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* [gcc r13-2253] x86: Handle V16BF in ix86_avx256_split_vector_move_misalign
@ 2022-08-29 14:46 H.J. Lu
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From: H.J. Lu @ 2022-08-29 14:46 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:60d1d296b42b22b08d4eaa38bea02100c07261ac
commit r13-2253-g60d1d296b42b22b08d4eaa38bea02100c07261ac
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Aug 26 10:26:06 2022 -0700
x86: Handle V16BF in ix86_avx256_split_vector_move_misalign
Handle E_V16BFmode in ix86_avx256_split_vector_move_misalign and add
V16BF to V_256H iterator.
gcc/
PR target/106748
* config/i386/i386-expand.cc
(ix86_avx256_split_vector_move_misalign): Handle E_V16BFmode.
* config/i386/sse.md (V_256H): Add V16BF.
gcc/testsuite/
PR target/106748
* gcc.target/i386/pr106748.c: New test.
Diff:
---
gcc/config/i386/i386-expand.cc | 4 ++++
gcc/config/i386/sse.md | 4 ++--
gcc/testsuite/gcc.target/i386/pr106748.c | 20 ++++++++++++++++++++
3 files changed, 26 insertions(+), 2 deletions(-)
diff --git a/gcc/config/i386/i386-expand.cc b/gcc/config/i386/i386-expand.cc
index 4b216308a18..836ebc82d67 100644
--- a/gcc/config/i386/i386-expand.cc
+++ b/gcc/config/i386/i386-expand.cc
@@ -745,6 +745,10 @@ ix86_avx256_split_vector_move_misalign (rtx op0, rtx op1)
extract = gen_avx_vextractf128v32qi;
mode = V16QImode;
break;
+ case E_V16BFmode:
+ extract = gen_avx_vextractf128v16bf;
+ mode = V8BFmode;
+ break;
case E_V16HFmode:
extract = gen_avx_vextractf128v16hf;
mode = V8HFmode;
diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index e6ab3c92dcf..259048481b6 100644
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -297,9 +297,9 @@
(define_mode_iterator V_256
[V32QI V16HI V8SI V4DI V8SF V4DF])
-;; All 256bit vector modes including HF vector mode
+;; All 256bit vector modes including HF/BF vector modes
(define_mode_iterator V_256H
- [V32QI V16HI V8SI V4DI V8SF V4DF V16HF])
+ [V32QI V16HI V8SI V4DI V8SF V4DF V16HF V16BF])
;; All 128bit and 256bit vector modes
(define_mode_iterator V_128_256
diff --git a/gcc/testsuite/gcc.target/i386/pr106748.c b/gcc/testsuite/gcc.target/i386/pr106748.c
new file mode 100644
index 00000000000..6388b1deb23
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr106748.c
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-O0 -mavx256-split-unaligned-store -mavx -fpack-struct" } */
+
+typedef __bf16 __m256bf16 __attribute__((__vector_size__(32)));
+typedef struct {
+ __m256bf16 _m256bf16[1];
+} YMM_T;
+
+struct {
+ YMM_T ymm0;
+} fregs;
+
+__m256bf16 do_test_u3b_0_0;
+int do_test_i;
+
+void
+do_test()
+{
+ (&fregs.ymm0)[do_test_i]._m256bf16[0] = do_test_u3b_0_0;
+}
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