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Comment:OFMatrix4x4: Add Enhanced 3DNow! implementation
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SHA3-256: 089a51310c4bf164dff368be43772daaf3d389b967636c2252998ae8c39a7d5c
User & Date: js on 2023-10-31 23:53:14
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Context
2023-11-01
20:54
Add -[OFMatrix4x4 transformVectors:count:] check-in: ad6b3e6442 user: js tags: trunk
2023-10-31
23:53
OFMatrix4x4: Add Enhanced 3DNow! implementation check-in: 089a51310c user: js tags: trunk
23:14
Move x86/Mach-O assembly back to AT&T syntax check-in: 22e2cd67a2 user: js tags: trunk
Changes
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Modified src/OFMatrix4x4.m from [240d8b02dd] to [e50ac72e61].

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@implementation OFMatrix4x4
#if defined(OF_AMD64) || defined(OF_X86)
# ifndef __clang__
#  pragma GCC push_options
#  pragma GCC target("3dnow")
# endif






























static void
multiplyWithMatrix_3DNow(OFMatrix4x4 *self, SEL _cmd, OFMatrix4x4 *matrix)
{
	float result[4][4];

	for (uint_fast8_t i = 0; i < 4; i++) {
		for (uint_fast8_t j = 0; j < 4; j++) {








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@implementation OFMatrix4x4
#if defined(OF_AMD64) || defined(OF_X86)
# ifndef __clang__
#  pragma GCC push_options
#  pragma GCC target("3dnow")
# endif
static void
multiplyWithMatrix_enhanced3DNow(OFMatrix4x4 *self, SEL _cmd,
    OFMatrix4x4 *matrix)
{
	float result[4][4];

	for (uint_fast8_t i = 0; i < 4; i++) {
		for (uint_fast8_t j = 0; j < 4; j++) {
			__asm__ (
			    "movd	(%2), %%mm0\n\t"
			    "punpckldq	16(%2), %%mm0\n\t"
			    "pfmul	(%1), %%mm0\n\t"
			    "movd	32(%2), %%mm1\n\t"
			    "punpckldq	48(%2), %%mm1\n\t"
			    "pfmul	8(%1), %%mm1\n\t"
			    "pfadd	%%mm1, %%mm0\n\t"
			    "pswapd	%%mm0, %%mm1\n\t"
			    "pfadd	%%mm1, %%mm0\n\t"
			    "movd	%%mm0, %0"
			    :: "m"(result[i][j]), "r"(&matrix->_values[i][0]),
			       "r"(&self->_values[0][j])
			    : "mm0", "mm1", "memory"
			);
		}
	}

	__asm__ ("femms");

	memcpy(self->_values, result, sizeof(result));
}
static void
multiplyWithMatrix_3DNow(OFMatrix4x4 *self, SEL _cmd, OFMatrix4x4 *matrix)
{
	float result[4][4];

	for (uint_fast8_t i = 0; i < 4; i++) {
		for (uint_fast8_t j = 0; j < 4; j++) {
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		}
	}

	__asm__ ("femms");

	memcpy(self->_values, result, sizeof(result));
}






















































static OFVector4D
transformedVector_3DNow(OFMatrix4x4 *self, SEL _cmd, OFVector4D vector)
{
	OFVector4D result;

	__asm__ (








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		}
	}

	__asm__ ("femms");

	memcpy(self->_values, result, sizeof(result));
}

static OFVector4D
transformedVector_enhanced3DNow(OFMatrix4x4 *self, SEL _cmd, OFVector4D vector)
{
	OFVector4D result;

