diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0318-config-sparc-sparc.c-sparc_option_override-If-not-se.patch')
-rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0318-config-sparc-sparc.c-sparc_option_override-If-not-se.patch | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0318-config-sparc-sparc.c-sparc_option_override-If-not-se.patch b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0318-config-sparc-sparc.c-sparc_option_override-If-not-se.patch new file mode 100644 index 0000000000..cbdd2df093 --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0318-config-sparc-sparc.c-sparc_option_override-If-not-se.patch | |||
@@ -0,0 +1,27 @@ | |||
1 | From c270038da4551bed55d36f8b51337a03bce0e1b2 Mon Sep 17 00:00:00 2001 | ||
2 | From: ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | ||
3 | Date: Tue, 24 May 2011 22:29:40 +0000 | ||
4 | Subject: [PATCH] * config/sparc/sparc.c (sparc_option_override): If not set by the user, | ||
5 | force flag_ira_share_save_slots to 0. | ||
6 | |||
7 | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@174149 138bc75d-0d04-0410-961f-82ee72b054a4 | ||
8 | |||
9 | index 8ad374a..c6a2047 100644 | ||
10 | --- a/gcc/config/sparc/sparc.c | ||
11 | +++ b/gcc/config/sparc/sparc.c | ||
12 | @@ -970,6 +970,12 @@ sparc_option_override (void) | ||
13 | ? 64 : 32), | ||
14 | global_options.x_param_values, | ||
15 | global_options_set.x_param_values); | ||
16 | + | ||
17 | + /* Disable save slot sharing for call-clobbered registers by default. | ||
18 | + The IRA sharing algorithm works on single registers only and this | ||
19 | + pessimizes for double floating-point registers. */ | ||
20 | + if (!global_options_set.x_flag_ira_share_save_slots) | ||
21 | + flag_ira_share_save_slots = 0; | ||
22 | } | ||
23 | |||
24 | /* Miscellaneous utilities. */ | ||
25 | -- | ||
26 | 1.7.0.4 | ||
27 | |||