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Fix ICE.

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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.
This commit is contained in:
liuhongt 2021-08-23 17:00:36 +08:00
parent b284053bb7
commit 70c7ab5c48
2 changed files with 11 additions and 1 deletions
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2
gcc/config/i386/sse.md
View File

@ -11256,7 +11256,7 @@
(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)]

10
gcc/testsuite/gcc.target/i386/pr102016.c Normal file
View File

@ -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);
}