fix a case where we'd mis-encode fisttp because of an incorrect (and

redundant with a correct one) pattern that was added for the disassembler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95446 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86InstrFPStack.td b/lib/Target/X86/X86InstrFPStack.td
index 71ec178e3012c59806c6aac3c01472c5cefeabf2..e22a903739d107f0a6a61e0fa47af7fab6785f77 100644 (file)
--- a/lib/Target/X86/X86InstrFPStack.td
+++ b/lib/Target/X86/X86InstrFPStack.td
@@ -339,7 +339,6 @@ def FICOMP32m: FPI<0xDA, MRM3m, (outs), (ins i32mem:$src), "ficomp{l}\t$src">;
 def FCOM64m  : FPI<0xDC, MRM2m, (outs), (ins f64mem:$src), "fcom{ll}\t$src">;
 def FCOMP64m : FPI<0xDC, MRM3m, (outs), (ins f64mem:$src), "fcomp{ll}\t$src">;
 
-def FISTTP32m: FPI<0xDD, MRM1m, (outs i32mem:$dst), (ins), "fisttp{l}\t$dst">;
 def FRSTORm  : FPI<0xDD, MRM4m, (outs f32mem:$dst), (ins), "frstor\t$dst">;
 def FSAVEm   : FPI<0xDD, MRM6m, (outs f32mem:$dst), (ins), "fnsave\t$dst">;
 def FNSTSWm  : FPI<0xDD, MRM7m, (outs f32mem:$dst), (ins), "fnstsw\t$dst">;

diff --git a/test/MC/AsmParser/X86/x86_32-encoding.s b/test/MC/AsmParser/X86/x86_32-encoding.s
new file mode 100644 (file)
index 0000000..3afdcca
--- /dev/null
+++ b/test/MC/AsmParser/X86/x86_32-encoding.s
@@ -0,0 +1,5 @@
+// RUN: llvm-mc -triple i386-unknown-unknown %s -show-encoding | FileCheck %s
+
+fisttpl        3735928559(%ebx,%ecx,8)
+
+# CHECK: encoding: [0xdb,0x8c,0xcb,0xef,0xbe,0xad,0xde]