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[libc] Fix linking of AMDGPU device runtime control constants for math #65676

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merged 3 commits into from
Oct 7, 2023
Merged

[libc] Fix linking of AMDGPU device runtime control constants for math #65676

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d11fae1
[libc] Fix linking of AMDGPU device runtime control constants for math
jhuber6 Sep 7, 2023
7d03d3f
LIBC_INLINE -> LIBC_INLINE_VAR
jhuber6 Sep 14, 2023
420cf31
Merge branch 'main' into FixOCLCGlobals
jhuber6 Oct 2, 2023
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94 changes: 53 additions & 41 deletions libc/src/math/gpu/vendor/amdgpu/platform.h
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,8 @@
#ifndef LLVM_LIBC_SRC_MATH_GPU_AMDGPU_PLATFORM_H
#define LLVM_LIBC_SRC_MATH_GPU_AMDGPU_PLATFORM_H

#include "src/__support/macros/attributes.h"

#include <stdint.h>

namespace LIBC_NAMESPACE {
Expand All @@ -19,96 +21,106 @@ namespace LIBC_NAMESPACE {
extern "C" {

// Disable unsafe math optimizations in the implementation.
extern const uint8_t __oclc_unsafe_math_opt = 0;
extern const LIBC_INLINE_VAR uint8_t __oclc_unsafe_math_opt = 0;

// Disable denormalization at zero optimizations in the implementation.
extern const uint8_t __oclc_daz_opt = 0;
extern const LIBC_INLINE_VAR uint8_t __oclc_daz_opt = 0;

// Disable rounding optimizations for 32-bit square roots.
extern const uint8_t __oclc_correctly_rounded_sqrt32 = 1;
extern const LIBC_INLINE_VAR uint8_t __oclc_correctly_rounded_sqrt32 = 1;

// Disable finite math optimizations.
extern const uint8_t __oclc_finite_only_opt = 0;
extern const LIBC_INLINE_VAR uint8_t __oclc_finite_only_opt = 0;

#if defined(__gfx700__)
extern const uint32_t __oclc_ISA_version = 7000;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 7000;
#elif defined(__gfx701__)
extern const uint32_t __oclc_ISA_version = 7001;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 7001;
#elif defined(__gfx702__)
extern const uint32_t __oclc_ISA_version = 7002;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 7002;
#elif defined(__gfx703__)
extern const uint32_t __oclc_ISA_version = 7003;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 7003;
#elif defined(__gfx704__)
extern const uint32_t __oclc_ISA_version = 7004;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 7004;
#elif defined(__gfx705__)
extern const uint32_t __oclc_ISA_version = 7005;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 7005;
#elif defined(__gfx801__)
extern const uint32_t __oclc_ISA_version = 8001;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 8001;
#elif defined(__gfx802__)
extern const uint32_t __oclc_ISA_version = 8002;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 8002;
#elif defined(__gfx803__)
extern const uint32_t __oclc_ISA_version = 8003;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 8003;
#elif defined(__gfx805__)
extern const uint32_t __oclc_ISA_version = 8005;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 8005;
#elif defined(__gfx810__)
extern const uint32_t __oclc_ISA_version = 8100;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 8100;
#elif defined(__gfx900__)
extern const uint32_t __oclc_ISA_version = 9000;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 9000;
#elif defined(__gfx902__)
extern const uint32_t __oclc_ISA_version = 9002;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 9002;
#elif defined(__gfx904__)
extern const uint32_t __oclc_ISA_version = 9004;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 9004;
#elif defined(__gfx906__)
extern const uint32_t __oclc_ISA_version = 9006;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 9006;
#elif defined(__gfx908__)
extern const uint32_t __oclc_ISA_version = 9008;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 9008;
#elif defined(__gfx909__)
extern const uint32_t __oclc_ISA_version = 9009;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 9009;
#elif defined(__gfx90a__)
extern const uint32_t __oclc_ISA_version = 9010;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 9010;
#elif defined(__gfx90c__)
extern const uint32_t __oclc_ISA_version = 9012;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 9012;
#elif defined(__gfx940__)
extern const uint32_t __oclc_ISA_version = 9400;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 9400;
#elif defined(__gfx1010__)
extern const uint32_t __oclc_ISA_version = 10100;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 10100;
#elif defined(__gfx1011__)
extern const uint32_t __oclc_ISA_version = 10101;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 10101;
#elif defined(__gfx1012__)
extern const uint32_t __oclc_ISA_version = 10102;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 10102;
#elif defined(__gfx1013__)
extern const uint32_t __oclc_ISA_version = 10103;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 10103;
#elif defined(__gfx1030__)
extern const uint32_t __oclc_ISA_version = 10300;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 10300;
#elif defined(__gfx1031__)
extern const uint32_t __oclc_ISA_version = 10301;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 10301;
#elif defined(__gfx1032__)
extern const uint32_t __oclc_ISA_version = 10302;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 10302;
#elif defined(__gfx1033__)
extern const uint32_t __oclc_ISA_version = 10303;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 10303;
#elif defined(__gfx1034__)
extern const uint32_t __oclc_ISA_version = 10304;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 10304;
#elif defined(__gfx1035__)
extern const uint32_t __oclc_ISA_version = 10305;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 10305;
#elif defined(__gfx1036__)
extern const uint32_t __oclc_ISA_version = 10306;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 10306;
#elif defined(__gfx1100__)
extern const uint32_t __oclc_ISA_version = 11000;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 11000;
#elif defined(__gfx1101__)
extern const uint32_t __oclc_ISA_version = 11001;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 11001;
#elif defined(__gfx1102__)
extern const uint32_t __oclc_ISA_version = 11002;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 11002;
#elif defined(__gfx1103__)
extern const uint32_t __oclc_ISA_version = 11003;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 11003;
#elif defined(__gfx1150__)
extern const uint32_t __oclc_ISA_version = 11500;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 11500;
#elif defined(__gfx1151__)
extern const uint32_t __oclc_ISA_version = 11501;
extern const LIBC_INLINE_VAR uint32_t __oclc_ISA_version = 11501;
#else
#error "Unknown AMDGPU architecture"
#endif
}

// These aliases cause clang to emit the control constants with ODR linkage.
// This allows us to link against the symbols without preventing them from being
// optimized out or causing symbol collisions.
[[gnu::alias("__oclc_unsafe_math_opt")]] const uint8_t __oclc_unsafe_math_opt__;
[[gnu::alias("__oclc_daz_opt")]] const uint8_t __oclc_daz_opt__;
[[gnu::alias("__oclc_correctly_rounded_sqrt32")]] const uint8_t
__oclc_correctly_rounded_sqrt32__;
[[gnu::alias("__oclc_finite_only_opt")]] const uint8_t __oclc_finite_only_opt__;
[[gnu::alias("__oclc_ISA_version")]] const uint32_t __oclc_ISA_version__;

} // namespace LIBC_NAMESPACE

#endif // LLVM_LIBC_SRC_MATH_GPU_AMDGPU_PLATFORM_H