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| author | Bernd Schmidt <bernds@cygnus.co.uk> | 1999-11-19 11:36:25 +0000 |
|---|---|---|
| committer | Bernd Schmidt <crux@gcc.gnu.org> | 1999-11-19 11:36:25 +0000 |
| commit | 73d65336b7ea7591387c04c3a42c4e75641cc86c (patch) | |
| tree | 222549fdc1f1ee5bfaed9e88103cd3f015bdc6ab | |
| parent | 96e7ae40d8b639b1f257162a414c729f75e9c035 (diff) | |
| download | gcc-73d65336b7ea7591387c04c3a42c4e75641cc86c.zip gcc-73d65336b7ea7591387c04c3a42c4e75641cc86c.tar.gz gcc-73d65336b7ea7591387c04c3a42c4e75641cc86c.tar.bz2 | |
addr_affects_sp_p now unconditional
From-SVN: r30586
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/cse.c | 9 |
2 files changed, 6 insertions, 9 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 46c575b..a8aa1d7 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk> + + * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC. + (invalidate_skipped_set): Call it unconditionally. + (cse_set_around_loop): Likewise. + Fri Nov 18 13:39:22 CET 1999 Jam Hubicka <hubicka@freesoft.cz> * i386.h (struct_processor_costs): New fileds int_load, int_store, fp_move, fp_load and fp_store @@ -680,9 +680,7 @@ static void record_jump_equiv PROTO((rtx, int)); static void record_jump_cond PROTO((enum rtx_code, enum machine_mode, rtx, rtx, int)); static void cse_insn PROTO((rtx, rtx)); -#ifdef AUTO_INC_DEC static int addr_affects_sp_p PROTO((rtx)); -#endif static void invalidate_from_clobbers PROTO((rtx)); static rtx cse_process_notes PROTO((rtx, rtx)); static void cse_around_loop PROTO((rtx)); @@ -5924,8 +5922,6 @@ invalidate_memory () } } -#ifdef AUTO_INC_DEC - /* If ADDR is an address that implicitly affects the stack pointer, return 1 and update the register tables to show the effect. Else, return 0. */ @@ -5950,7 +5946,6 @@ addr_affects_sp_p (addr) return 0; } -#endif /* Perform invalidation on the basis of everything about an insn except for invalidating the actual places that are SET in it. @@ -6175,9 +6170,7 @@ invalidate_skipped_set (dest, set, data) enum rtx_code code = GET_CODE (dest); if (code == MEM -#ifdef AUTO_INC_DEC && ! addr_affects_sp_p (dest) /* If this is not a stack push ... */ -#endif /* There are times when an address can appear varying and be a PLUS during this scan when it would be a fixed address were we to know the proper equivalences. So invalidate all memory if there is @@ -6350,10 +6343,8 @@ cse_set_around_loop (x, insn, loop_start) } } -#ifdef AUTO_INC_DEC /* Deal with the destination of X affecting the stack pointer. */ addr_affects_sp_p (SET_DEST (x)); -#endif /* See comment on similar code in cse_insn for explanation of these tests. */ |