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spirv: clz, ctz for opencl

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This instruction seems common in compiler_rt.
This commit is contained in:
Robin Voetter
2024-03-30 18:30:28 +01:00
parent f5ab3c93c9
commit 12350f53bf
2 changed files with 80 additions and 3 deletions
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3
test/behavior/math.zig
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@@ -65,7 +65,6 @@ test "@clz" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
try testClz();
try comptime testClz();
@@ -148,7 +147,6 @@ test "@ctz" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
try testCtz();
try comptime testCtz();
@@ -1752,7 +1750,6 @@ test "@clz works on both vector and scalar inputs" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
var x: u32 = 0x1;
_ = &x;