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stage2-wasm: fix bigint div and trunc

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This commit is contained in:
Pavel Verigo 2024-07-23 21:17:04 +02:00
parent 8fd1f01f2a
commit ba8522e6c7
1 changed files with 15 additions and 5 deletions
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20
src/arch/wasm/CodeGen.zig
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@ -2666,8 +2666,8 @@ fn binOpBigInt(func: *CodeGen, lhs: WValue, rhs: WValue, ty: Type, op: Op) Inner
switch (op) {
.mul => return func.callIntrinsic("__multi3", &.{ ty.toIntern(), ty.toIntern() }, ty, &.{ lhs, rhs }),
.div => switch (int_info.signedness) {
.signed => return func.callIntrinsic("__udivti3", &.{ ty.toIntern(), ty.toIntern() }, ty, &.{ lhs, rhs }),
.unsigned => return func.callIntrinsic("__divti3", &.{ ty.toIntern(), ty.toIntern() }, ty, &.{ lhs, rhs }),
.signed => return func.callIntrinsic("__divti3", &.{ ty.toIntern(), ty.toIntern() }, ty, &.{ lhs, rhs }),
.unsigned => return func.callIntrinsic("__udivti3", &.{ ty.toIntern(), ty.toIntern() }, ty, &.{ lhs, rhs }),
},
.rem => switch (int_info.signedness) {
.signed => return func.callIntrinsic("__modti3", &.{ ty.toIntern(), ty.toIntern() }, ty, &.{ lhs, rhs }),
@ -4378,7 +4378,7 @@ fn airIntcast(func: *CodeGen, inst: Air.Inst.Index) InnerError!void {
else
try func.intcast(operand, operand_ty, ty);
return func.finishAir(inst, result, &.{});
return func.finishAir(inst, result, &.{ty_op.operand});
}
/// Upcasts or downcasts an integer based on the given and wanted types,
@ -4677,10 +4677,20 @@ fn airTrunc(func: *CodeGen, inst: Air.Inst.Index) InnerError!void {
const ty_op = func.air.instructions.items(.data)[@intFromEnum(inst)].ty_op;
const operand = try func.resolveInst(ty_op.operand);
const wanted_ty = ty_op.ty.toType();
const wanted_ty: Type = ty_op.ty.toType();
const op_ty = func.typeOf(ty_op.operand);
const pt = func.pt;
const mod = pt.zcu;
if (wanted_ty.zigTypeTag(mod) == .Vector or op_ty.zigTypeTag(mod) == .Vector) {
return func.fail("TODO: trunc for vectors", .{});
}
const result = if (op_ty.bitSize(pt) == wanted_ty.bitSize(pt))
func.reuseOperand(ty_op.operand, operand)
else
try func.trunc(operand, wanted_ty, op_ty);
const result = try func.trunc(operand, wanted_ty, op_ty);
return func.finishAir(inst, result, &.{ty_op.operand});
}