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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/vector/modulo-scalar.wgsl.expected.fxc.hlsl
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@@ -7,7 +7,12 @@ RWByteAddressBuffer v : register(u0, space0);
int4 tint_mod(int4 lhs, int rhs) {
const int4 r = int4((rhs).xxxx);
return (lhs % (((r == (0).xxxx) | ((lhs == (-2147483648).xxxx) & (r == (-1).xxxx))) ? (1).xxxx : r));
const int4 rhs_or_one = (((r == (0).xxxx) | ((lhs == (-2147483648).xxxx) & (r == (-1).xxxx))) ? (1).xxxx : r);
if (any(((uint4((lhs | rhs_or_one)) & (2147483648u).xxxx) != (0u).xxxx))) {
return (lhs - ((lhs / rhs_or_one) * rhs_or_one));
} else {
return (lhs % rhs_or_one);
}
}
void foo() {