From: Andrew Lenharth <andrewl@lenharth.org>
Date: Sat, 12 Feb 2005 21:10:58 +0000 (+0000)
Subject: make FP conversion more conservative (matches gcc)
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9b1e659cd64c8e4239bf15f5be10e82244ca9028;p=oota-llvm.git

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 dd8bc790c39..27ad8c07daf 100644
--- a/lib/Target/Alpha/AlphaInstrInfo.td
+++ b/lib/Target/Alpha/AlphaInstrInfo.td
@@ -356,11 +356,12 @@ def ITOFT : FPForm<0x14, 0x024, (ops FPRC:$RC, GPRC:$RA), "itoft $RA,$RC">; //In
 
 //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