mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
synced 2024-11-28 22:57:37 +00:00
55 lines
2 KiB
Diff
55 lines
2 KiB
Diff
diff --git a/src/core/simd.d b/src/core/simd.d
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index c27dc4c1..7641c8a9 100644
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--- a/src/core/simd.d
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+++ b/src/core/simd.d
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@@ -84,6 +84,20 @@ version (LDC)
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enum dataCache = 1;
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llvm_prefetch(address, writeFetch, locality, dataCache);
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}
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+
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+ unittest
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+ {
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+ float[4] data = [ 0.5, 1, 1.5, 2 ];
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+ auto ptr = &data[0];
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+
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+ prefetch!(false, 0)(ptr);
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+ auto v = loadUnaligned!float4(ptr);
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+ v *= 2;
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+ storeUnaligned!float4(v, ptr);
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+
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+ float[4] expected = [ 1, 2, 3, 4 ];
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+ assert(data == expected);
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+ }
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}
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else version (D_SIMD)
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{
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diff --git a/src/ldc/intrinsics.di b/src/ldc/intrinsics.di
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index 914cd5e1..091b2aac 100644
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--- a/src/ldc/intrinsics.di
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+++ b/src/ldc/intrinsics.di
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@@ -129,6 +129,14 @@ pragma(LDC_intrinsic, "llvm.stacksave")
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pragma(LDC_intrinsic, "llvm.stackrestore")
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void llvm_stackrestore(void* ptr);
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+version(INTRINSICS_FROM_1000)
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+{
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+ private enum llvm_prefetch_fullname = "llvm.prefetch.p0i8";
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+}
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+else
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+{
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+ private enum llvm_prefetch_fullname = "llvm.prefetch";
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+}
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/// The 'llvm.prefetch' intrinsic is a hint to the code generator to insert a
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/// prefetch instruction if supported; otherwise, it is a noop. Prefetches have
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/// no effect on the behavior of the program but can change its performance
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@@ -139,8 +147,8 @@ pragma(LDC_intrinsic, "llvm.stackrestore")
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/// keep in cache. The cache type specifies whether the prefetch is performed on
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/// the data (1) or instruction (0) cache. The rw, locality and cache type
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/// arguments must be constant integers.
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-pragma(LDC_intrinsic, "llvm.prefetch")
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- void llvm_prefetch(void* ptr, uint rw, uint locality, uint cachetype) pure @safe;
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+pragma(LDC_intrinsic, llvm_prefetch_fullname)
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+ void llvm_prefetch(const(void)* ptr, uint rw, uint locality, uint cachetype) pure @safe;
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/// The 'llvm.pcmarker' intrinsic is a method to export a Program Counter (PC)
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/// in a region of code to simulators and other tools. The method is target
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