commit: ab60d0a28615153ee13cbf1401bdcdf2382ae0c4 Author: Sam James <sam <AT> gentoo <DOT> org> AuthorDate: Fri May 5 02:37:32 2023 +0000 Commit: Sam James <sam <AT> gentoo <DOT> org> CommitDate: Fri May 5 02:37:32 2023 +0000 URL: https://gitweb.gentoo.org/proj/gcc-patches.git/commit/?id=ab60d0a2
11.4.0: drop upstream 77_all_all_PR109585_13_rtl-alias-analysis-typo.patch Signed-off-by: Sam James <sam <AT> gentoo.org> ...l_all_PR109585_13_rtl-alias-analysis-typo.patch | 79 ---------------------- 11.4.0/gentoo/README.history | 3 + 2 files changed, 3 insertions(+), 79 deletions(-) diff --git a/11.4.0/gentoo/77_all_all_PR109585_13_rtl-alias-analysis-typo.patch b/11.4.0/gentoo/77_all_all_PR109585_13_rtl-alias-analysis-typo.patch deleted file mode 100644 index b7b57d6..0000000 --- a/11.4.0/gentoo/77_all_all_PR109585_13_rtl-alias-analysis-typo.patch +++ /dev/null @@ -1,79 +0,0 @@ -https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109609 -https://gcc.gnu.org/git/gitweb.cgi?p=gcc.git;h=ef6051b36241bf130bf76af0b775248635dc616e - -From ef6051b36241bf130bf76af0b775248635dc616e Mon Sep 17 00:00:00 2001 -From: Richard Biener <[email protected]> -Date: Mon, 24 Apr 2023 13:31:07 +0200 -Subject: [PATCH] rtl-optimization/109585 - alias analysis typo - -When r10-514-gc6b84edb6110dd2b4fb improved access path analysis -it introduced a typo that triggers when there's an access to a -trailing array in the first access path leading to false -disambiguation. - - PR rtl-optimization/109585 - * tree-ssa-alias.c (aliasing_component_refs_p): Fix typo. - - * gcc.dg/torture/pr109585.c: New testcase. - -(cherry picked from commit 6d4bd27a60447c7505cb4783e675e98a191a8904) ---- - gcc/testsuite/gcc.dg/torture/pr109585.c | 33 +++++++++++++++++++++++++ - gcc/tree-ssa-alias.c | 2 +- - 2 files changed, 34 insertions(+), 1 deletion(-) - create mode 100644 gcc/testsuite/gcc.dg/torture/pr109585.c - -diff --git a/gcc/testsuite/gcc.dg/torture/pr109585.c b/gcc/testsuite/gcc.dg/torture/pr109585.c -new file mode 100644 -index 00000000000..f92de7c1f2e ---- /dev/null -+++ b/gcc/testsuite/gcc.dg/torture/pr109585.c -@@ -0,0 +1,33 @@ -+/* { dg-do run } */ -+ -+#include <stdlib.h> -+ -+struct P { -+ long v; -+ struct P *n; -+}; -+ -+struct F { -+ long x; -+ struct P fam[]; -+}; -+ -+int __attribute__((noipa)) -+f(struct F *f, int i) -+{ -+ struct P *p = f->fam; -+ asm("" : "+r"(f): "r"(p)); -+ p->v = 0; -+ p->n = 0; -+ return f->fam->n != 0; -+} -+ -+int -+main() -+{ -+ struct F *m = malloc (sizeof (long) + 2 * sizeof (struct P)); -+ m->fam[0].n = &m->fam[1]; -+ if (f (m, 0)) -+ abort (); -+ return 0; -+} -diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c -index b1e7a2d5afc..be7b597266f 100644 ---- a/gcc/tree-ssa-alias.c -+++ b/gcc/tree-ssa-alias.c -@@ -1326,7 +1326,7 @@ aliasing_component_refs_p (tree ref1, - /* If we didn't find a common base, try the other way around. */ - if (cmp_outer <= 0 - || (end_struct_ref1 -- && compare_type_sizes (TREE_TYPE (end_struct_ref1), type1) <= 0)) -+ && compare_type_sizes (TREE_TYPE (end_struct_ref1), type2) <= 0)) - { - int res = aliasing_component_refs_walk (ref2, type2, base2, - offset2, max_size2, --- -2.31.1 diff --git a/11.4.0/gentoo/README.history b/11.4.0/gentoo/README.history index a5fca96..b578306 100644 --- a/11.4.0/gentoo/README.history +++ b/11.4.0/gentoo/README.history @@ -1,3 +1,6 @@ +10 5 May 2023 + - 77_all_all_PR109585_13_rtl-alias-analysis-typo.patch + 9 28 Apr 2023 + 77_all_all_PR109585_13_rtl-alias-analysis-typo.patch
