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Correct instruction_size_suffix so that the correct suffix can be selected for the instruction to adhere to AT&T syntax

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gingerBill
2026-08-17 12:59:23 +01:00
parent db94c5a6cb
commit d1f561ec88
4 changed files with 137 additions and 25 deletions
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16
src/check_asm.cpp
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@@ -597,6 +597,10 @@ gb_internal void check_asm_specs(AsmCtx *asm_ctx, CheckerContext *ctx, Scope *sc
auto *i = &(*asm_template_entity_decls)[index];
if (i->pin.len == 0) {
i->pin = pin;
i->pin_flag = pin_flag;
if (pin_flag.len != 0 && group != AsmTemplateEntityDeclParamGroup_Output) {
error(spec->value, "Input parameters cannot be pinned to a flag style register");
}
} else {
error(spec_, "Asm register has already been pinned");
}
@@ -648,14 +652,14 @@ gb_internal void check_asm_specs(AsmCtx *asm_ctx, CheckerContext *ctx, Scope *sc
i->pin = pin;
o->pin = pin;
i->pin_flag = pin_flag;
o->pin_flag = pin_flag;
if (other_scratch != nullptr) {
GB_ASSERT(spec->value != nullptr);
error(spec->value, "Another parameter must be assigned/paired with a scratch parameter declaration, not a tie");
}
if (pin_flag.len != 0) {
error(spec->value, "Input parameters, and thus tied parameters, cannot be pinned to a flag style register");
}
}
}
}
@@ -920,6 +924,10 @@ gb_internal void check_mnemonic(AsmCtx *asm_ctx, CheckerContext *ctx, Entity *tm
GB_ASSERT(tmpl_entity->kind == Entity_AsmTemplate);
GB_ASSERT(valid_form_index >= 0);
instr->mnemonic = mnemonic;
instr->valid_form_index = cast(i32)valid_form_index;
// Handle clobbering from mnemonic
auto clobber = asm_ctx->clobber(mnemonic);