mirror/gcc
2
0
Fork 0
mirror of git://gcc.gnu.org/git/gcc.git synced 2025-02-22 06:49:19 +08:00
Code Issues Packages Projects Releases Wiki Activity

addr_affects_sp_p now unconditional

Browse Source 
From-SVN: r30586
This commit is contained in:
Bernd Schmidt 1999-11-19 11:36:25 +00:00 committed by Bernd Schmidt
parent 96e7ae40d8
commit 73d65336b7
2 changed files with 6 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
gcc/ChangeLog
View File

@ -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

9
gcc/cse.c
View File

@ -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. */