diff options
| author | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-06-30 17:51:49 +0000 |
|---|---|---|
| committer | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-06-30 17:51:49 +0000 |
| commit | 6b9eb5eed7360789ec6f16bea86e3386016e77ee (patch) | |
| tree | 59bec96239e410f2d7ce10e12f5364626f97553d /gcc/reload1.c | |
| parent | 2c43234d401bd957b0908a4eb423d36d658a9ae6 (diff) | |
| download | gcc-6b9eb5eed7360789ec6f16bea86e3386016e77ee.tar.gz | |
2008-06-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* global.c (compute_regsets): Set frame_pointer_needed here.
* reload1.c (init_elim_table): Don't set frame_pointer_needed
here.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@137275 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/reload1.c')
| -rw-r--r-- | gcc/reload1.c | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/gcc/reload1.c b/gcc/reload1.c index b1e90884712..297acbf8aa5 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -3695,7 +3695,9 @@ elimination_target_reg_p (rtx x) return false; } -/* Initialize the table of registers to eliminate. */ +/* Initialize the table of registers to eliminate. + Pre-condition: global flag frame_pointer_needed has been set before + calling this function. */ static void init_elim_table (void) @@ -3708,19 +3710,6 @@ init_elim_table (void) if (!reg_eliminate) reg_eliminate = XCNEWVEC (struct elim_table, NUM_ELIMINABLE_REGS); - /* Does this function require a frame pointer? */ - - frame_pointer_needed = (! flag_omit_frame_pointer - /* ?? If EXIT_IGNORE_STACK is set, we will not save - and restore sp for alloca. So we can't eliminate - the frame pointer in that case. At some point, - we should improve this by emitting the - sp-adjusting insns for this case. */ - || (cfun->calls_alloca - && EXIT_IGNORE_STACK) - || crtl->accesses_prior_frames - || FRAME_POINTER_REQUIRED); - num_eliminable = 0; #ifdef ELIMINABLE_REGS |