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 @@ +From 0a4d0f222b48850a59769bc1d53327ea4c819e8b Mon Sep 17 00:00:00 2001 +From: ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Sat, 21 May 2011 22:49:41 +0000 +Subject: [PATCH] * config/sparc/sparc.md (setjmp): Handle PIC mode and use the hard + frame pointer. + +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@174014 138bc75d-0d04-0410-961f-82ee72b054a4 + +index 853bd2f..5e16179 100644 +--- a/gcc/config/sparc/sparc.md ++++ b/gcc/config/sparc/sparc.md +@@ -6507,8 +6507,8 @@ + (const_int 4)))]) + + ;; For __builtin_setjmp we need to flush register windows iff the function +-;; calls alloca as well, because otherwise the register window might be +-;; saved after %sp adjustment and thus setjmp would crash ++;; calls alloca as well, because otherwise the current register window might ++;; be saved after the %sp adjustment and thus setjmp would crash. + (define_expand "builtin_setjmp_setup" + [(match_operand 0 "register_operand" "r")] + "" +@@ -6547,19 +6547,26 @@ + (eq_attr "pic" "true") + (const_int 4)] (const_int 3)))]) + +-;; Pattern for use after a setjmp to store FP and the return register +-;; into the stack area. ++;; Pattern for use after a setjmp to store registers into the save area. + + (define_expand "setjmp" + [(const_int 0)] + "" + { + rtx mem; +- ++ ++ if (flag_pic) ++ { ++ mem = gen_rtx_MEM (Pmode, ++ plus_constant (stack_pointer_rtx, ++ SPARC_STACK_BIAS + 7 * UNITS_PER_WORD)); ++ emit_insn (gen_rtx_SET (VOIDmode, mem, pic_offset_table_rtx)); ++ } ++ + mem = gen_rtx_MEM (Pmode, + plus_constant (stack_pointer_rtx, + SPARC_STACK_BIAS + 14 * UNITS_PER_WORD)); +- emit_insn (gen_rtx_SET (VOIDmode, mem, frame_pointer_rtx)); ++ emit_insn (gen_rtx_SET (VOIDmode, mem, hard_frame_pointer_rtx)); + + mem = gen_rtx_MEM (Pmode, + plus_constant (stack_pointer_rtx, +-- +1.7.0.4 + |