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X86 disassembler support for jcxz, jecxz, and jrcxz. Fixes PR11643. Patch by Kay Tiong Khoo.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151510 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper
2012-02-27 01:54:29 +00:00
parent 7497a9a7e8
commit 930a1ebd92
8 changed files with 36 additions and 3 deletions
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lib/Target/X86/Disassembler/X86DisassemblerDecoderCommon.h
+6 -2
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@@ -54,8 +54,9 @@
ENUM_ENTRY(ATTR_XD, 0x04) \
ENUM_ENTRY(ATTR_REXW, 0x08) \
ENUM_ENTRY(ATTR_OPSIZE, 0x10) \
ENUM_ENTRY(ATTR_VEX, 0x20) \
ENUM_ENTRY(ATTR_VEXL, 0x40)
ENUM_ENTRY(ATTR_ADSIZE, 0x20) \
ENUM_ENTRY(ATTR_VEX, 0x40) \
ENUM_ENTRY(ATTR_VEXL, 0x80)
#define ENUM_ENTRY(n, v) n = v,
enum attributeBits {
@@ -77,6 +78,8 @@ enum attributeBits {
"64-bit mode but no more") \
ENUM_ENTRY(IC_OPSIZE, 3, "requires an OPSIZE prefix, so " \
"operands change width") \
ENUM_ENTRY(IC_ADSIZE, 3, "requires an ADSIZE prefix, so " \
"operands change width") \
ENUM_ENTRY(IC_XD, 2, "may say something about the opcode " \
"but not the operands") \
ENUM_ENTRY(IC_XS, 2, "may say something about the opcode " \
@@ -88,6 +91,7 @@ enum attributeBits {
ENUM_ENTRY(IC_64BIT_REXW, 4, "requires a REX.W prefix, so operands "\
"change width; overrides IC_OPSIZE") \
ENUM_ENTRY(IC_64BIT_OPSIZE, 3, "Just as meaningful as IC_OPSIZE") \
ENUM_ENTRY(IC_64BIT_ADSIZE, 3, "Just as meaningful as IC_ADSIZE") \
ENUM_ENTRY(IC_64BIT_XD, 5, "XD instructions are SSE; REX.W is " \
"secondary") \
ENUM_ENTRY(IC_64BIT_XS, 5, "Just as meaningful as IC_64BIT_XD") \