commit d0ac96e3b0faea5c68e63e74cf79e768c2e669e7
author Andrew Lenharth <alenhar2@cs.uiuc.edu> Tue Nov 27 18:31:30 2007 +0000
committer Andrew Lenharth <alenhar2@cs.uiuc.edu> Tue Nov 27 18:31:30 2007 +0000
tree 8d488ea0f22c511bd29eb2bf39e2075aec382591
parent a55821805bed4e0111d8814df7c35fff48d5b68f

something wrong with this opt

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44370 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/Alpha/AlphaInstrInfo.td

diff --git a/lib/Target/Alpha/AlphaInstrInfo.td b/lib/Target/Alpha/AlphaInstrInfo.td
index 88bcc9d..da24e70 100644
--- a/lib/Target/Alpha/AlphaInstrInfo.td
+++ b/lib/Target/Alpha/AlphaInstrInfo.td
@@ -1086,16 +1086,18 @@
           (ADDQr (SLr GPRC:$RA, (nearP2X immRemP2:$imm)), (SLi GPRC:$RA, (nearP2RemX immRemP2:$imm)))>;
 
 //n is below a power of 2
-def : Pat<(mul GPRC:$RA, immRem1n:$imm), 
-          (SUBQr (SLr GPRC:$RA, (nearP2X immRem1n:$imm)), GPRC:$RA)>;
-def : Pat<(mul GPRC:$RA, immRem2n:$imm), 
-          (SUBQr (SLr GPRC:$RA, (nearP2X immRem2n:$imm)), (ADDQr GPRC:$RA, GPRC:$RA))>;
-def : Pat<(mul GPRC:$RA, immRem3n:$imm),
-          (SUBQr (SLr GPRC:$RA, (nearP2X immRem3n:$imm)), (S4SUBQr GPRC:$RA, GPRC:$RA))>;
-def : Pat<(mul GPRC:$RA, immRem4n:$imm),
-          (SUBQr (SLr GPRC:$RA, (nearP2X immRem4n:$imm)), (SLi GPRC:$RA, 2))>;
-def : Pat<(mul GPRC:$RA, immRem5n:$imm),
-          (SUBQr (SLr GPRC:$RA, (nearP2X immRem5n:$imm)), (S4ADDQr GPRC:$RA, GPRC:$RA))>;
-def : Pat<(mul GPRC:$RA, immRemP2n:$imm),
-          (SUBQr (SLr GPRC:$RA, (nearP2X immRemP2n:$imm)), (SLi GPRC:$RA, (nearP2RemX immRemP2n:$imm)))>;
+//FIXME: figure out why something is truncating the imm to 32bits
+// this will fix 2007-11-27-mulneg3
+//def : Pat<(mul GPRC:$RA, immRem1n:$imm), 
+//          (SUBQr (SLr GPRC:$RA, (nearP2X immRem1n:$imm)), GPRC:$RA)>;
+//def : Pat<(mul GPRC:$RA, immRem2n:$imm), 
+//          (SUBQr (SLr GPRC:$RA, (nearP2X immRem2n:$imm)), (ADDQr GPRC:$RA, GPRC:$RA))>;
+//def : Pat<(mul GPRC:$RA, immRem3n:$imm),
+//          (SUBQr (SLr GPRC:$RA, (nearP2X immRem3n:$imm)), (S4SUBQr GPRC:$RA, GPRC:$RA))>;
+//def : Pat<(mul GPRC:$RA, immRem4n:$imm),
+//          (SUBQr (SLr GPRC:$RA, (nearP2X immRem4n:$imm)), (SLi GPRC:$RA, 2))>;
+//def : Pat<(mul GPRC:$RA, immRem5n:$imm),
+//          (SUBQr (SLr GPRC:$RA, (nearP2X immRem5n:$imm)), (S4ADDQr GPRC:$RA, GPRC:$RA))>;
+//def : Pat<(mul GPRC:$RA, immRemP2n:$imm),
+//          (SUBQr (SLr GPRC:$RA, (nearP2X immRemP2n:$imm)), (SLi GPRC:$RA, (nearP2RemX immRemP2n:$imm)))>;
 } //Added complexity