From: Ricky Zhou <ri...@rzhou.org>
Before this change, MOVNTPS and MOVNTPD were labeled as Exception Class
4 (only requiring alignment for legacy SSE instructions). This changes
them to Exception Class 1 (always requiring memory alignment), as
documented in the Intel manual.
Message-Id: <20230501111428.95998-3-ri...@rzhou.org>
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
target/i386/tcg/decode-new.c.inc | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/target/i386/tcg/decode-new.c.inc b/target/i386/tcg/decode-new.c.inc
index 1a789201f740..46afd9960bb1 100644
--- a/target/i386/tcg/decode-new.c.inc
+++ b/target/i386/tcg/decode-new.c.inc
@@ -750,8 +750,9 @@ static void decode_0F2A(DisasContext *s, CPUX86State *env,
X86OpEntry *entry, ui
static void decode_0F2B(DisasContext *s, CPUX86State *env, X86OpEntry *entry,
uint8_t *b)
{
static const X86OpEntry opcodes_0F2B[4] = {
- X86_OP_ENTRY3(MOVDQ, M,x, None,None, V,x, vex4), /* MOVNTPS */
- X86_OP_ENTRY3(MOVDQ, M,x, None,None, V,x, vex4), /* MOVNTPD */
+ X86_OP_ENTRY3(MOVDQ, M,x, None,None, V,x, vex1), /* MOVNTPS */
+ X86_OP_ENTRY3(MOVDQ, M,x, None,None, V,x, vex1), /* MOVNTPD */
+ /* AMD extensions */
X86_OP_ENTRY3(VMOVSS_st, M,ss, None,None, V,x, vex4 cpuid(SSE4A)), /*
MOVNTSS */
X86_OP_ENTRY3(VMOVLPx_st, M,sd, None,None, V,x, vex4 cpuid(SSE4A)), /*
MOVNTSD */
};
--
2.40.1
