diff --git a/libc/arch-x86/string/sse2-memset5-atom.S b/libc/arch-x86/string/sse2-memset5-atom.S
index 59a598c..4b7f71b 100644
--- a/libc/arch-x86/string/sse2-memset5-atom.S
+++ b/libc/arch-x86/string/sse2-memset5-atom.S
@@ -49,7 +49,7 @@
 #endif
 
 #ifndef cfi_restore
-# define cfi_restore(reg)		.cfi_restore (reg)
+# define cfi_restore(reg)		.cfi_restore reg
 #endif
 
 #ifndef cfi_adjust_cfa_offset
@@ -285,7 +285,6 @@
 	pxor	%xmm0, %xmm0
 #else
 	movd	%eax, %xmm0
-	punpcklbw %xmm0, %xmm0
 	pshufd	$0, %xmm0, %xmm0
 #endif
 	testl	$0xf, %edx
@@ -329,14 +328,17 @@
 
 #ifdef DATA_CACHE_SIZE
 	POP (%ebx)
+# define RESTORE_EBX_STATE CFI_PUSH (%ebx)
 	cmp	$DATA_CACHE_SIZE, %ecx
 #else
 # ifdef SHARED
+#  define RESTORE_EBX_STATE
 	call	__i686.get_pc_thunk.bx
 	add	$_GLOBAL_OFFSET_TABLE_, %ebx
 	cmp	__x86_data_cache_size@GOTOFF(%ebx), %ecx
 # else
 	POP (%ebx)
+#  define RESTORE_EBX_STATE CFI_PUSH (%ebx)
 	cmp	__x86_data_cache_size, %ecx
 # endif
 #endif
@@ -370,7 +372,7 @@
 	jae	L(128bytesormore_normal)
 
 L(128bytesless_normal):
-	lea	128(%ecx), %ecx
+	add	$128, %ecx
 	BRANCH_TO_JMPTBL_ENTRY (L(table_16_128bytes))
 
 	ALIGN (4)
@@ -393,8 +395,13 @@
 L(128bytesless_L2_normal):
 	BRANCH_TO_JMPTBL_ENTRY (L(table_16_128bytes))
 
+	RESTORE_EBX_STATE
 L(128bytesormore_nt_start):
 	sub	%ebx, %ecx
+	mov	%ebx, %eax
+	and	$0x7f, %eax
+	add	%eax, %ecx
+	movd	%xmm0, %eax
 	ALIGN (4)
 L(128bytesormore_shared_cache_loop):
 	prefetcht0	0x3c0(%edx)