diff options
| author | Ricky Zhou <ricky@rzhou.org> | 2023-05-01 04:14:28 -0700 |
|---|---|---|
| committer | Michael Tokarev <mjt@tls.msk.ru> | 2023-10-04 17:58:06 +0300 |
| commit | 327d65ea97f708638771b510f9faf07eae4dad23 (patch) | |
| tree | 05acdfec5e4adaaed63197f8f2b34a20068957b1 /target | |
| parent | 72ef83b12fbde8334a09598ff97f29efb24d4f38 (diff) | |
target/i386: Fix exception classes for MOVNTPS/MOVNTPD.
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-ricky@rzhou.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 8bf171c2d126aea6b60b818f1cee7e0e9eef0390)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Diffstat (limited to 'target')
| -rw-r--r-- | target/i386/tcg/decode-new.c.inc | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/target/i386/tcg/decode-new.c.inc b/target/i386/tcg/decode-new.c.inc index 8c477c1bab..8a8d353b32 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 */ }; |