commit 7ee9970b32a07a62c625c6ae048366ed0c0b0ce4
parent d79b2aecbf58052262871265e42c78df6d0e8f4c
Author: Quentin Carbonneaux <quentin@c9x.me>
Date: Mon, 12 Dec 2022 16:51:37 +0100
renamings in coalesce()
Diffstat:
M | mem.c | | | 28 | ++++++++++++++-------------- |
1 file changed, 14 insertions(+), 14 deletions(-)
diff --git a/mem.c b/mem.c
@@ -145,7 +145,7 @@ slot(Slot **ps, int64_t *off, Ref r, Fn *fn, Slot *sl)
}
static void
-memr(Ref r, bits x, int ip, Fn *fn, Slot *sl)
+load(Ref r, bits x, int ip, Fn *fn, Slot *sl)
{
int64_t off;
Slot *s;
@@ -159,7 +159,7 @@ memr(Ref r, bits x, int ip, Fn *fn, Slot *sl)
}
static void
-memw(Ref r, bits x, int ip, Fn *fn, Slot *sl)
+store(Ref r, bits x, int ip, Fn *fn, Slot *sl)
{
int64_t off;
Slot *s;
@@ -200,7 +200,7 @@ coalesce(Fn *fn)
Tmp *t;
Ref *arg;
bits x;
- int n, m, nsl, ip, *kill;
+ int n, m, nsl, ip, *stk;
uint total, freed, fused;
/* minimize the stack usage
@@ -249,15 +249,15 @@ coalesce(Fn *fn)
for (i=&b->ins[b->nins]; i!=b->ins;) {
arg = (--i)->arg;
if (i->op == Oargc) {
- memr(arg[1], -1, --ip, fn, sl);
+ load(arg[1], -1, --ip, fn, sl);
}
if (isload(i->op)) {
x = BIT(loadsz(i)) - 1;
- memr(arg[0], x, --ip, fn, sl);
+ load(arg[0], x, --ip, fn, sl);
}
if (isstore(i->op)) {
x = BIT(storesz(i)) - 1;
- memw(arg[1], x, ip--, fn, sl);
+ store(arg[1], x, ip--, fn, sl);
}
}
for (s=sl; s<&sl[nsl]; s++)
@@ -275,13 +275,13 @@ coalesce(Fn *fn)
/* kill slots with an empty live range */
total = 0;
freed = 0;
- kill = vnew(0, sizeof kill[0], PHeap);
+ stk = vnew(0, sizeof stk[0], PHeap);
n = 0;
for (s=s0=sl; s<&sl[nsl]; s++) {
total += s->sz;
if (!s->r.b) {
- vgrow(&kill, ++n);
- kill[n-1] = s->t;
+ vgrow(&stk, ++n);
+ stk[n-1] = s->t;
freed += s->sz;
} else
*s0++ = *s;
@@ -293,12 +293,12 @@ coalesce(Fn *fn)
fputs("\tkill [", stderr);
for (m=0; m<n; m++)
fprintf(stderr, " %%%s",
- fn->tmp[kill[m]].name);
+ fn->tmp[stk[m]].name);
fputs(" ]\n", stderr);
}
}
while (n--) {
- t = &fn->tmp[kill[n]];
+ t = &fn->tmp[stk[n]];
assert(t->ndef == 1 && t->def);
*t->def = (Ins){.op = Onop};
for (u=t->use; u<&t->use[t->nuse]; u++) {
@@ -306,13 +306,13 @@ coalesce(Fn *fn)
i = u->u.ins;
if (!req(i->to, R)) {
assert(rtype(i->to) == RTmp);
- vgrow(&kill, ++n);
- kill[n-1] = i->to.val;
+ vgrow(&stk, ++n);
+ stk[n-1] = i->to.val;
} else
*i = (Ins){.op = Onop};
}
}
- vfree(kill);
+ vfree(stk);
/* fuse slots by decreasing size */
qsort(sl, nsl, sizeof *sl, scmp);