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cbe: implement 128-bit and fix smaller integer builtins

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This commit is contained in:
Jacob Young 2022-10-23 12:55:20 -04:00
parent 65a48df532
commit 1bab854868
14 changed files with 1734 additions and 1959 deletions
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2532
lib/include/zig.h vendored
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1053
src/codegen/c.zig
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2
test/behavior/align.zig
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@ -393,8 +393,6 @@ test "function callconv expression depends on generic parameter" {
}
test "runtime-known array index has best alignment possible" {
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
// take full advantage of over-alignment
var array align(4) = [_]u8{ 1, 2, 3, 4 };
comptime assert(@TypeOf(&array[0]) == *align(4) u8);

1
test/behavior/bugs/2114.zig
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@ -12,7 +12,6 @@ test "fixed" {
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
try testCtz();
comptime try testCtz();

2
test/behavior/cast.zig
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@ -119,7 +119,6 @@ test "@intToFloat(f80)" {
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
const S = struct {
fn doTheTest(comptime Int: type) !void {
@ -1157,7 +1156,6 @@ fn castToOptionalSlice() ?[]const u8 {
test "cast u128 to f128 and back" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO

3
test/behavior/floatop.zig
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@ -54,7 +54,6 @@ fn testFloatComparisons() !void {
test "different sized float comparisons" {
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
@ -303,7 +302,6 @@ test "@log" {
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
comptime try testLog();
try testLog();
@ -543,7 +541,6 @@ fn testTrunc() !void {
test "negation f16" {
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO

1
test/behavior/int128.zig
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@ -43,7 +43,6 @@ test "int128" {
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
var buff: i128 = -1;
try expect(buff < 0 and (buff + 1) == 0);

10
test/behavior/math.zig
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@ -452,7 +452,6 @@ fn testDivision() !void {
}
test "division half-precision floats" {
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
@ -685,7 +684,6 @@ test "basic @mulWithOverflow" {
// TODO migrate to this for all backends once they handle more cases
test "extensive @mulWithOverflow" {
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
{
@ -835,7 +833,6 @@ test "extensive @mulWithOverflow" {
}
test "@mulWithOverflow bitsize > 32" {
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
@ -923,8 +920,6 @@ test "@subWithOverflow" {
}
test "@shlWithOverflow" {
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
{
var result: u4 = undefined;
var a: u4 = 2;
@ -1274,7 +1269,6 @@ test "@sqrt" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
try testSqrt(f64, 12.0);
comptime try testSqrt(f64, 12.0);
@ -1339,7 +1333,6 @@ test "@floor" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
try testFloor(f64, 12.0);
comptime try testFloor(f64, 12.0);
@ -1388,7 +1381,6 @@ test "@ceil" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
try testCeil(f64, 12.0);
comptime try testCeil(f64, 12.0);
@ -1437,7 +1429,6 @@ test "@trunc" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
try testTrunc(f64, 12.0);
comptime try testTrunc(f64, 12.0);
@ -1500,7 +1491,6 @@ test "@round" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
try testRound(f64, 12.0);
comptime try testRound(f64, 12.0);

1
test/behavior/muladd.zig
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@ -27,7 +27,6 @@ fn testMulAdd() !void {
test "@mulAdd f16" {
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO

1
test/behavior/packed-struct.zig
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@ -448,7 +448,6 @@ test "optional pointer in packed struct" {
}
test "nested packed struct field access test" {
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO

1
test/behavior/ptrcast.zig
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@ -133,7 +133,6 @@ test "lower reinterpreted comptime field ptr (with under-aligned fields)" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO: CBE does not yet support under-aligned fields
// Test lowering a field ptr
comptime var bytes align(2) = [_]u8{ 1, 2, 3, 4, 5, 6 };

5
test/behavior/saturating_arithmetic.zig
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@ -54,7 +54,6 @@ test "saturating add 128bit" {
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
const S = struct {
fn doTheTest() !void {
try testSatAdd(i128, maxInt(i128), -maxInt(i128), 0);
@ -78,7 +77,6 @@ test "saturating subtraction" {
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
const S = struct {
fn doTheTest() !void {
@ -124,7 +122,6 @@ test "saturating subtraction 128bit" {
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
const S = struct {
fn doTheTest() !void {
@ -151,7 +148,6 @@ test "saturating multiplication" {
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage1 and builtin.cpu.arch == .wasm32) {
// https://github.com/ziglang/zig/issues/9660
@ -199,7 +195,6 @@ test "saturating shift-left" {
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
const S = struct {
fn doTheTest() !void {

1
test/behavior/sizeof_and_typeof.zig
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@ -19,7 +19,6 @@ test "@sizeOf on compile-time types" {
test "@TypeOf() with multiple arguments" {
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;
{
var var_1: u32 = undefined;
var var_2: u8 = undefined;

2
test/behavior/widening.zig
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@ -40,7 +40,6 @@ test "float widening" {
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
var a: f16 = 12.34;
var b: f32 = a;
@ -60,7 +59,6 @@ test "float widening f16 to f128" {
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
// TODO https://github.com/ziglang/zig/issues/3282
if (builtin.cpu.arch == .aarch64) return error.SkipZigTest;