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| author | Steven Bosscher <steven@gcc.gnu.org> | 2004-07-27 19:09:32 +0000 |
|---|---|---|
| committer | Steven Bosscher <steven@gcc.gnu.org> | 2004-07-27 19:09:32 +0000 |
| commit | 3fbd86b1a8f955095a30129300bf55d12195b392 (patch) | |
| tree | 3d2deb55bb0ac08950644e984c159ecbcc49e955 /gcc/rtl.c | |
| parent | d078f7c01015454aeb28818c67a69198659ecf85 (diff) | |
| download | gcc-3fbd86b1a8f955095a30129300bf55d12195b392.tar.gz | |
cfgexpand.c (tree_expand_cfg): Fix comment.
* cfgexpand.c (tree_expand_cfg): Fix comment.
* calls.c (expand_call): Ignore rtx_equal_function_value_matters.
* function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
Remove.
(prepare_function_start): Don't set rtx_equal_function_value_matters.
* integrate.c (copy_rtx_and_substitute): Don't test for it.
* passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
Don't set rtx_equal_function_value_matters. Don't register RTL hooks
here again. Update leading comment.
* rtl.c (rtx_equal_function_value_matters): Remove.
(rtx_equal_p): Don't test for it.
* simplify-rtx.c (simplify_binary_operation, simplify_subreg):
Likewise.
* rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
* rtl.c (note_insn_name): Likewise.
* emit-rtl.c (remove_unnecessary_notes): Don't handle it.
* final.c (final_scan_insn): Likewise.
* except.c (finish_eh_generation): Don't call cfg_cleanup from here.
* passes.c (rest_of_handle_eh): Do it here.
* stmt.c (struct nesting): Remove struct nesting block member.
(struct stmt_status): Remove x_block_start_count field.
(current_block_start_count): Remove.
From-SVN: r85228
Diffstat (limited to 'gcc/rtl.c')
| -rw-r--r-- | gcc/rtl.c | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/gcc/rtl.c b/gcc/rtl.c index 533b2f12274..74c85351abe 100644 --- a/gcc/rtl.c +++ b/gcc/rtl.c @@ -116,7 +116,7 @@ const char * const note_insn_name[NOTE_INSN_MAX - NOTE_INSN_BIAS] = "NOTE_INSN_BLOCK_BEG", "NOTE_INSN_BLOCK_END", "NOTE_INSN_LOOP_BEG", "NOTE_INSN_LOOP_END", "NOTE_INSN_LOOP_CONT", "NOTE_INSN_LOOP_VTOP", - "NOTE_INSN_LOOP_END_TOP_COND", "NOTE_INSN_FUNCTION_END", + "NOTE_INSN_FUNCTION_END", "NOTE_INSN_PROLOGUE_END", "NOTE_INSN_EPILOGUE_BEG", "NOTE_INSN_DELETED_LABEL", "NOTE_INSN_FUNCTION_BEG", "NOTE_INSN_EH_REGION_BEG", "NOTE_INSN_EH_REGION_END", @@ -318,9 +318,6 @@ shallow_copy_rtx_stat (rtx orig MEM_STAT_DECL) return copy; } -/* This is 1 until after the rtl generation pass. */ -int rtx_equal_function_value_matters; - /* Nonzero when we are generating CONCATs. */ int generating_concat_p; @@ -355,14 +352,7 @@ rtx_equal_p (rtx x, rtx y) switch (code) { case REG: - /* Until rtl generation is complete, don't consider a reference - to the return register of the current function the same as - the return from a called function. This eases the job of - function integration. Once the distinction is no longer - needed, they can be considered equivalent. */ - return (REGNO (x) == REGNO (y) - && (! rtx_equal_function_value_matters - || REG_FUNCTION_VALUE_P (x) == REG_FUNCTION_VALUE_P (y))); + return (REGNO (x) == REGNO (y)); case LABEL_REF: return XEXP (x, 0) == XEXP (y, 0); |