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Fixed the SS42AI template for the SSE 4.2 instructions with TA prefix so it does

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not get an "Unknown immediate size" assert failure when used.  All instructions 
of this form have an 8-bit immediate.  Also added a test case of an example
instruction that is of this form.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99435 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Kevin Enderby 2010-03-24 22:28:42 +00:00
parent 1449f29100
commit 044be39090
2 changed files with 9 additions and 1 deletions
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2
lib/Target/X86/X86InstrFormats.td
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@ -286,7 +286,7 @@ class SS42FI<bits<8> o, Format F, dag outs, dag ins, string asm,
// SS42AI = SSE 4.2 instructions with TA prefix
class SS42AI<bits<8> o, Format F, dag outs, dag ins, string asm,
list<dag> pattern>
: I<o, F, outs, ins, asm, pattern>, TA, Requires<[HasSSE42]>;
: Ii8<o, F, outs, ins, asm, pattern>, TA, Requires<[HasSSE42]>;
// X86-64 Instruction templates...
//

8
test/MC/AsmParser/X86/x86_32-encoding.s
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@ -9905,3 +9905,11 @@
// CHECK: crc32l %ecx, %ecx
// CHECK: encoding: [0xf2,0x0f,0x38,0xf1,0xc9]
crc32l %ecx,%ecx
// CHECK: pcmpistrm $125, %xmm1, %xmm2
// CHECK: encoding: [0x66,0x0f,0x3a,0x62,0xd1,0x7d]
pcmpistrm $125, %xmm1, %xmm2
// CHECK: pcmpistrm $125, (%edx,%eax,4), %xmm2
// CHECK: encoding: [0x66,0x0f,0x3a,0x62,0x14,0x82,0x7d]
pcmpistrm $125, (%edx,%eax,4), %xmm2