmovups -32(%[y],%[i],8), %%ymm8 \n\t" // 4 * y
"vaddpd %%ymm4 , %%ymm5 , %%ymm4 \n\t"
"vfmadd231pd %%ymm6 , %%ymm4 , %%ymm8 \n\t"
"vmovups %%ymm8, -32(%3,%0,8) \n\t" // 4 * y
"vmovups %%ymm8, -32(%[y],%[i],8) \n\t" // 4 * y
"addq $4 , %0 \n\t"
"subq $4 , %1 \n\t"
"addq $4 , %[i] \n\t"
"subq $4 , %[n] \n\t"
"jnz 1b \n\t"
@ -83,26 +83,26 @@ static void dgemv_kernel_4x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT
"vfmadd231pd %%ymm3 , %%ymm15, %%ymm5 \n\t"
"vmovups -32(%3,%0,8), %%ymm8 \n\t" // 4 * y
"vmovups -32(%[y],%[i],8), %%ymm8 \n\t" // 4 * y
"vaddpd %%ymm4 , %%ymm5 , %%ymm4 \n\t"
"vfmadd231pd %%ymm6 , %%ymm4 , %%ymm8 \n\t"
"vmovups %%ymm8, -32(%3,%0,8) \n\t" // 4 * y
"vmovups %%ymm8, -32(%[y],%[i],8) \n\t" // 4 * y
"vzeroupper \n\t"
:
"+r" (i), // 0
"+r" (n) // 1
[i] "+r" (i), // 0
[n] "+r" (n) // 1
:
"r" (x), // 2
"r" (y), // 3
"r" (ap[0]), // 4
"r" (ap[1]), // 5
"r" (ap[2]), // 6
"r" (ap[3]), // 7
"r" (alpha) // 8
[x] "r" (x), // 2
[y] "r" (y), // 3
[ap0] "r" (ap[0]), // 4
[ap1] "r" (ap[1]), // 5
[ap2] "r" (ap[2]), // 6
[ap3] "r" (ap[3]), // 7
[alpha] "r" (alpha) // 8
: "cc",
"%xmm4", "%xmm5",
"%xmm6", "%xmm7",