ARM64: Fix JIT_MemSet

Init value should be treated as an unsigned char.

diff --git a/src/vm/arm64/crthelpers.asm b/src/vm/arm64/crthelpers.asm
index a341dc4..74a2186 100644 (file)
--- a/src/vm/arm64/crthelpers.asm
+++ b/src/vm/arm64/crthelpers.asm
@@ -20,7 +20,7 @@
 ;
 ;void JIT_MemSet(void *dst, int val, SIZE_T count)
 ;{
-;    uintptr_t valEx = (char)val;
+;    uintptr_t valEx = (unsigned char)val;
 ;    valEx = valEx | valEx << 8;
 ;    valEx = valEx | valEx << 16;
 ;    valEx = valEx | valEx << 32;
@@ -87,7 +87,7 @@
 ; as C++ method.
 
     LEAF_ENTRY JIT_MemSet
-    sxtb        w8,w1
+    uxtb        w8,w1
     sxtw        x8,w8
     orr         x8,x8,x8 lsl #8
     orr         x8,x8,x8 lsl #0x10

diff --git a/tests/arm64/Tests.lst b/tests/arm64/Tests.lst
index a8951e4..3f322b1 100644 (file)
--- a/tests/arm64/Tests.lst
+++ b/tests/arm64/Tests.lst
@@ -62374,7 +62374,7 @@ RelativePath=JIT\Regression\JitBlue\DevDiv_199169\DevDiv_199169\DevDiv_199169.cm
 WorkingDir=JIT\Regression\JitBlue\DevDiv_199169\DevDiv_199169
 Expected=0
 MaxAllowedDurationSeconds=600
-Categories=NEW;EXPECTED_FAIL
+Categories=NEW;EXPECTED_PASS
 HostStyle=0
 [DevDiv_200492.cmd_9028]
 RelativePath=JIT\Regression\JitBlue\DevDiv_200492\DevDiv_200492\DevDiv_200492.cmd