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cbe: fix floating point builtins

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This commit is contained in:
Jacob Young
2022-10-25 07:00:17 -04:00
parent 3d22327b23
commit e20d2b3151
4 changed files with 59 additions and 65 deletions
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20
src/codegen/c.zig
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@@ -798,7 +798,7 @@ pub const DeclGen = struct {
"inf"
else
unreachable;
try writer.writeAll("zig_builtin_");
try writer.writeAll("zig_builtin_constant_");
try dg.renderTypeForBuiltinFnName(writer, ty);
try writer.writeByte('(');
try writer.writeAll(operation);
@@ -2006,18 +2006,16 @@ pub const DeclGen = struct {
fn renderTypeForBuiltinFnName(dg: *DeclGen, writer: anytype, ty: Type) !void {
const target = dg.module.getTarget();
const c_bits = if (ty.isAbiInt()) c_bits: {
if (ty.isAbiInt()) {
const int_info = ty.intInfo(target);
try writer.writeByte(signAbbrev(int_info.signedness));
break :c_bits toCIntBits(int_info.bits) orelse
const c_bits = toCIntBits(int_info.bits) orelse
return dg.fail("TODO: C backend: implement integer types larger than 128 bits", .{});
} else if (ty.isRuntimeFloat()) c_bits: {
try writer.writeByte('f');
break :c_bits ty.floatBits(target);
try writer.print("{c}{d}", .{ signAbbrev(int_info.signedness), c_bits });
} else if (ty.isRuntimeFloat()) {
try ty.print(writer, dg.module);
} else return dg.fail("TODO: CBE: implement renderTypeForBuiltinFnName for type {}", .{
ty.fmt(dg.module),
});
try writer.print("{d}", .{c_bits});
}
fn renderBuiltinInfo(dg: *DeclGen, writer: anytype, ty: Type, info: BuiltinInfo) !void {
@@ -3077,7 +3075,8 @@ fn airBinOp(
const operand_ty = f.air.typeOf(bin_op.lhs);
const target = f.object.dg.module.getTarget();
if (operand_ty.bitSize(target) > 64) return try airBinBuiltinCall(f, inst, operation, info);
if (operand_ty.isInt() and operand_ty.bitSize(target) > 64)
return try airBinBuiltinCall(f, inst, operation, info);
const inst_ty = f.air.typeOfIndex(inst);
const lhs = try f.resolveInst(bin_op.lhs);
@@ -3104,7 +3103,8 @@ fn airCmpOp(f: *Function, inst: Air.Inst.Index, operator: []const u8) !CValue {
const operand_ty = f.air.typeOf(bin_op.lhs);
const target = f.object.dg.module.getTarget();
if (operand_ty.bitSize(target) > 64) return try airCmpBuiltinCall(f, inst, operator);
if (operand_ty.isInt() and operand_ty.bitSize(target) > 64)
return try airCmpBuiltinCall(f, inst, operator);
const inst_ty = f.air.typeOfIndex(inst);
const lhs = try f.resolveInst(bin_op.lhs);