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authorH.J. Lu <hjl.tools@gmail.com>2022-10-19 12:53:35 -0700
committerH.J. Lu <hjl.tools@gmail.com>2022-11-08 14:24:30 -0800
commitbb08940b30bd50c6e860bb8ac72d6f2ce7c1b25d (patch)
tree39f830114c46c901e74c110be1d569c6935d7735 /gcc
parent15dfc5f929e838eefc435a47ef8e72eb51790c67 (diff)
Always use TYPE_MODE instead of DECL_MODE for vector field
e034c5c8957 re PR target/78643 (ICE in convert_move, at expr.c:230) fixed the case where DECL_MODE of a vector field is BLKmode and its TYPE_MODE is a vector mode because of target attribute. Remove the BLKmode check for the case where DECL_MODE of a vector field is a vector mode and its TYPE_MODE isn't a vector mode because of target attribute. gcc/ PR target/107304 * expr.c (get_inner_reference): Always use TYPE_MODE for vector field with vector raw mode. gcc/testsuite/ PR target/107304 * gcc.target/i386/pr107304.c: New test. (cherry picked from commit 1c64aba8cdf6509533f554ad86640f274cdbe37f)
Diffstat (limited to 'gcc')
-rw-r--r--gcc/expr.c3
-rw-r--r--gcc/testsuite/gcc.target/i386/pr107304.c39
2 files changed, 40 insertions, 2 deletions
diff --git a/gcc/expr.c b/gcc/expr.c
index 10f0b816dd1..dabee814240 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -7282,8 +7282,7 @@ get_inner_reference (tree exp, poly_int64_pod *pbitsize,
/* For vector fields re-check the target flags, as DECL_MODE
could have been set with different target flags than
the current function has. */
- if (mode == BLKmode
- && VECTOR_TYPE_P (TREE_TYPE (field))
+ if (VECTOR_TYPE_P (TREE_TYPE (field))
&& VECTOR_MODE_P (TYPE_MODE_RAW (TREE_TYPE (field))))
mode = TYPE_MODE (TREE_TYPE (field));
}
diff --git a/gcc/testsuite/gcc.target/i386/pr107304.c b/gcc/testsuite/gcc.target/i386/pr107304.c
new file mode 100644
index 00000000000..80badc11682
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr107304.c
@@ -0,0 +1,39 @@
+/* { dg-do compile } */
+/* { dg-options "-O0 -march=tigerlake" } */
+
+#include <stdint.h>
+
+typedef union {
+ uint8_t v __attribute__((aligned(256))) __attribute__ ((vector_size(64 * sizeof(uint8_t))));
+ uint8_t i[64] __attribute__((aligned(256)));
+} stress_vec_u8_64_t;
+
+typedef struct {
+ struct {
+ stress_vec_u8_64_t s;
+ stress_vec_u8_64_t o;
+ stress_vec_u8_64_t mask1;
+ stress_vec_u8_64_t mask2;
+ } u8_64;
+} stress_vec_data_t;
+
+__attribute__((target_clones("arch=skylake", "default")))
+void
+stress_vecshuf_u8_64(stress_vec_data_t *data)
+{
+ stress_vec_u8_64_t *__restrict s;
+ stress_vec_u8_64_t *__restrict mask1;
+ stress_vec_u8_64_t *__restrict mask2;
+ register int i;
+
+ s = &data->u8_64.s;
+ mask1 = &data->u8_64.mask1;
+ mask2 = &data->u8_64.mask2;
+
+ for (i = 0; i < 256; i++) { /* was i < 65536 */
+ stress_vec_u8_64_t tmp;
+
+ tmp.v = __builtin_shuffle(s->v, mask1->v);
+ s->v = __builtin_shuffle(tmp.v, mask2->v);
+ }
+}