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ImmMask should be 3 for a two-bit field; Compact X86II

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28381 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-05-18 06:27:15 +00:00
parent ac4c75ba82
commit 751458dac9
2 changed files with 3 additions and 4 deletions
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2
lib/Target/X86/X86.td
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@ -114,7 +114,7 @@ def X86InstrInfo : InstrInfo {
7,
11,
13,
17];
16];
}
// The X86 target supports two different syntaxes for emitting machine code.

5
lib/Target/X86/X86InstrInfo.h
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@ -120,7 +120,7 @@ namespace X86II {
// This two-bit field describes the size of an immediate operand. Zero is
// unused so that we can tell if we forgot to set a value.
ImmShift = 11,
ImmMask = 7 << ImmShift,
ImmMask = 3 << ImmShift,
Imm8 = 1 << ImmShift,
Imm16 = 2 << ImmShift,
Imm32 = 3 << ImmShift,
@ -161,8 +161,7 @@ namespace X86II {
// SpecialFP - Special instruction forms. Dispatch by opcode explicitly.
SpecialFP = 7 << FPTypeShift,
// Bit 15 is unused.
OpcodeShift = 17,
OpcodeShift = 16,
OpcodeMask = 0xFF << OpcodeShift,
// Bits 25 -> 31 are unused
};