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tint: polyfill remainder to handle negative operands

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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
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7
test/tint/statements/compound_assign/divide_by_zero.wgsl.expected.glsl
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@@ -16,7 +16,12 @@ int tint_div(int lhs, int rhs) {
}
int tint_mod(int lhs, int rhs) {
return (lhs % (bool(uint((rhs == 0)) | uint(bool(uint((lhs == -2147483648)) & uint((rhs == -1))))) ? 1 : rhs));
int rhs_or_one = (bool(uint((rhs == 0)) | uint(bool(uint((lhs == -2147483648)) & uint((rhs == -1))))) ? 1 : rhs);
if (((uint((lhs | rhs_or_one)) & 2147483648u) != 0u)) {
return (lhs - ((lhs / rhs_or_one) * rhs_or_one));
} else {
return (lhs % rhs_or_one);
}
}
void foo(int maybe_zero) {