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| author | kan <kan@FreeBSD.org> | 2006-08-26 21:29:10 +0000 |
|---|---|---|
| committer | kan <kan@FreeBSD.org> | 2006-08-26 21:29:10 +0000 |
| commit | ab6c6e434e4ca0bf593007d49dee6eceb73286c0 (patch) | |
| tree | 843ffc6140f66bf60562adb1bf8d3d82b9739b5e /contrib/gcc/flow.c | |
| parent | 8a6911d2bb988a943624cbf4e4041b827d9ade53 (diff) | |
| download | FreeBSD-src-ab6c6e434e4ca0bf593007d49dee6eceb73286c0.zip FreeBSD-src-ab6c6e434e4ca0bf593007d49dee6eceb73286c0.tar.gz | |
Gcc 3.4.6 as of 2006/08/25 #116475.
Diffstat (limited to 'contrib/gcc/flow.c')
| -rw-r--r-- | contrib/gcc/flow.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/contrib/gcc/flow.c b/contrib/gcc/flow.c index fed908d..9f1e1b7 100644 --- a/contrib/gcc/flow.c +++ b/contrib/gcc/flow.c @@ -104,7 +104,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA life_analysis fills in certain vectors containing information about register usage: REG_N_REFS, REG_N_DEATHS, REG_N_SETS, REG_LIVE_LENGTH, - REG_N_CALLS_CROSSED and REG_BASIC_BLOCK. + REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED and REG_BASIC_BLOCK. life_analysis sets current_function_sp_is_unchanging if the function doesn't modify the stack pointer. */ @@ -1470,6 +1470,7 @@ allocate_reg_life_data (void) REG_N_REFS (i) = 0; REG_N_DEATHS (i) = 0; REG_N_CALLS_CROSSED (i) = 0; + REG_N_THROWING_CALLS_CROSSED (i) = 0; REG_LIVE_LENGTH (i) = 0; REG_FREQ (i) = 0; REG_BASIC_BLOCK (i) = REG_BLOCK_UNKNOWN; @@ -1688,8 +1689,13 @@ propagate_one_insn (struct propagate_block_info *pbi, rtx insn) record this for them. */ if (GET_CODE (insn) == CALL_INSN && (flags & PROP_REG_INFO)) - EXECUTE_IF_SET_IN_REG_SET (pbi->reg_live, 0, i, - { REG_N_CALLS_CROSSED (i)++; }); + { + EXECUTE_IF_SET_IN_REG_SET (pbi->reg_live, 0, i, + { REG_N_CALLS_CROSSED (i)++; }); + if (can_throw_internal (insn)) + EXECUTE_IF_SET_IN_REG_SET (pbi->reg_live, 0, i, + { REG_N_THROWING_CALLS_CROSSED (i)++; }); + } /* Record sets. Do this even for dead instructions, since they would have killed the values if they hadn't been deleted. */ @@ -3365,7 +3371,11 @@ attempt_auto_inc (struct propagate_block_info *pbi, rtx inc, rtx insn, that REGNO now crosses them. */ for (temp = insn; temp != incr; temp = NEXT_INSN (temp)) if (GET_CODE (temp) == CALL_INSN) - REG_N_CALLS_CROSSED (regno)++; + { + REG_N_CALLS_CROSSED (regno)++; + if (can_throw_internal (temp)) + REG_N_THROWING_CALLS_CROSSED (regno)++; + } /* Invalidate alias info for Q since we just changed its value. */ clear_reg_alias_info (q); |
