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authorschwab <schwab@138bc75d-0d04-0410-961f-82ee72b054a4>2017-06-20 10:27:32 +0000
committerschwab <schwab@138bc75d-0d04-0410-961f-82ee72b054a4>2017-06-20 10:27:32 +0000
commit434ca1d9a3d1a67e41fb934518b121a480f32d2e (patch)
tree0cdbdef246e277407b19d9d082f447de512ac525
parent760680df9dc3ac271093974b085b32f005358f0a (diff)
downloadgcc-434ca1d9a3d1a67e41fb934518b121a480f32d2e.tar.gz
PR target/80970
* config/m68k/m68k.md (bsetdreg, bchgdreg, bclrdreg): Use "=d" instead of "+d". git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-7-branch@249402 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/config/m68k/m68k.md6
-rw-r--r--gcc/testsuite/gcc.dg/torture/pr80970.c13
3 files changed, 22 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f1b4b8bfcc1..b23ab131099 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2017-06-20 Andreas Schwab <schwab@suse.de>
+
+ PR target/80970
+ * config/m68k/m68k.md (bsetdreg, bchgdreg, bclrdreg): Use "=d"
+ instead of "+d".
+
2017-06-19 James Greenhalgh <james.greenhalgh@arm.com>
Backport from mainline
diff --git a/gcc/config/m68k/m68k.md b/gcc/config/m68k/m68k.md
index 5bf6c92d3d5..7933f8eb253 100644
--- a/gcc/config/m68k/m68k.md
+++ b/gcc/config/m68k/m68k.md
@@ -5337,7 +5337,7 @@
[(set_attr "type" "bitrw")])
(define_insn "*bsetdreg"
- [(set (match_operand:SI 0 "register_operand" "+d")
+ [(set (match_operand:SI 0 "register_operand" "=d")
(ior:SI (ashift:SI (const_int 1)
(and:SI (match_operand:SI 1 "register_operand" "d")
(const_int 31)))
@@ -5350,7 +5350,7 @@
[(set_attr "type" "bitrw")])
(define_insn "*bchgdreg"
- [(set (match_operand:SI 0 "register_operand" "+d")
+ [(set (match_operand:SI 0 "register_operand" "=d")
(xor:SI (ashift:SI (const_int 1)
(and:SI (match_operand:SI 1 "register_operand" "d")
(const_int 31)))
@@ -5363,7 +5363,7 @@
[(set_attr "type" "bitrw")])
(define_insn "*bclrdreg"
- [(set (match_operand:SI 0 "register_operand" "+d")
+ [(set (match_operand:SI 0 "register_operand" "=d")
(and:SI (rotate:SI (const_int -2)
(and:SI (match_operand:SI 1 "register_operand" "d")
(const_int 31)))
diff --git a/gcc/testsuite/gcc.dg/torture/pr80970.c b/gcc/testsuite/gcc.dg/torture/pr80970.c
new file mode 100644
index 00000000000..3b96b581e33
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr80970.c
@@ -0,0 +1,13 @@
+/* { dg-do compile } */
+
+int a, b, c, d, e;
+void f ()
+{
+ long g, h;
+ if (c)
+ e = d;
+ g = d & 31;
+ h = 1 << g;
+ a = e | h;
+ b = a;
+}