More extloads
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75950 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/SystemZ/SystemZISelLowering.cpp b/lib/Target/SystemZ/SystemZISelLowering.cpp
index 6860420..54e3b9e 100644
--- a/lib/Target/SystemZ/SystemZISelLowering.cpp
+++ b/lib/Target/SystemZ/SystemZISelLowering.cpp
@@ -52,6 +52,9 @@
setShiftAmountType(MVT::i32);
// Provide all sorts of operation actions
+ setLoadExtAction(ISD::SEXTLOAD, MVT::i1, Promote);
+ setLoadExtAction(ISD::ZEXTLOAD, MVT::i1, Promote);
+ setLoadExtAction(ISD::EXTLOAD, MVT::i1, Promote);
setStackPointerRegisterToSaveRestore(SystemZ::R15D);
setSchedulingPreference(SchedulingForLatency);
diff --git a/lib/Target/SystemZ/SystemZInstrInfo.td b/lib/Target/SystemZ/SystemZInstrInfo.td
index 87c5344..7f0439d 100644
--- a/lib/Target/SystemZ/SystemZInstrInfo.td
+++ b/lib/Target/SystemZ/SystemZInstrInfo.td
@@ -176,14 +176,20 @@
}]>;
// extloads
+def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
+def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
def extloadi64i8 : PatFrag<(ops node:$ptr), (i64 (extloadi8 node:$ptr))>;
def extloadi64i16 : PatFrag<(ops node:$ptr), (i64 (extloadi16 node:$ptr))>;
def extloadi64i32 : PatFrag<(ops node:$ptr), (i64 (extloadi32 node:$ptr))>;
+def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
+def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
def sextloadi64i8 : PatFrag<(ops node:$ptr), (i64 (sextloadi8 node:$ptr))>;
def sextloadi64i16 : PatFrag<(ops node:$ptr), (i64 (sextloadi16 node:$ptr))>;
def sextloadi64i32 : PatFrag<(ops node:$ptr), (i64 (sextloadi32 node:$ptr))>;
+def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
+def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
def zextloadi64i8 : PatFrag<(ops node:$ptr), (i64 (zextloadi8 node:$ptr))>;
def zextloadi64i16 : PatFrag<(ops node:$ptr), (i64 (zextloadi16 node:$ptr))>;
def zextloadi64i32 : PatFrag<(ops node:$ptr), (i64 (zextloadi32 node:$ptr))>;
@@ -392,6 +398,12 @@
[(store (i64 immSExt16:$src), riaddr:$dst)]>;
// extloads
+def MOVSX32rm8 : Pseudo<(outs GR32:$dst), (ins rriaddr:$src),
+ "lb\t{$dst, $src}",
+ [(set GR32:$dst, (sextloadi32i8 rriaddr:$src))]>;
+def MOVSX32rm16 : Pseudo<(outs GR32:$dst), (ins rriaddr:$src),
+ "lhy\t{$dst, $src}",
+ [(set GR32:$dst, (sextloadi32i16 rriaddr:$src))]>;
def MOVSX64rm8 : Pseudo<(outs GR64:$dst), (ins rriaddr:$src),
"lgb\t{$dst, $src}",
[(set GR64:$dst, (sextloadi64i8 rriaddr:$src))]>;
@@ -402,6 +414,12 @@
"lgf\t{$dst, $src}",
[(set GR64:$dst, (sextloadi64i32 rriaddr:$src))]>;
+def MOVZX32rm8 : Pseudo<(outs GR32:$dst), (ins rriaddr:$src),
+ "llc\t{$dst, $src}",
+ [(set GR32:$dst, (zextloadi32i8 rriaddr:$src))]>;
+def MOVZX32rm16 : Pseudo<(outs GR32:$dst), (ins rriaddr:$src),
+ "llh\t{$dst, $src}",
+ [(set GR32:$dst, (zextloadi32i16 rriaddr:$src))]>;
def MOVZX64rm8 : Pseudo<(outs GR64:$dst), (ins rriaddr:$src),
"llgc\t{$dst, $src}",
[(set GR64:$dst, (zextloadi64i8 rriaddr:$src))]>;
@@ -732,6 +750,8 @@
(MOVSX64rr32 (EXTRACT_SUBREG GR64:$src, subreg_32bit))>;
// extload patterns
+def : Pat<(extloadi32i8 rriaddr:$src), (MOVZX32rm8 rriaddr:$src)>;
+def : Pat<(extloadi32i16 rriaddr:$src), (MOVZX32rm16 rriaddr:$src)>;
def : Pat<(extloadi64i8 rriaddr:$src), (MOVZX64rm8 rriaddr:$src)>;
def : Pat<(extloadi64i16 rriaddr:$src), (MOVZX64rm16 rriaddr:$src)>;
def : Pat<(extloadi64i32 rriaddr:$src), (MOVZX64rm32 rriaddr:$src)>;