as: Simplify lookup - scc - simple c99 compiler
(HTM) git clone git://git.simple-cc.org/scc
(DIR) Log
(DIR) Files
(DIR) Refs
(DIR) Submodules
(DIR) README
(DIR) LICENSE
---
(DIR) commit e163c88706af4d3f68c6f6b04d4980bc14f8f65c
(DIR) parent 6a6fc18fa4b061ae0389c370d7c416f17a883761
(HTM) Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date: Mon, 12 Feb 2024 08:59:24 +0100
as: Simplify lookup
Diffstat:
M src/cmd/as/symbol.c | 27 +++++++++++----------------
1 file changed, 11 insertions(+), 16 deletions(-)
---
(DIR) diff --git a/src/cmd/as/symbol.c b/src/cmd/as/symbol.c
@@ -61,37 +61,32 @@ dumpstab(char *msg)
Symbol *
lookup(char *name)
{
+ int r;
unsigned h;
Symbol *sym;
- int r, c, symtype;
- struct lsymbol *lp, **list;
- char *t, buf[INTIDENTSIZ+1];
+ struct lsymbol *lp;
+ char *curname, buf[INTIDENTSIZ+1];
if (*name == '.' && cursym) {
if (!cursym)
error("local label '%s' without global label", name);
- t = cursym->name;
- r = snprintf(buf, sizeof(buf), "%s%s", t, name);
+ curname = cursym->name;
+ r = snprintf(buf, sizeof(buf), "%s%s", curname, name);
if (r < 0 || r >= sizeof(buf))
- error("too long local label '%s%s'", t, name);
+ error("too long local label '%s%s'", curname, name);
name = buf;
}
h = genhash(name) & HASHSIZ-1;
-
- c = toupper(*name);
- list = &hashtbl[h];
- for (lp = *list; lp; lp = lp->hash) {
- sym = &lp->sym;
- t = lp->sym.name;
- if (c == toupper(*t) && !casecmp(t, name))
- return sym;
+ for (lp = hashtbl[h]; lp; lp = lp->hash) {
+ if (!casecmp(lp->sym.name, name))
+ return &lp->sym;
}
lp = xmalloc(sizeof(*lp));
lp->next = NULL;
- lp->hash = *list;
- *list = lp;
+ lp->hash = hashtbl[h];
+ hashtbl[h] = lp;
if (symlast)
symlast->next = lp;