diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 9 |
2 files changed, 12 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 969aec8..3ad6d1c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2013-12-10 Kai Tietz <ktietz@redhat.com> + + PR target/56807 + * config/i386/i386.c (ix86_expand_prologue): Address saved + registers stack-relative, not via frame-pointer. + 2013-12-10 Richard Biener <rguenther@suse.de> PR middle-end/38474 diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 5a75bf9..cdd63e5 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -10946,18 +10946,21 @@ ix86_expand_prologue (void) } m->fs.sp_offset += allocate; + /* Use stack_pointer_rtx for relative addressing so that code + works for realigned stack, too. */ if (r10_live && eax_live) { - t = choose_baseaddr (m->fs.sp_offset - allocate); + t = plus_constant (Pmode, stack_pointer_rtx, allocate); emit_move_insn (gen_rtx_REG (word_mode, R10_REG), gen_frame_mem (word_mode, t)); - t = choose_baseaddr (m->fs.sp_offset - allocate - UNITS_PER_WORD); + t = plus_constant (Pmode, stack_pointer_rtx, + allocate - UNITS_PER_WORD); emit_move_insn (gen_rtx_REG (word_mode, AX_REG), gen_frame_mem (word_mode, t)); } else if (eax_live || r10_live) { - t = choose_baseaddr (m->fs.sp_offset - allocate); + t = plus_constant (Pmode, stack_pointer_rtx, allocate); emit_move_insn (gen_rtx_REG (word_mode, (eax_live ? AX_REG : R10_REG)), gen_frame_mem (word_mode, t)); |