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| author | Tom de Vries <tom@codesourcery.com> | 2014-05-28 21:50:28 +0000 |
|---|---|---|
| committer | Tom de Vries <vries@gcc.gnu.org> | 2014-05-28 21:50:28 +0000 |
| commit | ea0b381f6e6b7a7261f028007453a8fe99587aa0 (patch) | |
| tree | a85218b1d43ae3380e45d9f5caad31d59415b71d /gcc/lra.c | |
| parent | 73f793e3bb4e0a2bd04536f8bbc861c34cfec945 (diff) | |
| download | gcc-ea0b381f6e6b7a7261f028007453a8fe99587aa0.zip gcc-ea0b381f6e6b7a7261f028007453a8fe99587aa0.tar.gz gcc-ea0b381f6e6b7a7261f028007453a8fe99587aa0.tar.bz2 | |
revert: lra-int.h (struct lra_reg): Add field actual_call_used_reg_set.
2014-05-28 Tom de Vries <tom@codesourcery.com>
Revert:
2014-05-28 Tom de Vries <tom@codesourcery.com>
* lra-int.h (struct lra_reg): Add field actual_call_used_reg_set.
* lra.c (initialize_lra_reg_info_element): Add init of
actual_call_used_reg_set field.
(lra): Call lra_create_live_ranges before lra_inheritance for
-fuse-caller-save.
* lra-assigns.c (lra_assign): Allow call_used_regs to cross calls for
-fuse-caller-save.
* lra-constraints.c (need_for_call_save_p): Use actual_call_used_reg_set
instead of call_used_reg_set for -fuse-caller-save.
* lra-lives.c (process_bb_lives): Calculate actual_call_used_reg_set.
From-SVN: r211033
Diffstat (limited to 'gcc/lra.c')
| -rw-r--r-- | gcc/lra.c | 14 |
1 files changed, 1 insertions, 13 deletions
@@ -1427,7 +1427,6 @@ initialize_lra_reg_info_element (int i) lra_reg_info[i].no_stack_p = false; #endif CLEAR_HARD_REG_SET (lra_reg_info[i].conflict_hard_regs); - CLEAR_HARD_REG_SET (lra_reg_info[i].actual_call_used_reg_set); lra_reg_info[i].preferred_hard_regno1 = -1; lra_reg_info[i].preferred_hard_regno2 = -1; lra_reg_info[i].preferred_hard_regno_profit1 = 0; @@ -2345,18 +2344,7 @@ lra (FILE *f) lra_eliminate (false, false); /* Do inheritance only for regular algorithms. */ if (! lra_simple_p) - { - if (flag_use_caller_save) - { - if (live_p) - lra_clear_live_ranges (); - /* As a side-effect of lra_create_live_ranges, we calculate - actual_call_used_reg_set, which is needed during - lra_inheritance. */ - lra_create_live_ranges (true); - } - lra_inheritance (); - } + lra_inheritance (); if (live_p) lra_clear_live_ranges (); /* We need live ranges for lra_assign -- so build them. */ |