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| author | Joerg Sonnenberger <joerg@bec.de> | 2011-02-18 00:48:11 +0000 |
|---|---|---|
| committer | Joerg Sonnenberger <joerg@bec.de> | 2011-02-18 00:48:11 +0000 |
| commit | 5ad596f9d27a67767118857471e63b55bfb152d6 (patch) | |
| tree | 44aa752f0369272c01548a53c3e017db271335c5 | |
| parent | c788f44642f746a7b527c2ac6a706db5da7c6218 (diff) | |
Recognize monitor/mwait with explicit register arguments
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125805 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86InstrSSE.td | 8 | ||||
| -rw-r--r-- | test/MC/X86/x86-32.s | 6 | ||||
| -rw-r--r-- | test/MC/X86/x86-64.s | 12 |
3 files changed, 26 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td index 5d32fb8f68..b912949d48 100644 --- a/lib/Target/X86/X86InstrSSE.td +++ b/lib/Target/X86/X86InstrSSE.td @@ -3673,6 +3673,14 @@ let Uses = [ECX, EAX] in def MWAITrr : I<0x01, MRM_C9, (outs), (ins), "mwait", []>, TB, Requires<[HasSSE3]>; +def : InstAlias<"mwait %eax, %ecx", (MWAITrr)>, Requires<[In32BitMode]>; +def : InstAlias<"mwait %rax, %rcx", (MWAITrr)>, Requires<[In64BitMode]>; + +def : InstAlias<"monitor %eax, %ecx, %edx", (MONITORrrr)>, + Requires<[In32BitMode]>; +def : InstAlias<"monitor %rax, %rcx, %rdx", (MONITORrrr)>, + Requires<[In64BitMode]>; + //===---------------------------------------------------------------------===// // Non-Instruction Patterns //===---------------------------------------------------------------------===// diff --git a/test/MC/X86/x86-32.s b/test/MC/X86/x86-32.s index 9ff5accf19..de6b96389e 100644 --- a/test/MC/X86/x86-32.s +++ b/test/MC/X86/x86-32.s @@ -15,9 +15,15 @@ monitor // CHECK: monitor // CHECK: encoding: [0x0f,0x01,0xc8] + monitor %eax, %ecx, %edx +// CHECK: monitor +// CHECK: encoding: [0x0f,0x01,0xc8] mwait // CHECK: mwait // CHECK: encoding: [0x0f,0x01,0xc9] + mwait %eax, %ecx +// CHECK: mwait +// CHECK: encoding: [0x0f,0x01,0xc9] vmcall // CHECK: vmcall diff --git a/test/MC/X86/x86-64.s b/test/MC/X86/x86-64.s index ed3162c0a9..b1fc9accfd 100644 --- a/test/MC/X86/x86-64.s +++ b/test/MC/X86/x86-64.s @@ -2,6 +2,18 @@ // RUN: FileCheck < %t %s // RUN: FileCheck --check-prefix=CHECK-STDERR < %t.err %s + monitor +// CHECK: monitor +// CHECK: encoding: [0x0f,0x01,0xc8] + monitor %rax, %rcx, %rdx +// CHECK: monitor +// CHECK: encoding: [0x0f,0x01,0xc8] + mwait +// CHECK: mwait +// CHECK: encoding: [0x0f,0x01,0xc9] + mwait %rax, %rcx +// CHECK: mwait +// CHECK: encoding: [0x0f,0x01,0xc9] // Suffix inference: |