tint: polyfill remainder to handle negative operands

Bug: tint:1802
Change-Id: Ie9baa045feda08523e5ca4f5ce94b6db7d4477e5
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/119100
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
This commit is contained in:
Antonio Maiorano
2023-02-10 15:01:02 +00:00
committed by Dawn LUCI CQ
parent 78583a14e6
commit ec20758675
103 changed files with 1660 additions and 554 deletions

View File

@@ -7,7 +7,12 @@ struct S {
int4 tint_mod(int4 lhs, int rhs) {
int4 const r = int4(rhs);
return (lhs % select(r, int4(1), ((r == int4(0)) | ((lhs == int4((-2147483647 - 1))) & (r == int4(-1))))));
int4 const rhs_or_one = select(r, int4(1), ((r == int4(0)) | ((lhs == int4((-2147483647 - 1))) & (r == int4(-1)))));
if (any(((uint4((lhs | rhs_or_one)) & uint4(2147483648u)) != uint4(0u)))) {
return as_type<int4>((as_type<uint4>(lhs) - as_type<uint4>(as_type<int4>((as_type<uint4>((lhs / rhs_or_one)) * as_type<uint4>(rhs_or_one))))));
} else {
return (lhs % rhs_or_one);
}
}
void foo(device S* const tint_symbol_1) {