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authorhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>2004-01-30 11:28:37 +0000
committerhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>2004-01-30 11:28:37 +0000
commit605e65d94842fcee1361eade4b0946d17b7e4a00 (patch)
tree73cec5c623e50233779dbc24a86aa5650a30803f /gcc/reload.c
parent3cbad6deee59be46705afcf10103fcb97244d712 (diff)
downloadgcc-605e65d94842fcee1361eade4b0946d17b7e4a00.tar.gz
* reload.c (secondary_memlocs_elim_used): New static variable.
(get_secondary_mem): Update it. (find_reloads): Use it. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@76950 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/reload.c')
-rw-r--r--gcc/reload.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/gcc/reload.c b/gcc/reload.c
index c1f2af94500..83aa8d24f0f 100644
--- a/gcc/reload.c
+++ b/gcc/reload.c
@@ -173,6 +173,7 @@ struct decomposition
static rtx secondary_memlocs[NUM_MACHINE_MODES];
static rtx secondary_memlocs_elim[NUM_MACHINE_MODES][MAX_RECOG_OPERANDS];
+static int secondary_memlocs_elim_used = 0;
#endif
/* The instruction we are doing reloads for;
@@ -644,6 +645,8 @@ get_secondary_mem (rtx x ATTRIBUTE_UNUSED, enum machine_mode mode,
}
secondary_memlocs_elim[(int) mode][opnum] = loc;
+ if (secondary_memlocs_elim_used <= opnum)
+ secondary_memlocs_elim_used = opnum + 1;
return loc;
}
@@ -2540,7 +2543,12 @@ find_reloads (rtx insn, int replace, int ind_levels, int live_known,
/* The eliminated forms of any secondary memory locations are per-insn, so
clear them out here. */
- memset (secondary_memlocs_elim, 0, sizeof secondary_memlocs_elim);
+ if (secondary_memlocs_elim_used)
+ {
+ memset (secondary_memlocs_elim, 0,
+ sizeof (secondary_memlocs_elim[0]) * secondary_memlocs_elim_used);
+ secondary_memlocs_elim_used = 0;
+ }
#endif
/* Dispose quickly of (set (reg..) (reg..)) if both have hard regs and it