[X86] Add support for fcomip, fucomip for Intel syntax

According to x86 spec, fcomip and fucomip should be supported for Intel syntax.

Differential Revision: http://reviews.llvm.org/D15104

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@254595 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index 0571b07d2f8baf74863a9718ddae09a81edb7cbe..1e66739026e21eecd8565f962bd233d562854d0e 100644 (file)
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -2651,14 +2651,14 @@ def : MnemonicAlias<"fcmova",   "fcmovnbe", "att">;
 def : MnemonicAlias<"fcmovnae", "fcmovb",   "att">;
 def : MnemonicAlias<"fcmovna",  "fcmovbe",  "att">;
 def : MnemonicAlias<"fcmovae",  "fcmovnb",  "att">;
-def : MnemonicAlias<"fcomip",   "fcompi",   "att">;
+def : MnemonicAlias<"fcomip",   "fcompi">;
 def : MnemonicAlias<"fildq",    "fildll",   "att">;
 def : MnemonicAlias<"fistpq",   "fistpll",  "att">;
 def : MnemonicAlias<"fisttpq",  "fisttpll", "att">;
 def : MnemonicAlias<"fldcww",   "fldcw",    "att">;
 def : MnemonicAlias<"fnstcww",  "fnstcw",   "att">;
 def : MnemonicAlias<"fnstsww",  "fnstsw",   "att">;
-def : MnemonicAlias<"fucomip",  "fucompi",  "att">;
+def : MnemonicAlias<"fucomip",  "fucompi">;
 def : MnemonicAlias<"fwait",    "wait">;
 
 def : MnemonicAlias<"fxsaveq",   "fxsave64",   "att">;

diff --git a/test/MC/X86/intel-syntax.s b/test/MC/X86/intel-syntax.s
index b79b21dc9691a0c20d3b1be30fc53716dedac555..71bf6cc0ffdbba0cadd0b2efd779e989486f8dad 100644 (file)
--- a/test/MC/X86/intel-syntax.s
+++ b/test/MC/X86/intel-syntax.s
@@ -736,3 +736,8 @@ fbld tbyte ptr [eax]
 fbstp tbyte ptr [eax]
 // CHECK: fbld (%eax)
 // CHECK: fbstp (%eax)
+
+fcomip st, st(2)
+fucomip st, st(2)
+// CHECK: fcompi  %st(2)
+// CHECK: fucompi  %st(2)