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Brush up some more code

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Justine Tunney 2023-07-10 10:16:55 -07:00
parent ee6566a152
commit a2d269dc38
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GPG key ID: BE714B4575D6E328
32 changed files with 251 additions and 335 deletions
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8
third_party/chibicc/as.c vendored
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@ -1894,7 +1894,7 @@ static bool Prefix(struct As *a, const char *p, int n) {
l = 0;
r = ARRAYLEN(kPrefix) - 1;
while (l <= r) {
m = (l + r) >> 1;
m = (l & r) + ((l ^ r) >> 1); // floor((a+b)/2)
y = READ64BE(kPrefix[m]);
if (x < y) {
r = m - 1;
@ -1919,7 +1919,7 @@ static bool FindReg(const char *p, int n, struct Reg *out_reg) {
l = 0;
r = ARRAYLEN(kRegs) - 1;
while (l <= r) {
m = (l + r) >> 1;
m = (l & r) + ((l ^ r) >> 1); // floor((a+b)/2)
y = READ64BE(kRegs[m].s);
if (x < y) {
r = m - 1;
@ -3740,7 +3740,7 @@ static bool OnDirective8(struct As *a, struct Slice s) {
l = 0;
r = ARRAYLEN(kDirective8) - 1;
while (l <= r) {
m = (l + r) >> 1;
m = (l & r) + ((l ^ r) >> 1); // floor((a+b)/2)
y = READ64BE(kDirective8[m].s);
if (x < y) {
r = m - 1;
@ -3763,7 +3763,7 @@ static bool OnDirective16(struct As *a, struct Slice s) {
l = 0;
r = ARRAYLEN(kDirective16) - 1;
while (l <= r) {
m = (l + r) >> 1;
m = (l & r) + ((l ^ r) >> 1); // floor((a+b)/2)
y = READ128BE(kDirective16[m].s);
if (x < y) {
r = m - 1;