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| author | Richard Henderson <rth@redhat.com> | 2003-02-11 22:14:12 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2003-02-11 22:14:12 -0800 |
| commit | ceda50e9d5a000988c6403fe9113ef3c51bfc443 (patch) | |
| tree | cb108ff180f54437c43e9496f22a4b4db03a0ff9 | |
| parent | cc687dae1d8838b25e9e535de5f235e8fc0d66ab (diff) | |
| download | gcc-ceda50e9d5a000988c6403fe9113ef3c51bfc443.zip gcc-ceda50e9d5a000988c6403fe9113ef3c51bfc443.tar.gz gcc-ceda50e9d5a000988c6403fe9113ef3c51bfc443.tar.bz2 | |
gcse.c (lookup_set): Remove unused argument PAT.
* gcse.c (lookup_set): Remove unused argument PAT. Update
both callers.
From-SVN: r62759
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/gcse.c | 26 |
2 files changed, 13 insertions, 18 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 96d364e..ccd5b58 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2003-02-11 Richard Henderson <rth@redhat.com> + + * gcse.c (lookup_set): Remove unused argument PAT. Update + both callers. + 2003-02-11 Geoffrey Keating <geoffk@apple.com> * diagnostic.c (real_abort): New. @@ -593,7 +593,7 @@ static void compute_hash_table_work PARAMS ((struct hash_table *)); static void dump_hash_table PARAMS ((FILE *, const char *, struct hash_table *)); static struct expr *lookup_expr PARAMS ((rtx, struct hash_table *)); -static struct expr *lookup_set PARAMS ((unsigned int, rtx, struct hash_table *)); +static struct expr *lookup_set PARAMS ((unsigned int, struct hash_table *)); static struct expr *next_set PARAMS ((unsigned int, struct expr *)); static void reset_opr_set_tables PARAMS ((void)); static int oprs_not_set_p PARAMS ((rtx, rtx)); @@ -2641,14 +2641,12 @@ lookup_expr (pat, table) return expr; } -/* Lookup REGNO in the set TABLE. If PAT is non-NULL look for the entry that - matches it, otherwise return the first entry for REGNO. The result is a - pointer to the table entry, or NULL if not found. */ +/* Lookup REGNO in the set TABLE. The result is a pointer to the + table entry, or NULL if not found. */ static struct expr * -lookup_set (regno, pat, table) +lookup_set (regno, table) unsigned int regno; - rtx pat; struct hash_table *table; { unsigned int hash = hash_set (regno, table->size); @@ -2656,16 +2654,8 @@ lookup_set (regno, pat, table) expr = table->table[hash]; - if (pat) - { - while (expr && ! expr_equiv_p (expr->expr, pat)) - expr = expr->next_same_hash; - } - else - { - while (expr && REGNO (SET_DEST (expr->expr)) != regno) - expr = expr->next_same_hash; - } + while (expr && REGNO (SET_DEST (expr->expr)) != regno) + expr = expr->next_same_hash; return expr; } @@ -3997,7 +3987,7 @@ find_avail_set (regno, insn) while (1) { rtx src; - struct expr *set = lookup_set (regno, NULL_RTX, &set_hash_table); + struct expr *set = lookup_set (regno, &set_hash_table); /* Find a set that is available at the start of the block which contains INSN. */ @@ -4727,7 +4717,7 @@ find_bypass_set (regno, bb) for (;;) { rtx src; - struct expr *set = lookup_set (regno, NULL_RTX, &set_hash_table); + struct expr *set = lookup_set (regno, &set_hash_table); while (set) { |