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authorAsh Wolf <ninji@wuffs.org>2023-01-14 13:23:03 +0000
committerAsh Wolf <ninji@wuffs.org>2023-01-14 13:23:03 +0000
commit86a48bfea137500c525fabd6ee5bfdfadef3144b (patch)
treea5f8db14827f88772bfac37549c0b4f7dba26025 /compiler_and_linker/unsorted/Alias.c
parent5f3c8265f2717f72d68d8eb170fbe2dd114d7b76 (diff)
downloadMWCC-86a48bfea137500c525fabd6ee5bfdfadef3144b.tar.gz
MWCC-86a48bfea137500c525fabd6ee5bfdfadef3144b.zip
a little more cleanup
Diffstat (limited to 'compiler_and_linker/unsorted/Alias.c')
-rw-r--r--compiler_and_linker/unsorted/Alias.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/compiler_and_linker/unsorted/Alias.c b/compiler_and_linker/unsorted/Alias.c
index b86fb41..8223bf4 100644
--- a/compiler_and_linker/unsorted/Alias.c
+++ b/compiler_and_linker/unsorted/Alias.c
@@ -309,30 +309,24 @@ static int addresspropagatestouse(int candidateID, int useID) {
if (candidate_pcode->block == use_pcode->block && precedes(candidate_pcode, use_pcode)) {
for (scan = candidate_pcode->nextPCode; scan && scan != use_pcode; scan = scan->nextPCode) {
- op = scan->args;
- i = scan->argCount;
- while (i--) {
+ for (op = scan->args, i = scan->argCount; i--; op++) {
if (op->kind == PCOp_REGISTER &&
op->arg == RegClass_GPR &&
(op->data.reg.effect & EffectWrite) &&
op->data.reg.reg == reg)
return 1;
- op++;
}
}
} else {
if (!bitvectorgetbit(candidateID, propinfo[use_pcode->block->blockIndex].vec8)) {
if (bitvectorgetbit(candidate_pcode->defID, usedefinfo[use_pcode->block->blockIndex].defvec8)) {
for (scan = use_pcode->block->firstPCode; scan && scan != use_pcode; scan = scan->nextPCode) {
- op = scan->args;
- i = scan->argCount;
- while (i--) {
+ for (op = scan->args, i = scan->argCount; i--; op++) {
if (op->kind == PCOp_REGISTER &&
op->arg == RegClass_GPR &&
(op->data.reg.effect & EffectWrite) &&
op->data.reg.reg == reg)
return 1;
- op++;
}
}
} else {
@@ -343,15 +337,12 @@ static int addresspropagatestouse(int candidateID, int useID) {
for (scan = use_pcode->block->firstPCode; scan; scan = scan->nextPCode) {
if (scan == use_pcode)
break;
- op = scan->args;
- i = scan->argCount;
- while (i--) {
+ for (op = scan->args, i = scan->argCount; i--; op++) {
if (op->kind == PCOp_REGISTER &&
op->arg == RegClass_GPR &&
(op->data.reg.effect & EffectWrite) &&
op->data.reg.reg == reg)
return 1;
- op++;
}
}
}
@@ -538,7 +529,7 @@ void gather_alias_info(void) {
if (
(!(pcode->flags & (fIsWrite | fPCodeFlag40000)) || op != pcode->args) &&
op->kind == PCOp_REGISTER &&
- (RegClass) op->arg == RegClass_GPR &&
+ op->arg == RegClass_GPR &&
(op->data.reg.effect & EffectRead)
) {
alias_array[aliases_idx] = NULL;