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* [gcc/devel/omp/gcc-13] vect: vectorize via libfuncs
@ 2023-06-20 9:51 Andrew Stubbs
0 siblings, 0 replies; only message in thread
From: Andrew Stubbs @ 2023-06-20 9:51 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:273fadc1f3d3667b587c2facc8724df91de7ddb0
commit 273fadc1f3d3667b587c2facc8724df91de7ddb0
Author: Andrew Stubbs <ams@codesourcery.com>
Date: Tue Jun 13 16:44:31 2023 +0100
vect: vectorize via libfuncs
This patch allows vectorization when the libfuncs are defined.
gcc/ChangeLog:
* tree-vect-generic.cc: Include optabs-libfuncs.h.
(get_compute_type): Check optab_libfunc.
* tree-vect-stmts.cc: Include optabs-libfuncs.h.
(vectorizable_operation): Check optab_libfunc.
(cherry picked from commit 1f97a0b412ed0984ff4af381b222b87424c08dbd)
Diff:
---
gcc/ChangeLog.omp | 10 ++++++++++
gcc/tree-vect-generic.cc | 5 ++++-
gcc/tree-vect-stmts.cc | 5 +++--
3 files changed, 17 insertions(+), 3 deletions(-)
diff --git a/gcc/ChangeLog.omp b/gcc/ChangeLog.omp
index 486ba9e733f..10cdd421b1a 100644
--- a/gcc/ChangeLog.omp
+++ b/gcc/ChangeLog.omp
@@ -1,3 +1,13 @@
+2023-06-20 Andrew Stubbs <ams@codesourcery.com>
+
+ Backport from mainline:
+ 2023-06-19 Andrew Stubbs <ams@codesourcery.com>
+
+ * tree-vect-generic.cc: Include optabs-libfuncs.h.
+ (get_compute_type): Check optab_libfunc.
+ * tree-vect-stmts.cc: Include optabs-libfuncs.h.
+ (vectorizable_operation): Check optab_libfunc.
+
2023-06-20 Andrew Stubbs <ams@codesourcery.com>
Backport from mainline:
diff --git a/gcc/tree-vect-generic.cc b/gcc/tree-vect-generic.cc
index 445da53292e..d02a2a16ed3 100644
--- a/gcc/tree-vect-generic.cc
+++ b/gcc/tree-vect-generic.cc
@@ -44,6 +44,7 @@ along with GCC; see the file COPYING3. If not see
#include "gimple-fold.h"
#include "gimple-match.h"
#include "recog.h" /* FIXME: for insn_data */
+#include "optabs-libfuncs.h"
/* Build a ternary operation and gimplify it. Emit code before GSI.
@@ -1743,7 +1744,9 @@ get_compute_type (enum tree_code code, optab op, tree type)
machine_mode compute_mode = TYPE_MODE (compute_type);
if (VECTOR_MODE_P (compute_mode))
{
- if (op && optab_handler (op, compute_mode) != CODE_FOR_nothing)
+ if (op
+ && (optab_handler (op, compute_mode) != CODE_FOR_nothing
+ || optab_libfunc (op, compute_mode)))
return compute_type;
if (code == MULT_HIGHPART_EXPR
&& can_mult_highpart_p (compute_mode,
diff --git a/gcc/tree-vect-stmts.cc b/gcc/tree-vect-stmts.cc
index 05a4e746506..6e962ed0ef4 100644
--- a/gcc/tree-vect-stmts.cc
+++ b/gcc/tree-vect-stmts.cc
@@ -55,6 +55,7 @@ along with GCC; see the file COPYING3. If not see
#include "gimple-fold.h"
#include "regs.h"
#include "attribs.h"
+#include "optabs-libfuncs.h"
/* For lang_hooks.types.type_for_mode. */
#include "langhooks.h"
@@ -6382,8 +6383,8 @@ vectorizable_operation (vec_info *vinfo,
"no optab.\n");
return false;
}
- target_support_p = (optab_handler (optab, vec_mode)
- != CODE_FOR_nothing);
+ target_support_p = (optab_handler (optab, vec_mode) != CODE_FOR_nothing
+ || optab_libfunc (optab, vec_mode));
}
bool using_emulated_vectors_p = vect_emulated_vector_p (vectype);
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