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.
This commit is contained in:
H.J. Lu 2020-05-09 12:04:23 -07:00
parent e1b871e25f
commit 55c7bcc71b

View File

@ -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):