diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0301-config-sparc-sparc.md-setjmp-Handle-PIC-mode-and-use.patch')
-rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0301-config-sparc-sparc.md-setjmp-Handle-PIC-mode-and-use.patch | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0301-config-sparc-sparc.md-setjmp-Handle-PIC-mode-and-use.patch b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0301-config-sparc-sparc.md-setjmp-Handle-PIC-mode-and-use.patch new file mode 100644 index 0000000000..0b827c1178 --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0301-config-sparc-sparc.md-setjmp-Handle-PIC-mode-and-use.patch | |||
@@ -0,0 +1,56 @@ | |||
1 | From 0a4d0f222b48850a59769bc1d53327ea4c819e8b Mon Sep 17 00:00:00 2001 | ||
2 | From: ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | ||
3 | Date: Sat, 21 May 2011 22:49:41 +0000 | ||
4 | Subject: [PATCH] * config/sparc/sparc.md (setjmp): Handle PIC mode and use the hard | ||
5 | frame pointer. | ||
6 | |||
7 | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@174014 138bc75d-0d04-0410-961f-82ee72b054a4 | ||
8 | |||
9 | index 853bd2f..5e16179 100644 | ||
10 | --- a/gcc/config/sparc/sparc.md | ||
11 | +++ b/gcc/config/sparc/sparc.md | ||
12 | @@ -6507,8 +6507,8 @@ | ||
13 | (const_int 4)))]) | ||
14 | |||
15 | ;; For __builtin_setjmp we need to flush register windows iff the function | ||
16 | -;; calls alloca as well, because otherwise the register window might be | ||
17 | -;; saved after %sp adjustment and thus setjmp would crash | ||
18 | +;; calls alloca as well, because otherwise the current register window might | ||
19 | +;; be saved after the %sp adjustment and thus setjmp would crash. | ||
20 | (define_expand "builtin_setjmp_setup" | ||
21 | [(match_operand 0 "register_operand" "r")] | ||
22 | "" | ||
23 | @@ -6547,19 +6547,26 @@ | ||
24 | (eq_attr "pic" "true") | ||
25 | (const_int 4)] (const_int 3)))]) | ||
26 | |||
27 | -;; Pattern for use after a setjmp to store FP and the return register | ||
28 | -;; into the stack area. | ||
29 | +;; Pattern for use after a setjmp to store registers into the save area. | ||
30 | |||
31 | (define_expand "setjmp" | ||
32 | [(const_int 0)] | ||
33 | "" | ||
34 | { | ||
35 | rtx mem; | ||
36 | - | ||
37 | + | ||
38 | + if (flag_pic) | ||
39 | + { | ||
40 | + mem = gen_rtx_MEM (Pmode, | ||
41 | + plus_constant (stack_pointer_rtx, | ||
42 | + SPARC_STACK_BIAS + 7 * UNITS_PER_WORD)); | ||
43 | + emit_insn (gen_rtx_SET (VOIDmode, mem, pic_offset_table_rtx)); | ||
44 | + } | ||
45 | + | ||
46 | mem = gen_rtx_MEM (Pmode, | ||
47 | plus_constant (stack_pointer_rtx, | ||
48 | SPARC_STACK_BIAS + 14 * UNITS_PER_WORD)); | ||
49 | - emit_insn (gen_rtx_SET (VOIDmode, mem, frame_pointer_rtx)); | ||
50 | + emit_insn (gen_rtx_SET (VOIDmode, mem, hard_frame_pointer_rtx)); | ||
51 | |||
52 | mem = gen_rtx_MEM (Pmode, | ||
53 | plus_constant (stack_pointer_rtx, | ||
54 | -- | ||
55 | 1.7.0.4 | ||
56 | |||