File gcc7-bsc1160086.patch of Package cross-x86_64-gcc7.17759
2019-12-17 Andreas Krebbel <krebbel@linux.ibm.com>
Backport from mainline
2019-12-16 Andreas Krebbel <krebbel@linux.ibm.com>
PR target/92950
* config/s390/vector.md ("mov<mode>" for V_8): Replace lh, lhy,
and lhrl with llc.
* gcc.target/s390/vector/pr92950.c: New test.
Index: gcc/testsuite/gcc.target/s390/vector/pr92950.c
===================================================================
--- gcc/testsuite/gcc.target/s390/vector/pr92950.c (nonexistent)
+++ gcc/testsuite/gcc.target/s390/vector/pr92950.c (revision 279454)
@@ -0,0 +1,24 @@
+/* { dg-do run } */
+/* { dg-options "-O3 -mzarch -march=z13" } */
+
+struct a {
+ int b;
+ char c;
+};
+struct a d = {1, 16};
+struct a *e = &d;
+
+int f = 0;
+
+int main() {
+ struct a g = {0, 0 };
+ f = 0;
+
+ for (; f <= 1; f++) {
+ g = d;
+ *e = g;
+ }
+
+ if (d.c != 16)
+ __builtin_abort();
+}
Index: gcc/config/s390/vector.md
===================================================================
--- gcc/config/s390/vector.md (revision 279453)
+++ gcc/config/s390/vector.md (revision 279454)
@@ -289,9 +289,9 @@ (define_split
; However, this would probably be slower.
(define_insn "mov<mode>"
- [(set (match_operand:V_8 0 "nonimmediate_operand" "=v,v,d,v,R, v, v, v, v,d, Q, S, Q, S, d, d,d,d,d,R,T")
- (match_operand:V_8 1 "general_operand" " v,d,v,R,v,j00,jm1,jyy,jxx,d,j00,j00,jm1,jm1,j00,jm1,R,T,b,d,d"))]
- ""
+ [(set (match_operand:V_8 0 "nonimmediate_operand" "=v,v,d,v,R, v, v, v, v,d, Q, S, Q, S, d, d,d,R,T")
+ (match_operand:V_8 1 "general_operand" " v,d,v,R,v,j00,jm1,jyy,jxx,d,j00,j00,jm1,jm1,j00,jm1,T,d,d"))]
+ "TARGET_VX"
"@
vlr\t%v0,%v1
vlvgb\t%v0,%1,0
@@ -309,12 +309,10 @@ (define_insn "mov<mode>"
mviy\t%0,-1
lhi\t%0,0
lhi\t%0,-1
- lh\t%0,%1
- lhy\t%0,%1
- lhrl\t%0,%1
+ llc\t%0,%1
stc\t%1,%0
stcy\t%1,%0"
- [(set_attr "op_type" "VRR,VRS,VRS,VRX,VRX,VRI,VRI,VRI,VRI,RR,SI,SIY,SI,SIY,RI,RI,RX,RXY,RIL,RX,RXY")])
+ [(set_attr "op_type" "VRR,VRS,VRS,VRX,VRX,VRI,VRI,VRI,VRI,RR,SI,SIY,SI,SIY,RI,RI,RXY,RX,RXY")])
(define_insn "mov<mode>"
[(set (match_operand:V_16 0 "nonimmediate_operand" "=v,v,d,v,R, v, v, v, v,d, Q, Q, d, d,d,d,d,R,T,b")