diff mbox series

[i386] Fix ICE.

Message ID 20210823094940.686090-1-hongtao.liu@intel.com
State New
Headers show
Series [i386] Fix ICE. | expand

Commit Message

liuhongt Aug. 23, 2021, 9:49 a.m. UTC 
Bootstrapped and regtested on x86_64-linux-gnu{-m32,}.
  Pushed to trunk.

gcc/ChangeLog:

	PR target/102016
	* config/i386/sse.md (*avx512f_pshufb_truncv8hiv8qi_1): Add
	TARGET_AVX512BW to condition.

gcc/testsuite/ChangeLog:

	PR target/102016
	* gcc.target/i386/pr102016.c: New test.
---
 gcc/config/i386/sse.md                   |  2 +-
 gcc/testsuite/gcc.target/i386/pr102016.c | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 gcc/testsuite/gcc.target/i386/pr102016.c
diff mbox series

Patch

diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index 13889687793..95f95823ea3 100644
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -11256,7 +11256,7 @@  (define_insn_and_split "*avx512f_pshufb_truncv8hiv8qi_1"
 	       (match_operand:V16QI 2 "pshufb_truncv8hiv8qi_operand")]
 	   UNSPEC_PSHUFB) 0)
 	  (parallel [(const_int 0)])))]
-  "TARGET_AVX512VL && ix86_pre_reload_split ()"
+  "TARGET_AVX512VL && TARGET_AVX512BW && ix86_pre_reload_split ()"
   "#"
   "&& 1"
   [(const_int 0)]
diff --git a/gcc/testsuite/gcc.target/i386/pr102016.c b/gcc/testsuite/gcc.target/i386/pr102016.c
new file mode 100644
index 00000000000..2ff75cb898a
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr102016.c
@@ -0,0 +1,10 @@ 
+/* { dg-do compile } */
+/* { dg-options "-mavx512vl -O2" } */
+typedef char v8qi __attribute__((vector_size (8)));
+typedef char v16qi __attribute__((vector_size (16)));
+v8qi
+foo_wb_128 (v16qi x)
+{
+  return __builtin_shufflevector (x, x,
+				  0, 2, 4, 6, 8, 10, 12, 14);
+}