authorgravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2022-05-18 14:46:04-07:00
committergravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2022-05-20 02:47:20-07:00
log5626bb45d24cd4a57a4f6a1c0f41ec0feb276f7b
treeea4653e4d5d85451891f1c03fe6c4a00d22d4b2c
parent58943fc6276c49b138c98bda5abac8be2806f94f

Sema: fix comptime `@floatCast` downcast

2 files changed, 5 insertions(+), 3 deletions(-)

src/Sema.zig+2-2
...@@ -7236,8 +7236,8 @@ fn zirFloatCast(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError!A...@@ -7236,8 +7236,8 @@ fn zirFloatCast(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError!A
7236 ),7236 ),
7237 }7237 }
72387238
7239 if (try sema.isComptimeKnown(block, operand_src, operand)) {7239 if (try sema.resolveMaybeUndefVal(block, operand_src, operand)) |operand_val| {
7240 return sema.coerce(block, dest_ty, operand, operand_src);7240 return sema.addConstant(dest_ty, try operand_val.floatCast(sema.arena, dest_ty, target));
7241 }7241 }
7242 if (dest_is_comptime_float) {7242 if (dest_is_comptime_float) {
7243 return sema.fail(block, src, "unable to cast runtime value to 'comptime_float'", .{});7243 return sema.fail(block, src, "unable to cast runtime value to 'comptime_float'", .{});
test/behavior/cast.zig+3-1
...@@ -630,7 +630,9 @@ test "vector casts" {...@@ -630,7 +630,9 @@ test "vector casts" {
630}630}
631631
632test "@floatCast cast down" {632test "@floatCast cast down" {
633 if (builtin.zig_backend != .stage1) return error.SkipZigTest; // TODO633 if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
634 if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
635 if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
634636
635 {637 {
636 var double: f64 = 0.001534;638 var double: f64 = 0.001534;