ObjFW  Check-in [4c19f80ab0]

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Comment:Add +[OFSystemInfo supports{AESNI,SHAExtensions}]
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SHA3-256: 4c19f80ab002c0223c284741734967d6f5d596439124137e8563f5e73eddcee1
User & Date: js on 2019-09-14 23:24:18
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Context
2019-09-29
15:28
Update version to 1.1-dev now that 1.0 is branched check-in: 965f88ff1e user: js tags: trunk
15:17
Branch for 1.0 check-in: 27626892ce user: js tags: 1.0
2019-09-14
23:24
Add +[OFSystemInfo supports{AESNI,SHAExtensions}] check-in: 4c19f80ab0 user: js tags: trunk
2019-09-07
23:33
ofhttp: Fix error code not always being set check-in: 9764b0886f user: js tags: trunk
Changes
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Modified src/OFSystemInfo.h from [e2aaa262d3] to [147dae58c0].

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@property (class, readonly, nonatomic) bool supportsSSE2;
@property (class, readonly, nonatomic) bool supportsSSE3;
@property (class, readonly, nonatomic) bool supportsSSSE3;
@property (class, readonly, nonatomic) bool supportsSSE41;
@property (class, readonly, nonatomic) bool supportsSSE42;
@property (class, readonly, nonatomic) bool supportsAVX;
@property (class, readonly, nonatomic) bool supportsAVX2;
@property (class, readonly, nonatomic) bool supportsAESNI;
@property (class, readonly, nonatomic) bool supportsSHAExtensions;
# endif
# if defined(OF_POWERPC) || defined(OF_POWERPC64) || defined(DOXYGEN)
@property (class, readonly, nonatomic) bool supportsAltiVec;
# endif
#endif

/*!
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 * @warning This method only checks CPU support and assumes OS support!
 *
 * @note This method is only available on x86 and x86_64.
 *
 * @return Whether the CPU supports AVX2
 */
+ (bool)supportsAVX2;

/*!
 * @brief Returns whether the CPU supports AES-NI.
 *
 * @note This method is only available on x86 and x86_64.
 *
 * @return Whether the CPU supports AES-NI
 */
+ (bool)supportsAESNI;

/*!
 * @brief Returns whether the CPU supports Intel SHA Extensions.
 *
 * @note This method is only available on x86 and x86_64.
 *
 * @return Whether the CPU supports Intel SHA Extensions
 */
+ (bool)supportsSHAExtensions;
#endif

#if defined(OF_POWERPC) || defined(OF_POWERPC64)
/*!
 * @brief Returns whether the CPU and OS support AltiVec.
 *
 * @note This method is only available on PowerPC and PowerPC 64.
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Modified src/OFSystemInfo.m from [9552eef440] to [fe648ccbbc].

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	return (x86_cpuid(1, 0).ecx & (1u << 28));
}

+ (bool)supportsAVX2
{
	return x86_cpuid(0, 0).eax >= 7 && (x86_cpuid(7, 0).ebx & (1u << 5));
}

+ (bool)supportsAESNI
{
	return (x86_cpuid(1, 0).ecx & (1u << 25));
}

+ (bool)supportsSHAExtensions
{
	return (x86_cpuid(7, 0).ebx & (1u << 29));
}
#endif

#if defined(OF_POWERPC) || defined(OF_POWERPC64)
+ (bool)supportsAltiVec
{
# if defined(OF_MACOS)
	int name[2] = { CTL_HW, HW_VECTORUNIT }, value = 0;
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	return (vectorUnit == VECTORTYPE_ALTIVEC);
# elif defined(OF_MORPHOS)
	uint32_t supportsAltiVec;

	if (NewGetSystemAttrs(&supportsAltiVec, sizeof(supportsAltiVec),
	    SYSTEMINFOTYPE_PPC_ALTIVEC, TAG_DONE) > 0)
		return supportsAltiVec;

	return false;
# endif

	return false;
}
#endif

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}
@end

Modified tests/OFSystemInfoTests.m from [98cec1ab7b] to [96bd962194].

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	PRINT(GREEN, @"Supports SSE4.1: %d", [OFSystemInfo supportsSSE41]);

	PRINT(GREEN, @"Supports SSE4.2: %d", [OFSystemInfo supportsSSE42]);

	PRINT(GREEN, @"Supports AVX: %d", [OFSystemInfo supportsAVX]);

	PRINT(GREEN, @"Supports AVX2: %d", [OFSystemInfo supportsAVX2]);

	PRINT(GREEN, @"Supports AES-NI: %d", [OFSystemInfo supportsAESNI]);

	PRINT(GREEN, @"Supports SHA extensions: %d",
	    [OFSystemInfo supportsSHAExtensions]);
#endif

#ifdef OF_POWERPC
	PRINT(GREEN, @"Supports AltiVec: %d", [OFSystemInfo supportsAltiVec]);
#endif

	[pool drain];
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