diff options
| author | Andrew Kelley <andrew@ziglang.org> | 2020-08-13 20:27:25 -0700 |
|---|---|---|
| committer | Andrew Kelley <andrew@ziglang.org> | 2020-08-13 20:32:32 -0700 |
| commit | 28a9da8bfc1a791e0eaf8c643827da88ea70f7d1 (patch) | |
| tree | b15f8dfea2858c058d878d4917812d28202fe727 /lib/std/math.zig | |
| parent | 576581bd7b78825ce27d6a73fc42dd90eab8fbd1 (diff) | |
| download | zig-28a9da8bfc1a791e0eaf8c643827da88ea70f7d1.tar.gz zig-28a9da8bfc1a791e0eaf8c643827da88ea70f7d1.zip | |
stage2: implement while loops (bool condition)
* introduce a dump() function on Module.Fn which helpfully prints to
stderr the ZIR representation of a function (can be called before
attempting to codegen it). This is a debugging tool.
* implement x86 codegen for loops
* liveness: fix analysis of conditional branches. The logic was buggy
in a couple ways:
- it never actually saved the results into the IR instruction (fixed now)
- it incorrectly labeled operands as dying when their true death was
after the conditional branch ended (fixed now)
* zir rendering is enhanced to show liveness analysis results. this
helps when debugging liveness analysis.
* fix bug in zir rendering not numbering instructions correctly
closes #6021
Diffstat (limited to 'lib/std/math.zig')
| -rw-r--r-- | lib/std/math.zig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/std/math.zig b/lib/std/math.zig index 17237ea9f0..2c9065a89e 100644 --- a/lib/std/math.zig +++ b/lib/std/math.zig @@ -747,6 +747,7 @@ test "math.negateCast" { /// Cast an integer to a different integer type. If the value doesn't fit, /// return an error. +/// TODO make this an optional not an error. pub fn cast(comptime T: type, x: anytype) (error{Overflow}!T) { comptime assert(@typeInfo(T) == .Int); // must pass an integer comptime assert(@typeInfo(@TypeOf(x)) == .Int); // must pass an integer |