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| author | Tom de Vries <tom@codesourcery.com> | 2014-06-20 08:02:02 +0000 |
|---|---|---|
| committer | Tom de Vries <vries@gcc.gnu.org> | 2014-06-20 08:02:02 +0000 |
| commit | 6621ab6860fb6a52bdfc23029770fa5e73fb4c9a (patch) | |
| tree | 0fd3ef33f4a20318f41bb8a41a35c50494805647 /gcc | |
| parent | 5fea81869314bd3283beec1e2f05865c331c3cda (diff) | |
| download | gcc-6621ab6860fb6a52bdfc23029770fa5e73fb4c9a.zip gcc-6621ab6860fb6a52bdfc23029770fa5e73fb4c9a.tar.gz gcc-6621ab6860fb6a52bdfc23029770fa5e73fb4c9a.tar.bz2 | |
Fix finding reg-sets of call insn
2014-06-20 Tom de Vries <tom@codesourcery.com>
* final.c (collect_fn_hard_reg_usage): Add separate IOR_HARD_REG_SET for
get_call_reg_set_usage.
From-SVN: r211841
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/final.c | 12 |
2 files changed, 13 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 108bc5f..ae42dcb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2014-06-20 Tom de Vries <tom@codesourcery.com> + * final.c (collect_fn_hard_reg_usage): Add separate IOR_HARD_REG_SET for + get_call_reg_set_usage. + +2014-06-20 Tom de Vries <tom@codesourcery.com> + * final.c (collect_fn_hard_reg_usage): Don't save function_used_regs if it contains all call_used_regs. diff --git a/gcc/final.c b/gcc/final.c index e67e84b..bbeb50d 100644 --- a/gcc/final.c +++ b/gcc/final.c @@ -4775,12 +4775,16 @@ collect_fn_hard_reg_usage (void) if (!NONDEBUG_INSN_P (insn)) continue; - find_all_hard_reg_sets (insn, &insn_used_regs, false); + if (CALL_P (insn)) + { + if (!get_call_reg_set_usage (insn, &insn_used_regs, + call_used_reg_set)) + return; - if (CALL_P (insn) - && !get_call_reg_set_usage (insn, &insn_used_regs, call_used_reg_set)) - return; + IOR_HARD_REG_SET (function_used_regs, insn_used_regs); + } + find_all_hard_reg_sets (insn, &insn_used_regs, false); IOR_HARD_REG_SET (function_used_regs, insn_used_regs); } |