diff options
| author | kenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-05-03 14:25:22 +0000 |
|---|---|---|
| committer | kenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-05-03 14:25:22 +0000 |
| commit | d5f9786fae594d6d9f449e98620f3009d9a6710d (patch) | |
| tree | 7ad4bd29e44c9c37b87311753f154d5fa72e515b /gcc/cse.c | |
| parent | fcf31ac6ce1b003bd96382d41e617bf1a803aff2 (diff) | |
| download | gcc-d5f9786fae594d6d9f449e98620f3009d9a6710d.tar.gz | |
* emit-rtl.c (last_call_insn, add_function_usage_to): New functions.
* rtl.h (last_call_insn, add_function_usage_to): New prototypes.
* builtins.c (expand_builtin_apply): Use the new emit-rtl functions.
* calls.c (emit_call_1): Likewise.
(expand_call): For calls initializing constant memory, replace
emission of standalone mem /u clobber with function usage entry.
* expr.c (emit_block_move_via_libcall): Likewise.
* cse.c (count_reg_usage, case EXPR_LIST): New case.
* flow.c (propagate_one_insn): Pass entire operand of
CALL_INSN_FUNCTION_USAGE to mark_used_regs.
* integrate.c (try_constants): For CALL_INSNs, substitute constants
within the FUNCTION_USAGE also.
* loop.c (prescan_loop): Note clobbers of const mem mentioned in
FUNCTION_USAGE lists.
* reload1.c (replace_pseudos_in): Renamed.
(reload): Use it for clobbers surviving until the end of the reload.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@66429 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/cse.c b/gcc/cse.c index a90f0d8979e..01c583cae07 100644 --- a/gcc/cse.c +++ b/gcc/cse.c @@ -7515,6 +7515,17 @@ count_reg_usage (x, counts, dest, incr) count_reg_usage (XEXP (note, 0), counts, NULL_RTX, incr); return; + case EXPR_LIST: + if (REG_NOTE_KIND (x) == REG_EQUAL + || (REG_NOTE_KIND (x) != REG_NONNEG && GET_CODE (XEXP (x,0)) == USE) + /* FUNCTION_USAGE expression lists may include (CLOBBER (mem /u)), + involving registers in the address. */ + || GET_CODE (XEXP (x, 0)) == CLOBBER) + count_reg_usage (XEXP (x, 0), counts, NULL_RTX, incr); + + count_reg_usage (XEXP (x, 1), counts, NULL_RTX, incr); + return; + case INSN_LIST: abort (); |