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authorNoah Goldstein <goldstein.w.n@gmail.com>2022-10-14 22:00:26 -0500
committerNoah Goldstein <goldstein.w.n@gmail.com>2022-10-14 21:21:58 -0700
commit3088a66ff8801c28ca5d268f0ae6a0983d9cfb5e (patch)
tree7055a14402943fb03cf62776e4c69c23893baf19 /sysdeps
parent52ab7604db35e0421bc3d2468a3af52b2c513a7b (diff)
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x86: Update memrchr to use new VEC macros
Replace %VEC(n) -> %VMM(n) This commit does not change libc.so Tested build on x86-64
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/x86_64/multiarch/memrchr-evex.S42
1 files changed, 21 insertions, 21 deletions
diff --git a/sysdeps/x86_64/multiarch/memrchr-evex.S b/sysdeps/x86_64/multiarch/memrchr-evex.S
index ea3a0a0a60..550b328c5a 100644
--- a/sysdeps/x86_64/multiarch/memrchr-evex.S
+++ b/sysdeps/x86_64/multiarch/memrchr-evex.S
@@ -21,7 +21,7 @@
#if ISA_SHOULD_BUILD (4)
# include <sysdep.h>
-# include "evex256-vecs.h"
+# include "x86-evex256-vecs.h"
# if VEC_SIZE != 32
# error "VEC_SIZE != 32 unimplemented"
# endif
@@ -31,7 +31,7 @@
# endif
# define PAGE_SIZE 4096
-# define VECMATCH VEC(0)
+# define VMMMATCH VMM(0)
.section SECTION(.text), "ax", @progbits
ENTRY_P2ALIGN(MEMRCHR, 6)
@@ -47,7 +47,7 @@ ENTRY_P2ALIGN(MEMRCHR, 6)
correct page cross check and 2) it correctly sets up end ptr to be
subtract by lzcnt aligned. */
leaq -1(%rdi, %rdx), %rax
- vpbroadcastb %esi, %VECMATCH
+ vpbroadcastb %esi, %VMMMATCH
/* Check if we can load 1x VEC without cross a page. */
testl $(PAGE_SIZE - VEC_SIZE), %eax
@@ -55,7 +55,7 @@ ENTRY_P2ALIGN(MEMRCHR, 6)
/* Don't use rax for pointer here because EVEX has better encoding with
offset % VEC_SIZE == 0. */
- vpcmpb $0, -(VEC_SIZE)(%rdi, %rdx), %VECMATCH, %k0
+ vpcmpb $0, -(VEC_SIZE)(%rdi, %rdx), %VMMMATCH, %k0
kmovd %k0, %ecx
/* Fall through for rdx (len) <= VEC_SIZE (expect small sizes). */
@@ -96,7 +96,7 @@ L(more_1x_vec):
movq %rax, %rdx
/* Need no matter what. */
- vpcmpb $0, -(VEC_SIZE)(%rax), %VECMATCH, %k0
+ vpcmpb $0, -(VEC_SIZE)(%rax), %VMMMATCH, %k0
kmovd %k0, %ecx
subq %rdi, %rdx
@@ -115,7 +115,7 @@ L(last_2x_vec):
/* Don't use rax for pointer here because EVEX has better encoding with
offset % VEC_SIZE == 0. */
- vpcmpb $0, -(VEC_SIZE * 2)(%rdi, %rdx), %VECMATCH, %k0
+ vpcmpb $0, -(VEC_SIZE * 2)(%rdi, %rdx), %VMMMATCH, %k0
kmovd %k0, %ecx
/* NB: 64-bit lzcnt. This will naturally add 32 to position. */
lzcntq %rcx, %rcx
@@ -131,7 +131,7 @@ L(last_2x_vec):
L(page_cross):
movq %rax, %rsi
andq $-VEC_SIZE, %rsi
- vpcmpb $0, (%rsi), %VECMATCH, %k0
+ vpcmpb $0, (%rsi), %VMMMATCH, %k0
kmovd %k0, %r8d
