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x86_64: fix abi bit/byte mixups

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This commit is contained in:
Jacob Young 2023-10-05 00:19:21 -04:00
parent 644d943861
commit 5a35734a48
1 changed files with 7 additions and 7 deletions
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14
src/arch/x86_64/abi.zig
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@ -137,7 +137,7 @@ pub fn classifySystemV(ty: Type, mod: *Module, ctx: Context) [8]Class {
return result;
},
128 => {
// "Arguments of types__float128, _Decimal128 and__m128 are
// "Arguments of types __float128, _Decimal128 and __m128 are
// split into two halves. The least significant ones belong
// to class SSE, the most significant one to class SSEUP."
if (ctx == .other) {
@ -213,9 +213,9 @@ pub fn classifySystemV(ty: Type, mod: *Module, ctx: Context) [8]Class {
const struct_type = mod.typeToStruct(ty).?;
const ty_size = ty.abiSize(mod);
if (struct_type.layout == .Packed) {
assert(ty_size <= 128);
assert(ty_size <= 16);
result[0] = .integer;
if (ty_size > 64) result[1] = .integer;
if (ty_size > 8) result[1] = .integer;
return result;
}
if (ty_size > 64)
@ -331,9 +331,9 @@ pub fn classifySystemV(ty: Type, mod: *Module, ctx: Context) [8]Class {
const union_obj = mod.typeToUnion(ty).?;
const ty_size = mod.unionAbiSize(union_obj);
if (union_obj.getLayout(ip) == .Packed) {
assert(ty_size <= 128);
assert(ty_size <= 16);
result[0] = .integer;
if (ty_size > 64) result[1] = .integer;
if (ty_size > 8) result[1] = .integer;
return result;
}
if (ty_size > 64)
@ -422,11 +422,11 @@ pub fn classifySystemV(ty: Type, mod: *Module, ctx: Context) [8]Class {
},
.Array => {
const ty_size = ty.abiSize(mod);
if (ty_size <= 64) {
if (ty_size <= 8) {
result[0] = .integer;
return result;
}
if (ty_size <= 128) {
if (ty_size <= 16) {
result[0] = .integer;
result[1] = .integer;
return result;