diff options
| author | V3n3RiX <venerix@koprulu.sector> | 2023-04-12 17:41:40 +0100 |
|---|---|---|
| committer | V3n3RiX <venerix@koprulu.sector> | 2023-04-12 17:41:40 +0100 |
| commit | 5b36c18aaba339882ed70281371a1059d9e7943f (patch) | |
| tree | ee1cf1ca0dffa2095e5f17a0f50578fee7f5562e /sys-devel/gcc/files/gcc-13.0.1_pre20230409-PR109473-ICE-reduction-epilog.patch | |
| parent | d15be4fe2ff3e70717117a938dbe5a11cec60a7b (diff) | |
gentoo auto-resync : 12:04:2023 - 17:41:40
Diffstat (limited to 'sys-devel/gcc/files/gcc-13.0.1_pre20230409-PR109473-ICE-reduction-epilog.patch')
| -rw-r--r-- | sys-devel/gcc/files/gcc-13.0.1_pre20230409-PR109473-ICE-reduction-epilog.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/sys-devel/gcc/files/gcc-13.0.1_pre20230409-PR109473-ICE-reduction-epilog.patch b/sys-devel/gcc/files/gcc-13.0.1_pre20230409-PR109473-ICE-reduction-epilog.patch new file mode 100644 index 000000000000..cab26653a09d --- /dev/null +++ b/sys-devel/gcc/files/gcc-13.0.1_pre20230409-PR109473-ICE-reduction-epilog.patch @@ -0,0 +1,58 @@ +https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=df7f55cb2ae550adeda339a57b657ebe1ad39367 +https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109473 + +From df7f55cb2ae550adeda339a57b657ebe1ad39367 Mon Sep 17 00:00:00 2001 +From: Richard Biener <rguenther@suse.de> +Date: Wed, 12 Apr 2023 10:22:08 +0200 +Subject: [PATCH] tree-optimization/109473 - ICE with reduction epilog + adjustment op + +The following makes sure to carry out the reduction epilog adjustment +in the original computation type which for pointers is an unsigned +integer type. There's a similar issue with signed vs. unsigned ops +and overflow which is fixed by this as well. + + PR tree-optimization/109473 + * tree-vect-loop.cc (vect_create_epilog_for_reduction): + Convert scalar result to the computation type before performing + the reduction adjustment. + + * gcc.dg/vect/pr109473.c: New testcase. +--- /dev/null ++++ b/gcc/testsuite/gcc.dg/vect/pr109473.c +@@ -0,0 +1,16 @@ ++/* { dg-do compile } */ ++/* { dg-additional-options "-O" } */ ++ ++struct spa_buffer { ++ __UINT32_TYPE__ *metas; ++}; ++void do_port_use_buffers(struct spa_buffer **buffers, void *endptr, void *mem) ++{ ++ for (int i = 0; i < 128; i++) ++ { ++ for (int j = 0; j < 128; j++) ++ endptr = (void *)((__UINTPTR_TYPE__)endptr + buffers[i]->metas[j]); ++ if (endptr > mem) ++ return; ++ } ++} +--- a/gcc/tree-vect-loop.cc ++++ b/gcc/tree-vect-loop.cc +@@ -6297,9 +6297,12 @@ vect_create_epilog_for_reduction (loop_vec_info loop_vinfo, + { + new_temp = scalar_results[0]; + gcc_assert (TREE_CODE (TREE_TYPE (adjustment_def)) != VECTOR_TYPE); +- adjustment_def = gimple_convert (&stmts, scalar_type, adjustment_def); +- new_temp = gimple_build (&stmts, code, scalar_type, ++ adjustment_def = gimple_convert (&stmts, TREE_TYPE (vectype), ++ adjustment_def); ++ new_temp = gimple_convert (&stmts, TREE_TYPE (vectype), new_temp); ++ new_temp = gimple_build (&stmts, code, TREE_TYPE (vectype), + new_temp, adjustment_def); ++ new_temp = gimple_convert (&stmts, scalar_type, new_temp); + } + + epilog_stmt = gimple_seq_last_stmt (stmts); +-- +2.31.1 |