/* Shift out negative alignment (because we are starting from endptr and
working backwards). */
@@ -165,13 +165,13 @@ L(more_2x_vec):
testl %ecx, %ecx
jnz L(ret_vec_x0_dec)
- vpcmpb $0, -(VEC_SIZE * 2)(%rax), %VECMATCH, %k0
+ vpcmpb $0, -(VEC_SIZE * 2)(%rax), %VMMMATCH, %k0
kmovd %k0, %ecx
testl %ecx, %ecx
jnz L(ret_vec_x1)
/* Need no matter what. */
- vpcmpb $0, -(VEC_SIZE * 3)(%rax), %VECMATCH, %k0
+ vpcmpb $0, -(VEC_SIZE * 3)(%rax), %VMMMATCH, %k0
kmovd %k0, %ecx
subq $(VEC_SIZE * 4), %rdx
@@ -185,7 +185,7 @@ L(last_vec):
/* Need no matter what. */
- vpcmpb $0, -(VEC_SIZE * 4)(%rax), %VECMATCH, %k0
+ vpcmpb $0, -(VEC_SIZE * 4)(%rax), %VMMMATCH, %k0
kmovd %k0, %ecx
lzcntl %ecx, %ecx
subq $(VEC_SIZE * 3 + 1), %rax
@@ -220,7 +220,7 @@ L(more_4x_vec):
testl %ecx, %ecx
jnz L(ret_vec_x2)
- vpcmpb $0, -(VEC_SIZE * 4)(%rax), %VECMATCH, %k0
+ vpcmpb $0, -(VEC_SIZE * 4)(%rax), %VMMMATCH, %k0
kmovd %k0, %ecx
testl %ecx, %ecx
@@ -243,17 +243,17 @@ L(more_4x_vec):
L(loop_4x_vec):
/* Store 1 were not-equals and 0 where equals in k1 (used to mask later
on). */
- vpcmpb $4, (VEC_SIZE * 3)(%rax), %VECMATCH, %k1
+ vpcmpb $4, (VEC_SIZE * 3)(%rax), %VMMMATCH, %k1
/* VEC(2/3) will have zero-byte where we found a CHAR. */
- vpxorq (VEC_SIZE * 2)(%rax), %VECMATCH, %VEC(2)
- vpxorq (VEC_SIZE * 1)(%rax), %VECMATCH, %VEC(3)
- vpcmpb $0, (VEC_SIZE * 0)(%rax), %VECMATCH, %k4
+ vpxorq (VEC_SIZE * 2)(%rax), %VMMMATCH, %VMM(2)
+ vpxorq (VEC_SIZE * 1)(%rax), %VMMMATCH, %VMM(3)
+ vpcmpb $0, (VEC_SIZE * 0)(%rax), %VMMMATCH, %k4
/* Combine VEC(2/3) with min and maskz with k1 (k1 has zero bit where
CHAR is found and VEC(2/3) have zero-byte where CHAR is found. */
- vpminub %VEC(2), %VEC(3), %VEC(3){%k1}{z}
- vptestnmb %VEC(3), %VEC(3), %k2
+ vpminub %VMM(2), %VMM(3), %VMM(3){%k1}{z}
+ vptestnmb %VMM(3), %VMM(3), %k2
/* Any 1s and we found CHAR. */
kortestd %k2, %k4
@@ -270,7 +270,7 @@ L(loop_4x_vec):
L(last_4x_vec):
/* Used no matter what. */
- vpcmpb $0, (VEC_SIZE * -1)(%rax), %VECMATCH, %k0
+ vpcmpb $0, (VEC_SIZE * -1)(%rax), %VMMMATCH, %k0
kmovd %k0, %ecx
cmpl $(VEC_SIZE * 2), %edx
@@ -280,14 +280,14 @@ L(last_4x_vec):
jnz L(ret_vec_x0_dec)
- vpcmpb $0, (VEC_SIZE * -2)(%rax), %VECMATCH, %k0
+ vpcmpb $0, (VEC_SIZE * -2)(%rax), %VMMMATCH, %k0
kmovd %k0, %ecx
testl %ecx, %ecx
jnz L(ret_vec_x1)
/* Used no matter what. */
- vpcmpb $0, (VEC_SIZE * -3)(%rax), %VECMATCH, %k0
+ vpcmpb $0, (VEC_SIZE * -3)(%rax), %VMMMATCH, %k0
kmovd %k0, %ecx
cmpl $(VEC_SIZE * 3), %edx
@@ -309,7 +309,7 @@ L(loop_end):
testl %ecx, %ecx
jnz L(ret_vec_x0_end)
- vptestnmb %VEC(2), %VEC(2), %k0
+ vptestnmb %VMM(2), %VMM(2), %k0
kmovd %k0, %ecx
testl %ecx, %ecx
jnz L(ret_vec_x1_end)