	__asm__ (
	    "movq	(%2), %%mm0\n\t"
	    "movq	8(%2), %%mm1\n"
	    "\n\t"
	    "movq	%%mm0, %%mm2\n\t"
	    "movq	%%mm1, %%mm3\n\t"
	    "pfmul	(%1), %%mm2\n\t"
	    "pfmul	8(%1), %%mm3\n\t"
	    "pfadd	%%mm3, %%mm2\n\t"
	    "pswapd	%%mm2, %%mm3\n\t"
	    "pfadd	%%mm3, %%mm2\n"
	    "\n\t"
	    "movq	%%mm0, %%mm3\n\t"
	    "movq	%%mm1, %%mm4\n\t"
	    "pfmul	16(%1), %%mm3\n\t"
	    "pfmul	24(%1), %%mm4\n\t"
	    "pfadd	%%mm4, %%mm3\n\t"
	    "pswapd	%%mm3, %%mm4\n\t"
	    "pfadd	%%mm4, %%mm3\n"
	    "\n\t"
	    "punpckldq	%%mm3, %%mm2\n\t"
	    "movq	%%mm2, (%0)\n"
	    "\n\t"
	    "movq	%%mm0, %%mm2\n\t"
	    "movq	%%mm1, %%mm3\n\t"
	    "pfmul	32(%1), %%mm2\n\t"
	    "pfmul	40(%1), %%mm3\n\t"
	    "pfadd	%%mm3, %%mm2\n\t"
	    "pswapd	%%mm2, %%mm3\n\t"
	    "pfadd	%%mm3, %%mm2\n"
	    "\n\t"
	    "pfmul	48(%1), %%mm0\n\t"
	    "pfmul	56(%1), %%mm1\n\t"
	    "pfadd	%%mm1, %%mm0\n\t"
	    "pswapd	%%mm0, %%mm1\n\t"
	    "pfadd	%%mm1, %%mm0\n"
	    "\n\t"
	    "punpckldq	%%mm0, %%mm2\n\t"
	    "movq	%%mm2, 8(%0)\n"
	    "\n\t"
	    "femms"
	    :: "r"(&result), "r"(&self->_values), "r"(&vector)
	    : "mm0", "mm1", "mm2", "mm3", "mm4", "memory"
	);

	return result;
}

static OFVector4D
transformedVector_3DNow(OFMatrix4x4 *self, SEL _cmd, OFVector4D vector)
{
	OFVector4D result;

	__asm__ (
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}
# ifndef __clang__
#  pragma GCC pop_options
# endif

+ (void)initialize
{


	if (self != [OFMatrix4x4 class])
		return;

	if ([OFSystemInfo supports3DNow]) {
		SEL selector;
		const char *typeEncoding;

		selector = @selector(multiplyWithMatrix:);
		typeEncoding = method_getTypeEncoding(
		    class_getInstanceMethod(self, selector));
		class_replaceMethod(self, selector,
		    (IMP)multiplyWithMatrix_3DNow, typeEncoding);




		selector = @selector(transformedVector:);
		typeEncoding = method_getTypeEncoding(
		    class_getInstanceMethod(self, selector));

		class_replaceMethod(self, selector,

		    (IMP)transformedVector_3DNow, typeEncoding);
	}


}
#endif

+ (OFMatrix4x4 *)identityMatrix
{
	return [[[OFMatrix4x4 alloc]
	    initWithValues: identityValues] autorelease];








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}
# ifndef __clang__
#  pragma GCC pop_options
# endif

+ (void)initialize
{
	const char *typeEncoding;

	if (self != [OFMatrix4x4 class])
		return;




# define REPLACE(selector, func)					\

	typeEncoding = method_getTypeEncoding(				\
	    class_getInstanceMethod(self, selector));			\
	class_replaceMethod(self, selector, (IMP)func, typeEncoding);


	if ([OFSystemInfo supportsEnhanced3DNow]) {
		REPLACE(@selector(multiplyWithMatrix:),
		    multiplyWithMatrix_enhanced3DNow)
		REPLACE(@selector(transformedVector:),

		    transformedVector_enhanced3DNow)
	} else if ([OFSystemInfo supports3DNow]) {
		REPLACE(@selector(multiplyWithMatrix:),
		    multiplyWithMatrix_3DNow)
		REPLACE(@selector(transformedVector:), transformedVector_3DNow)
	}

# undef REPLACE
}
#endif

+ (OFMatrix4x4 *)identityMatrix
{
	return [[[OFMatrix4x4 alloc]
	    initWithValues: identityValues] autorelease];
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Fossil 2.23 [47362306a7] 2023-11-01 18:56:47
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