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authorUros Bizjak <ubizjak@gmail.com>2018-06-28 21:02:02 +0200
committerUros Bizjak <uros@gcc.gnu.org>2018-06-28 21:02:02 +0200
commit81c8283fb6fe366ce6b1615cf3d05427e2f91d14 (patch)
tree4413896b17ffbcf90b302f017c21f89f41999eb3
parent9cd1665b997d3cdf4d6984b6268d3d9da19dcba8 (diff)
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re PR target/86348 (ICE: in curr_insn_transform, at lra-constraints.c:3919: unable to generate reloads for: vec_extractv4si_0_zext_sse4)
PR target/86348 * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): Use alternative 0 in preferred_for_speed attribute. testsuite/ChangeLog: PR target/86348 * gcc.target/i386/pr86348.c: New test. From-SVN: r262228
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/config/i386/sse.md2
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.target/i386/pr86348.c12
4 files changed, 24 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1edab9e..09b24e6 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2018-06-28 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/86348
+ * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): Use
+ alternative 0 in preferred_for_speed attribute.
+
2018-06-28 Paul Koning <ni1d@arrl.net>
* config/pdp11/pdp11-protos.h (pdp11_shift_length): New function.
diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index 2d4e495..0420da8 100644
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -13715,7 +13715,7 @@
"#"
[(set_attr "isa" "x64,*,avx512f")
(set (attr "preferred_for_speed")
- (cond [(eq_attr "alternative" "1")
+ (cond [(eq_attr "alternative" "0")
(symbol_ref "TARGET_INTER_UNIT_MOVES_FROM_VEC")
]
(symbol_ref "true")))])
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index b7a47ed..197a468 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2018-06-28 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/86348
+ * gcc.target/i386/pr86348.c: New test.
+
2018-06-28 Wilco Dijkstra <wdijkstr@arm.com>
* gcc.target/aarch64/f16_mov_immediate_3.c: Fix testcase.
diff --git a/gcc/testsuite/gcc.target/i386/pr86348.c b/gcc/testsuite/gcc.target/i386/pr86348.c
new file mode 100644
index 0000000..c4a3c9f8
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr86348.c
@@ -0,0 +1,12 @@
+/* { dg-do compile { target { ia32 } } } */
+/* { dg-options "-O -mtune=athlon -msse4" } */
+
+int i;
+unsigned __attribute__ ((__vector_size__ (16))) v;
+
+void
+foo (void)
+{
+ v *= i;
+ i = i > -(long long) v[0];
+}