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authorFangrui Song <maskray@google.com>2021-11-02 20:59:52 -0700
committerFangrui Song <maskray@google.com>2021-11-02 20:59:52 -0700
commit6720d36b6623c5e48c070d86acf61198b33e144e (patch)
tree3ddec5a324b369b1208fd0215143736a42dd60fb /sysdeps/x86_64/multiarch
parentfdcd177fd36c60ddc9cbc6013831413dbd83c3f9 (diff)
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x86-64: Replace movzx with movzbl
Clang cannot assemble movzx in the AT&T dialect mode.

../sysdeps/x86_64/strcmp.S:2232:16: error: invalid operand for instruction
 movzx (%rsi), %ecx
               ^~~~

Change movzx to movzbl, which follows the AT&T dialect and is used
elsewhere in the file.

Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
Diffstat (limited to 'sysdeps/x86_64/multiarch')
-rw-r--r--sysdeps/x86_64/multiarch/strcmp-sse42.S4
1 files changed, 2 insertions, 2 deletions
diff --git a/sysdeps/x86_64/multiarch/strcmp-sse42.S b/sysdeps/x86_64/multiarch/strcmp-sse42.S
index 617d3a3946..be1ddb3f92 100644
--- a/sysdeps/x86_64/multiarch/strcmp-sse42.S
+++ b/sysdeps/x86_64/multiarch/strcmp-sse42.S
@@ -1770,8 +1770,8 @@ LABEL(strcmp_exitz):
 	.p2align 4
 	// XXX Same as code above
 LABEL(Byte0):
-	movzx	(%rsi), %ecx
-	movzx	(%rdi), %eax
+	movzbl	(%rsi), %ecx
+	movzbl	(%rdi), %eax
 
 #if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
 	leaq	_nl_C_LC_CTYPE_tolower+128*4(%rip), %rdx