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Refactoring of conversion ops, part 3: add FOLD rules for IR_CONV.

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This commit is contained in:
Mike Pall
2010-12-31 01:09:30 +01:00
parent 65b194a2f8
commit 1f26961092
2 changed files with 226 additions and 35 deletions
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8
src/buildvm_fold.c
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@@ -124,7 +124,7 @@ static uint32_t nexttoken(char **pp, int allowlit, int allowany)
if (*p == '\0')
return i;
} else if (allowany && !strcmp("any", p)) {
return 0xff;
return allowany;
} else {
for (i = 0; ir_names[i]; i++)
if (!strcmp(ir_names[i], p))
@@ -140,9 +140,9 @@ static uint32_t nexttoken(char **pp, int allowlit, int allowany)
static void foldrule(char *p)
{
uint32_t op = nexttoken(&p, 0, 0);
uint32_t left = nexttoken(&p, 0, 1);
uint32_t right = nexttoken(&p, 1, 1);
uint32_t key = (funcidx << 24) | (op << 16) | (left << 8) | right;
uint32_t left = nexttoken(&p, 0, 0x7f);
uint32_t right = nexttoken(&p, 1, 0x3ff);
uint32_t key = (funcidx << 24) | (op << 17) | (left << 10) | right;
uint32_t i;
if (nkeys >= BUILD_MAX_FOLD) {
fprintf(stderr, "Error: too many fold rules, increase BUILD_MAX_FOLD.\n");