* [binutils-gdb] x86: Intel Core processors do not support CMPXCHG16B
@ 2023-11-09 11:56 Jan Beulich
0 siblings, 0 replies; only message in thread
From: Jan Beulich @ 2023-11-09 11:56 UTC (permalink / raw)
To: bfd-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=3eda60e3d6edfddf081ed2e8eb0901b6f6279413
commit 3eda60e3d6edfddf081ed2e8eb0901b6f6279413
Author: Jan Beulich <jbeulich@suse.com>
Date: Thu Nov 9 12:53:30 2023 +0100
x86: Intel Core processors do not support CMPXCHG16B
This being a 64-bit-only instruction (see also i386-opc.tbl) it cannot
possibly be supported by CPUs not supporting 64-bit mode.
Diff:
---
opcodes/i386-gen.c | 2 +-
opcodes/i386-init.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/opcodes/i386-gen.c b/opcodes/i386-gen.c
index bb58afcbc06..b2ddda3755b 100644
--- a/opcodes/i386-gen.c
+++ b/opcodes/i386-gen.c
@@ -63,7 +63,7 @@ static const dependency isa_dependencies[] =
{ "NOCONA",
"GENERIC64|FISTTP|SSE3|MONITOR|CX16" },
{ "CORE",
- "P4|FISTTP|SSE3|MONITOR|CX16" },
+ "P4|FISTTP|SSE3|MONITOR" },
{ "CORE2",
"NOCONA|SSSE3" },
{ "COREI7",
diff --git a/opcodes/i386-init.h b/opcodes/i386-init.h
index d27c8b4658e..475db31e099 100644
--- a/opcodes/i386-init.h
+++ b/opcodes/i386-init.h
@@ -1541,7 +1541,7 @@
#define CPU_CORE_FLAGS \
{ { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, \
0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
- 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
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