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authorNoah Goldstein <goldstein.w.n@gmail.com>2022-04-14 11:47:35 -0500
committerNoah Goldstein <goldstein.w.n@gmail.com>2022-04-14 23:21:41 -0500
commitc024a0b9cf26a4c1df4da7ee5fe4098df3f59d93 (patch)
tree5d91a1cf6f71a2b3a2e3229a47893c13c9921269 /sysdeps/x86_64/strcmp.S
parentc725f408db3a374ae7aec4e83de15715113b6398 (diff)
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x86: Remove str{n}{case}cmp-ssse3
With SSE2, SSE4.1, AVX2, and EVEX versions very few targets prefer
SSSE3. As a result it is no longer worth it to keep the SSSE3
versions given the code size cost.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
Diffstat (limited to 'sysdeps/x86_64/strcmp.S')
-rw-r--r--sysdeps/x86_64/strcmp.S155
1 files changed, 30 insertions, 125 deletions
diff --git a/sysdeps/x86_64/strcmp.S b/sysdeps/x86_64/strcmp.S
index 99d8b36f1d..c38dc627f9 100644
--- a/sysdeps/x86_64/strcmp.S
+++ b/sysdeps/x86_64/strcmp.S
@@ -59,12 +59,7 @@
 # endif
 #endif
 
-#ifndef USE_SSSE3
 	.text
-#else
-	.section .text.ssse3,"ax",@progbits
-#endif
-
 #ifdef USE_AS_STRCASECMP_L
 # ifndef ENTRY2
 #  define ENTRY2(name) ENTRY (name)
@@ -343,13 +338,10 @@ LABEL(gobble_ashr_1):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4		 /* store for next cycle */
 
-#ifndef USE_SSSE3
 	psrldq	$1, %xmm3
 	pslldq	$15, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$1, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -373,13 +365,10 @@ LABEL(gobble_ashr_1):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4		/* store for next cycle */
 
-#ifndef USE_SSSE3
 	psrldq	$1, %xmm3
 	pslldq	$15, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$1, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -473,13 +462,10 @@ LABEL(gobble_ashr_2):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$2, %xmm3
 	pslldq	$14, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$2, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -504,13 +490,10 @@ LABEL(gobble_ashr_2):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$2, %xmm3
 	pslldq	$14, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$2, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -598,13 +581,10 @@ LABEL(gobble_ashr_3):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$3, %xmm3
 	pslldq	$13, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$3, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -629,13 +609,10 @@ LABEL(gobble_ashr_3):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$3, %xmm3
 	pslldq	$13, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$3, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -723,13 +700,10 @@ LABEL(gobble_ashr_4):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$4, %xmm3
 	pslldq	$12, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$4, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -754,13 +728,10 @@ LABEL(gobble_ashr_4):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$4, %xmm3
 	pslldq	$12, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$4, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -848,13 +819,10 @@ LABEL(gobble_ashr_5):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$5, %xmm3
 	pslldq	$11, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$5, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -879,13 +847,10 @@ LABEL(gobble_ashr_5):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$5, %xmm3
 	pslldq	$11, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$5, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -973,13 +938,10 @@ LABEL(gobble_ashr_6):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$6, %xmm3
 	pslldq	$10, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$6, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -1004,13 +966,10 @@ LABEL(gobble_ashr_6):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$6, %xmm3
 	pslldq	$10, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$6, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -1098,13 +1057,10 @@ LABEL(gobble_ashr_7):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$7, %xmm3
 	pslldq	$9, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$7, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -1129,13 +1085,10 @@ LABEL(gobble_ashr_7):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$7, %xmm3
 	pslldq	$9, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$7, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -1223,13 +1176,10 @@ LABEL(gobble_ashr_8):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$8, %xmm3
 	pslldq	$8, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$8, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -1254,13 +1204,10 @@ LABEL(gobble_ashr_8):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$8, %xmm3
 	pslldq	$8, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$8, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -1348,13 +1295,10 @@ LABEL(gobble_ashr_9):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$9, %xmm3
 	pslldq	$7, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$9, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -1379,13 +1323,10 @@ LABEL(gobble_ashr_9):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$9, %xmm3
 	pslldq	$7, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$9, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -1473,13 +1414,10 @@ LABEL(gobble_ashr_10):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$10, %xmm3
 	pslldq	$6, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$10, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -1504,13 +1442,10 @@ LABEL(gobble_ashr_10):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$10, %xmm3
 	pslldq	$6, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$10, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -1598,13 +1533,10 @@ LABEL(gobble_ashr_11):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$11, %xmm3
 	pslldq	$5, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$11, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -1629,13 +1561,10 @@ LABEL(gobble_ashr_11):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$11, %xmm3
 	pslldq	$5, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$11, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -1723,13 +1652,10 @@ LABEL(gobble_ashr_12):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$12, %xmm3
 	pslldq	$4, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$12, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -1754,13 +1680,10 @@ LABEL(gobble_ashr_12):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$12, %xmm3
 	pslldq	$4, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$12, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -1848,13 +1771,10 @@ LABEL(gobble_ashr_13):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$13, %xmm3
 	pslldq	$3, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$13, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -1879,13 +1799,10 @@ LABEL(gobble_ashr_13):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$13, %xmm3
 	pslldq	$3, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$13, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -1973,13 +1890,10 @@ LABEL(gobble_ashr_14):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$14, %xmm3
 	pslldq	$2, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$14, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -2004,13 +1918,10 @@ LABEL(gobble_ashr_14):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$14, %xmm3
 	pslldq	$2, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$14, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -2100,13 +2011,10 @@ LABEL(gobble_ashr_15):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$15, %xmm3
 	pslldq	$1, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$15, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
@@ -2131,13 +2039,10 @@ LABEL(gobble_ashr_15):
 	movdqa	(%rdi, %rcx), %xmm2
 	movdqa	%xmm2, %xmm4
 
-#ifndef USE_SSSE3
 	psrldq	$15, %xmm3
 	pslldq	$1, %xmm2
 	por	%xmm3, %xmm2		/* merge into one 16byte value */
-#else
-	palignr	$15, %xmm3, %xmm2	/* merge into one 16byte value */
-#endif
+
 	TOLOWER (%xmm1, %xmm2)
 
 	pcmpeqb	%xmm1, %xmm0
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-06-27 02:12:55 +0000