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* [gcc r12-3569] Check mask type when doing cond_op related gimple simplification.
@ 2021-09-16 8:35 hongtao Liu
0 siblings, 0 replies; only message in thread
From: hongtao Liu @ 2021-09-16 8:35 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:a26ff83ed07e33c4aa46f3314553c0d15ca21100
commit r12-3569-ga26ff83ed07e33c4aa46f3314553c0d15ca21100
Author: liuhongt <hongtao.liu@intel.com>
Date: Thu Sep 2 13:05:54 2021 +0800
Check mask type when doing cond_op related gimple simplification.
gcc/ChangeLog:
PR middle-end/102080
* match.pd: Check mask type when doing cond_op related gimple
simplification.
* tree.c (is_truth_type_for): New function.
* tree.h (is_truth_type_for): New declaration.
gcc/testsuite/ChangeLog:
PR middle-end/102080
* gcc.target/i386/pr102080.c: New test.
Diff:
---
gcc/match.pd | 8 ++++----
gcc/testsuite/gcc.target/i386/pr102080.c | 19 +++++++++++++++++++
gcc/tree.c | 29 +++++++++++++++++++++++++++++
gcc/tree.h | 1 +
4 files changed, 53 insertions(+), 4 deletions(-)
diff --git a/gcc/match.pd b/gcc/match.pd
index 008f7758c96..41f9e6d97f0 100644
--- a/gcc/match.pd
+++ b/gcc/match.pd
@@ -7020,13 +7020,13 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT)
(vec_cond @0 (view_convert? (uncond_op@4 @1 @2)) @3)
(with { tree op_type = TREE_TYPE (@4); }
(if (vectorized_internal_fn_supported_p (as_internal_fn (cond_op), op_type)
- && element_precision (type) == element_precision (op_type))
+ && is_truth_type_for (op_type, TREE_TYPE (@0)))
(view_convert (cond_op @0 @1 @2 (view_convert:op_type @3))))))
(simplify
(vec_cond @0 @1 (view_convert? (uncond_op@4 @2 @3)))
(with { tree op_type = TREE_TYPE (@4); }
(if (vectorized_internal_fn_supported_p (as_internal_fn (cond_op), op_type)
- && element_precision (type) == element_precision (op_type))
+ && is_truth_type_for (op_type, TREE_TYPE (@0)))
(view_convert (cond_op (bit_not @0) @2 @3 (view_convert:op_type @1)))))))
/* Same for ternary operations. */
@@ -7036,13 +7036,13 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT)
(vec_cond @0 (view_convert? (uncond_op@5 @1 @2 @3)) @4)
(with { tree op_type = TREE_TYPE (@5); }
(if (vectorized_internal_fn_supported_p (as_internal_fn (cond_op), op_type)
- && element_precision (type) == element_precision (op_type))
+ && is_truth_type_for (op_type, TREE_TYPE (@0)))
(view_convert (cond_op @0 @1 @2 @3 (view_convert:op_type @4))))))
(simplify
(vec_cond @0 @1 (view_convert? (uncond_op@5 @2 @3 @4)))
(with { tree op_type = TREE_TYPE (@5); }
(if (vectorized_internal_fn_supported_p (as_internal_fn (cond_op), op_type)
- && element_precision (type) == element_precision (op_type))
+ && is_truth_type_for (op_type, TREE_TYPE (@0)))
(view_convert (cond_op (bit_not @0) @2 @3 @4
(view_convert:op_type @1)))))))
#endif
diff --git a/gcc/testsuite/gcc.target/i386/pr102080.c b/gcc/testsuite/gcc.target/i386/pr102080.c
new file mode 100644
index 00000000000..4c5ee32ee63
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr102080.c
@@ -0,0 +1,19 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+#include<immintrin.h>
+typedef float __m256 __attribute__((__vector_size__(32)));
+__m256 _mm256_blendv_ps___Y, _mm256_blendv_ps___M, _mm256_mul_ps___A,
+ _mm256_mul_ps___B, IfThenElse___trans_tmp_9;
+
+void
+__attribute__ ((target("avx")))
+IfThenElse (__m256 no) {
+ IfThenElse___trans_tmp_9 = _mm256_blendv_ps (no, _mm256_blendv_ps___Y, _mm256_blendv_ps___M);
+}
+void
+__attribute__ ((target("avx512vl")))
+EncodedFromDisplay() {
+ __m256 __trans_tmp_11 = _mm256_mul_ps___A * _mm256_mul_ps___B;
+ IfThenElse(__trans_tmp_11);
+}
diff --git a/gcc/tree.c b/gcc/tree.c
index 3d15948fd1a..994775d7314 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -10737,6 +10737,35 @@ signed_type_for (tree type)
return signed_or_unsigned_type_for (0, type);
}
+/* - For VECTOR_TYPEs:
+ - The truth type must be a VECTOR_BOOLEAN_TYPE.
+ - The number of elements must match (known_eq).
+ - targetm.vectorize.get_mask_mode exists, and exactly
+ the same mode as the truth type.
+ - Otherwise, the truth type must be a BOOLEAN_TYPE
+ or useless_type_conversion_p to BOOLEAN_TYPE. */
+bool
+is_truth_type_for (tree type, tree truth_type)
+{
+ machine_mode mask_mode = TYPE_MODE (truth_type);
+ machine_mode vmode = TYPE_MODE (type);
+ machine_mode tmask_mode;
+
+ if (TREE_CODE (type) == VECTOR_TYPE)
+ {
+ if (VECTOR_BOOLEAN_TYPE_P (truth_type)
+ && known_eq (TYPE_VECTOR_SUBPARTS (type),
+ TYPE_VECTOR_SUBPARTS (truth_type))
+ && targetm.vectorize.get_mask_mode (vmode).exists (&tmask_mode)
+ && tmask_mode == mask_mode)
+ return true;
+
+ return false;
+ }
+
+ return useless_type_conversion_p (boolean_type_node, truth_type);
+}
+
/* If TYPE is a vector type, return a signed integer vector type with the
same width and number of subparts. Otherwise return boolean_type_node. */
diff --git a/gcc/tree.h b/gcc/tree.h
index 7274ba75f59..8477f8914cb 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -4591,6 +4591,7 @@ extern tree build_string_literal (unsigned, const char * = NULL,
extern tree signed_or_unsigned_type_for (int, tree);
extern tree signed_type_for (tree);
extern tree unsigned_type_for (tree);
+extern bool is_truth_type_for (tree, tree);
extern tree truth_type_for (tree);
extern tree build_pointer_type_for_mode (tree, machine_mode, bool);
extern tree build_pointer_type (tree);
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2021-09-16 8:35 [gcc r12-3569] Check mask type when doing cond_op related gimple simplification hongtao Liu
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