about summary refs log tree commit diff
path: root/sysdeps/x86_64
diff options
context:
space:
mode:
authorH.J. Lu <hjl.tools@gmail.com>2020-05-09 12:04:23 -0700
committerH.J. Lu <hjl.tools@gmail.com>2020-05-09 12:28:15 -0700
commit55c7bcc71b84123d5d4bd2814366a6b05fcf8ebd (patch)
treecf6bd713ccee86b9ce501a94a6709d782d7b0d72 /sysdeps/x86_64
parente1b871e25f3add3b63d465694b6731d95cafb299 (diff)
downloadglibc-55c7bcc71b84123d5d4bd2814366a6b05fcf8ebd.tar.gz
glibc-55c7bcc71b84123d5d4bd2814366a6b05fcf8ebd.tar.xz
glibc-55c7bcc71b84123d5d4bd2814366a6b05fcf8ebd.zip
x86-64: Use RDX_LP on __x86_shared_non_temporal_threshold [BZ #25966]
Since __x86_shared_non_temporal_threshold is defined as

long int __x86_shared_non_temporal_threshold;

and long int is 4 bytes for x32, use RDX_LP to compare against
__x86_shared_non_temporal_threshold in assembly code.
Diffstat (limited to 'sysdeps/x86_64')
-rw-r--r--sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S6
1 files changed, 3 insertions, 3 deletions
diff --git a/sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S b/sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S
index c763b7d871..74953245aa 100644
--- a/sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S
+++ b/sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S
@@ -244,7 +244,7 @@ L(return):
 	ret
 
 L(movsb):
-	cmpq	__x86_shared_non_temporal_threshold(%rip), %rdx
+	cmp	__x86_shared_non_temporal_threshold(%rip), %RDX_LP
 	jae	L(more_8x_vec)
 	cmpq	%rsi, %rdi
 	jb	1f
@@ -402,7 +402,7 @@ L(more_8x_vec):
 	addq	%r8, %rdx
 #if (defined USE_MULTIARCH || VEC_SIZE == 16) && IS_IN (libc)
 	/* Check non-temporal store threshold.  */
-	cmpq	__x86_shared_non_temporal_threshold(%rip), %rdx
+	cmp	__x86_shared_non_temporal_threshold(%rip), %RDX_LP
 	ja	L(large_forward)
 #endif
 L(loop_4x_vec_forward):
@@ -454,7 +454,7 @@ L(more_8x_vec_backward):
 	subq	%r8, %rdx
 #if (defined USE_MULTIARCH || VEC_SIZE == 16) && IS_IN (libc)
 	/* Check non-temporal store threshold.  */
-	cmpq	__x86_shared_non_temporal_threshold(%rip), %rdx
+	cmp	__x86_shared_non_temporal_threshold(%rip), %RDX_LP
 	ja	L(large_backward)
 #endif
 L(loop_4x_vec_backward):