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| author | Paul Brook <paul@codesourcery.com> | 2004-03-15 15:30:58 +0000 |
|---|---|---|
| committer | Paul Brook <pbrook@gcc.gnu.org> | 2004-03-15 15:30:58 +0000 |
| commit | 983e64842fe8236e78dc11f6d0f569a224f0767f (patch) | |
| tree | 4f5fd5f0cc6b355f9e78d3b0c98e0cfad6858205 | |
| parent | e6f69614254b9df2875c93ed4d7ce5eed1a54c62 (diff) | |
| download | gcc-983e64842fe8236e78dc11f6d0f569a224f0767f.zip gcc-983e64842fe8236e78dc11f6d0f569a224f0767f.tar.gz gcc-983e64842fe8236e78dc11f6d0f569a224f0767f.tar.bz2 | |
* config/arm/arm.c (thumb_expand_prologue): Tie prologue insns to fp.
From-SVN: r79496
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/arm/arm.c | 6 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 365cd54..29cc5e4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2004-03-15 Paul Brook <paul@codesourcery.com> + + * config/arm/arm.c (thumb_expand_prologue): Tie prologue insns to fp. + 2004-03-15 Gabriel Dos Reis <gdr@integrable-solutions.net> * c-pretty-print.c (pp_c_semicolon): Fix formatting. diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 4cada0c..af59d83 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -13110,6 +13110,12 @@ thumb_expand_prologue (void) REG_NOTES (insn)); } } + /* If the frame pointer is needed, emit a special barrier that + will prevent the scheduler from moving stores to the frame + before the stack adjustment. */ + if (frame_pointer_needed) + emit_insn (gen_stack_tie (stack_pointer_rtx, + hard_frame_pointer_rtx)); } if (current_function_profile || TARGET_NO_SCHED_PRO) |