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Rename _bsr/_bsf to bsr/bsf

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Now that these functions are behind _COSMO_SOURCE there's no reason for
having the ugly underscore anymore. To use these functions, you need to
pass -mcosmo to cosmocc.
This commit is contained in:
Justine Tunney 2024-03-04 17:33:26 -08:00
parent a6baba1b07
commit 8bfd56b59e
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
53 changed files with 110 additions and 93 deletions
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14
third_party/chibicc/asm.c vendored
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@ -301,7 +301,7 @@ static void PickAsmRegisters(Asm *a) {
if (!(m = a->ops[i].regmask)) break;
if (popcnt(m) != j) break;
if (!(m &= regset)) CouldNotAllocateRegister(&a->ops[i], "rm");
pick = 1 << (a->ops[i].reg = _bsf(m));
pick = 1 << (a->ops[i].reg = bsf(m));
if (pick & PRECIOUS) a->regclob |= pick;
regset &= ~pick;
a->ops[i].regmask = 0;
@ -309,14 +309,14 @@ static void PickAsmRegisters(Asm *a) {
case kAsmXmm:
if (!(m = a->ops[i].regmask)) break;
if (!(m &= xmmset)) CouldNotAllocateRegister(&a->ops[i], "xmm");
xmmset &= ~(1 << (a->ops[i].reg = _bsf(m)));
xmmset &= ~(1 << (a->ops[i].reg = bsf(m)));
a->ops[i].regmask = 0;
break;
case kAsmFpu:
if (!(m = a->ops[i].x87mask)) break;
if (popcnt(m) != j) break;
if (!(m &= x87sts)) CouldNotAllocateRegister(&a->ops[i], "fpu");
x87sts &= ~(1 << (a->ops[i].reg = _bsf(m)));
x87sts &= ~(1 << (a->ops[i].reg = bsf(m)));
a->ops[i].x87mask = 0;
break;
default:
@ -540,7 +540,7 @@ static char *HandleAsmSpecifier(Asm *a, char *p) {
if ((i = c - '0') >= a->n) {
error_tok(a->tok, "bad asm reference at offset %d", p - a->str);
}
z = _bsr(a->ops[i].node->ty->size);
z = bsr(a->ops[i].node->ty->size);
if (z > 3 && a->ops[i].type == kAsmReg) {
error_tok(a->tok, "bad asm op size");
}
@ -679,7 +679,7 @@ static void StoreAsmOutputs(Asm *a) {
println("\tset%s\t(%%rax)", a->ops[i].str + a->ops[i].predicate);
break;
case kAsmReg:
z = _bsr(a->ops[i].node->ty->size);
z = bsr(a->ops[i].node->ty->size);
if (a->ops[i].reg) {
gen_addr(a->ops[i].node);
if (z > 3) error_tok(a->tok, "bad asm out size");
@ -734,7 +734,7 @@ static void StoreAsmOutputs(Asm *a) {
static void PushClobbers(Asm *a) {
int i, regs = a->regclob & PRECIOUS;
while (regs) {
i = _bsf(regs);
i = bsf(regs);
pushreg(kGreg[3][i]);
regs &= ~(1 << i);
}
@ -743,7 +743,7 @@ static void PushClobbers(Asm *a) {
static void PopClobbers(Asm *a) {
int i, regs = a->regclob & PRECIOUS;
while (regs) {
i = _bsr(regs);
i = bsr(regs);
popreg(kGreg[3][i]);
regs &= ~(1 << i);
}