make FP conversion more conservative (matches gcc)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20142 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Alpha/AlphaInstrInfo.td b/lib/Target/Alpha/AlphaInstrInfo.td
index dd8bc79..27ad8c0 100644
--- a/lib/Target/Alpha/AlphaInstrInfo.td
+++ b/lib/Target/Alpha/AlphaInstrInfo.td
@@ -356,11 +356,12 @@
//CVTLQ F-P 17.010 Convert longword to quadword
//CVTQL F-P 17.030 Convert quadword to longword
+//These use SW completion, may not have function code for that set right (matters for JIT)
def CVTQS : FPForm<0x16, 0x0BC, (ops FPRC:$RC, FPRC:$RA), "cvtqs $RA,$RC">; //Convert quadword to S_floating
def CVTQT : FPForm<0x16, 0x0BE, (ops FPRC:$RC, FPRC:$RA), "cvtqt $RA,$RC">; //Convert quadword to T_floating
-def CVTST : FPForm<0x16, 0x2AC, (ops FPRC:$RC, FPRC:$RA), "cvtsts $RA,$RC">; //Convert S_floating to T_floating (use completion, may not have function code for that set right)
-def CVTTQ : FPForm<0x16, 0x0AF, (ops FPRC:$RC, FPRC:$RA), "cvttq $RA,$RC">; //Convert T_floating to quadword
-def CVTTS : FPForm<0x16, 0x2AC, (ops FPRC:$RC, FPRC:$RA), "cvtts $RA,$RC">; //Convert T_floating to S_floating
+def CVTST : FPForm<0x16, 0x2AC, (ops FPRC:$RC, FPRC:$RA), "cvtsts $RA,$RC">; //Convert S_floating to T_floating
+def CVTTQ : FPForm<0x16, 0x0AF, (ops FPRC:$RC, FPRC:$RA), "cvttq/svc $RA,$RC">; //Convert T_floating to quadword
+def CVTTS : FPForm<0x16, 0x2AC, (ops FPRC:$RC, FPRC:$RA), "cvtts/su $RA,$RC">; //Convert T_floating to S_floating
//S_floating : IEEE Single
//T_floating : IEEE Double