[gentoo-commits] proj/gcc-patches:master commit in: 15.0.0/gentoo/

["Sam James" <sam@gentoo.org>]

commit:     f3f27691478a0b256a3b52348bae96f5a6b5f089
Author:     Sam James <sam <AT> gentoo <DOT> org>
AuthorDate: Sun Jul 14 23:35:47 2024 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Sun Jul 14 23:35:47 2024 +0000
URL:        https://gitweb.gentoo.org/proj/gcc-patches.git/commit/?id=f3f27691

15.0.0: don't enable -fext-dce with -O2

Bug: https://gcc.gnu.org/PR115876
Bug: https://gcc.gnu.org/PR115877
Bug: https://gcc.gnu.org/PR115912
Bug: https://gcc.gnu.org/PR115916
Bug: https://gcc.gnu.org/PR115927
Signed-off-by: Sam James <sam <AT> gentoo.org>

 ...gcc_don-t-enable-fext-dce-with-O2-for-now.patch | 34 ++++++++++++++++++++++
 15.0.0/gentoo/README.history                       |  4 +++
 2 files changed, 38 insertions(+)

diff --git a/15.0.0/gentoo/78_all_gcc_don-t-enable-fext-dce-with-O2-for-now.patch b/15.0.0/gentoo/78_all_gcc_don-t-enable-fext-dce-with-O2-for-now.patch
new file mode 100644
index 0000000..82c5535
--- /dev/null
+++ b/15.0.0/gentoo/78_all_gcc_don-t-enable-fext-dce-with-O2-for-now.patch
@@ -0,0 +1,34 @@
+From 86de2fd7550f75a318aa9819b115487cd850b4fc Mon Sep 17 00:00:00 2001
+From: Sam James <sam@gentoo.org>
+Date: Mon, 15 Jul 2024 00:32:18 +0100
+Subject: [PATCH] gcc: don't enable -fext-dce with -O2 for now
+
+There's too many bugs involving it for now.
+
+    gcc/
+            * opts.cc (default_options_table): Don't enable ext-dce at -O2
+
+Bug: https://gcc.gnu.org/PR115876
+Bug: https://gcc.gnu.org/PR115877
+Bug: https://gcc.gnu.org/PR115912
+Bug: https://gcc.gnu.org/PR115916
+Bug: https://gcc.gnu.org/PR115927
+---
+ gcc/opts.cc | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/gcc/opts.cc b/gcc/opts.cc
+index be90a632338f..e1a1bdf15822 100644
+--- a/gcc/opts.cc
++++ b/gcc/opts.cc
+@@ -634,7 +634,6 @@ static const struct default_options default_options_table[] =
+     { OPT_LEVELS_2_PLUS, OPT_fdevirtualize, NULL, 1 },
+     { OPT_LEVELS_2_PLUS, OPT_fdevirtualize_speculatively, NULL, 1 },
+     { OPT_LEVELS_2_PLUS, OPT_fexpensive_optimizations, NULL, 1 },
+-    { OPT_LEVELS_2_PLUS, OPT_fext_dce, NULL, 1 },
+     { OPT_LEVELS_2_PLUS, OPT_fgcse, NULL, 1 },
+     { OPT_LEVELS_2_PLUS, OPT_fhoist_adjacent_loads, NULL, 1 },
+     { OPT_LEVELS_2_PLUS, OPT_findirect_inlining, NULL, 1 },
+-- 
+2.45.2
+

diff --git a/15.0.0/gentoo/README.history b/15.0.0/gentoo/README.history
index efe48af..eddda8f 100644
--- a/15.0.0/gentoo/README.history
+++ b/15.0.0/gentoo/README.history
@@ -1,3 +1,7 @@
+5	15 July 2024
+
+	+ 78_all_gcc_don-t-enable-fext-dce-with-O2-for-now.patch
+
 4	16 June 2024
 
 	- 77_all_PR115387.patch