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authorHal Finkel <hfinkel@anl.gov>2012-06-19 02:34:32 +0000
committerHal Finkel <hfinkel@anl.gov>2012-06-19 02:34:32 +0000
commitac81cc3282750d724f824547bc519caec0a01bce (patch)
tree48f285432c176d1b7a400213c23f69059aecbab3 /lib/Target/PowerPC/PPCInstrInfo.td
parent565bdbf598d92e86ccf526a151892e3171846650 (diff)
Add support for generating reg+reg preinc stores on PPC.
PPC will now generate STWUX and friends. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158698 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PowerPC/PPCInstrInfo.td')
-rw-r--r--lib/Target/PowerPC/PPCInstrInfo.td50
1 files changed, 44 insertions, 6 deletions
diff --git a/lib/Target/PowerPC/PPCInstrInfo.td b/lib/Target/PowerPC/PPCInstrInfo.td
index e4af8846df..c9cdd5c192 100644
--- a/lib/Target/PowerPC/PPCInstrInfo.td
+++ b/lib/Target/PowerPC/PPCInstrInfo.td
@@ -349,6 +349,7 @@ def ixaddr : ComplexPattern<iPTR, 2, "SelectAddrImmShift", [], []>; // "std"
/// This is just the offset part of iaddr, used for preinc.
def iaddroff : ComplexPattern<iPTR, 1, "SelectAddrImmOffs", [], []>;
+def xaddroff : ComplexPattern<iPTR, 1, "SelectAddrIdxOffs", [], []>;
//===----------------------------------------------------------------------===//
// PowerPC Instruction Predicate Definitions.
@@ -822,12 +823,49 @@ def STWX : XForm_8<31, 151, (outs), (ins GPRC:$rS, memrr:$dst),
"stwx $rS, $dst", LdStStore,
[(store GPRC:$rS, xaddr:$dst)]>,
PPC970_DGroup_Cracked;
-
-let mayStore = 1 in {
-def STWUX : XForm_8<31, 183, (outs), (ins GPRC:$rS, GPRC:$rA, GPRC:$rB),
- "stwux $rS, $rA, $rB", LdStStore,
- []>;
-}
+
+def STBUX : XForm_8<31, 247, (outs ptr_rc:$ea_res),
+ (ins GPRC:$rS, ptr_rc:$ptroff, ptr_rc:$ptrreg),
+ "stbux $rS, $ptroff, $ptrreg", LdStStore,
+ [(set ptr_rc:$ea_res,
+ (pre_truncsti8 GPRC:$rS,
+ ptr_rc:$ptrreg, xaddroff:$ptroff))]>,
+ RegConstraint<"$ptroff = $ea_res">, NoEncode<"$ea_res">,
+ PPC970_DGroup_Cracked;
+
+def STHUX : XForm_8<31, 439, (outs ptr_rc:$ea_res),
+ (ins GPRC:$rS, ptr_rc:$ptroff, ptr_rc:$ptrreg),
+ "sthux $rS, $ptroff, $ptrreg", LdStStore,
+ [(set ptr_rc:$ea_res,
+ (pre_truncsti16 GPRC:$rS,
+ ptr_rc:$ptrreg, xaddroff:$ptroff))]>,
+ RegConstraint<"$ptroff = $ea_res">, NoEncode<"$ea_res">,
+ PPC970_DGroup_Cracked;
+
+def STWUX : XForm_8<31, 183, (outs ptr_rc:$ea_res),
+ (ins GPRC:$rS, ptr_rc:$ptroff, ptr_rc:$ptrreg),
+ "stwux $rS, $ptroff, $ptrreg", LdStStore,
+ [(set ptr_rc:$ea_res,
+ (pre_store GPRC:$rS, ptr_rc:$ptrreg, xaddroff:$ptroff))]>,
+ RegConstraint<"$ptroff = $ea_res">, NoEncode<"$ea_res">,
+ PPC970_DGroup_Cracked;
+
+def STFSUX : XForm_8<31, 695, (outs ptr_rc:$ea_res),
+ (ins F4RC:$rS, ptr_rc:$ptroff, ptr_rc:$ptrreg),
+ "stfsux $rS, $ptroff, $ptrreg", LdStStore,
+ [(set ptr_rc:$ea_res,
+ (pre_store F4RC:$rS, ptr_rc:$ptrreg, xaddroff:$ptroff))]>,
+ RegConstraint<"$ptroff = $ea_res">, NoEncode<"$ea_res">,
+ PPC970_DGroup_Cracked;
+
+def STFDUX : XForm_8<31, 759, (outs ptr_rc:$ea_res),
+ (ins F8RC:$rS, ptr_rc:$ptroff, ptr_rc:$ptrreg),
+ "stfdux $rS, $ptroff, $ptrreg", LdStStore,
+ [(set ptr_rc:$ea_res,
+ (pre_store F8RC:$rS, ptr_rc:$ptrreg, xaddroff:$ptroff))]>,
+ RegConstraint<"$ptroff = $ea_res">, NoEncode<"$ea_res">,
+ PPC970_DGroup_Cracked;
+
def STHBRX: XForm_8<31, 918, (outs), (ins GPRC:$rS, memrr:$dst),
"sthbrx $rS, $dst", LdStStore,
[(PPCstbrx GPRC:$rS, xoaddr:$dst, i16)]>,