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-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/config/rs6000/rs6000.md2
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.target/powerpc/pr81348.c24
4 files changed, 36 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1a78572..85cb864 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2017-07-07 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ PR target/81348
+ * config/rs6000/rs6000.md (HI sign_extend splitter): Use the
+ correct operand in doing the split.
+
2017-07-07 Carl Love <cel@us.ibm.com>
* config/rs6000/rs6000-c: Add support for built-in function
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index f78dbf9..2fd9ef0 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -940,7 +940,7 @@
(set (match_dup 0)
(sign_extend:EXTHI (match_dup 2)))]
{
- operands[2] = gen_rtx_REG (HImode, REGNO (operands[1]));
+ operands[2] = gen_rtx_REG (HImode, REGNO (operands[0]));
})
(define_insn_and_split "*extendhi<mode>2_dot"
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index b6f6f80..cc0e5b8 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-07-07 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ PR target/81348
+ * gcc.target/powerpc/pr81348.c: New test.
+
2017-07-07 Szabolcs Nagy <szabolcs.nagy@arm.com>
* gfortran.dg/vect/pr60510.f: Require vect_double support.
diff --git a/gcc/testsuite/gcc.target/powerpc/pr81348.c b/gcc/testsuite/gcc.target/powerpc/pr81348.c
new file mode 100644
index 0000000..e8e10bb
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/pr81348.c
@@ -0,0 +1,24 @@
+/* { dg-do compile { target { powerpc64*-*-* && lp64 } } } */
+/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power9" } } */
+/* { dg-require-effective-target powerpc_p9vector_ok } */
+/* { dg-options "-mcpu=power9 -Og" } */
+
+/* PR target/81348: Compiler died in doing short->float conversion due to using
+ the wrong register in a define_split. */
+
+int a;
+short b;
+float ***c;
+
+void d(void)
+{
+ int e = 3;
+
+ if (a)
+ e = b;
+
+ ***c = e;
+}
+
+/* { dg-final { scan-assembler {\mlxsihzx\M} } } */
+/* { dg-final { scan-assembler {\mvextsh2d\M} } } */