ObjFW  Check-in [b5c3a36731]

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Comment:OFMatrix4x4: Minor cleanups
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SHA3-256: b5c3a36731dadb45e2ef02743b9b4786d2505e5ce10925e7ea521bbb7e3fd9ed
User & Date: js on 2023-11-02 23:00:22
Other Links: manifest | tags
Context
2023-11-03
00:16
OFMatrix4x4: SSE4.1 for -[transformVectors:count:] check-in: 7f304f573b user: js tags: trunk
2023-11-02
23:00
OFMatrix4x4: Minor cleanups check-in: b5c3a36731 user: js tags: trunk
22:48
OFMatrix4x4: Move __asm__ out of loop check-in: 0d671245d4 user: js tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified src/OFMatrix4x4.m from [a12ee064b0] to [740fcdd16f].

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	{ 0, 0, 0, 1 }
};

@implementation OFMatrix4x4
#if (defined(OF_AMD64) || defined(OF_X86)) && defined(__GNUC__)
# ifndef __clang__
#  pragma GCC push_options
#  pragma GCC target("3dnow")
# endif
static void
multiplyWithMatrix_enhanced3DNow(OFMatrix4x4 *self, SEL _cmd,
    OFMatrix4x4 *matrix)
{
	float *left = &matrix->_values[0][0], *right = &self->_values[0][0];
	float result[4][4], *resultPtr = &result[0][0];








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	{ 0, 0, 0, 1 }
};

@implementation OFMatrix4x4
#if (defined(OF_AMD64) || defined(OF_X86)) && defined(__GNUC__)
# ifndef __clang__
#  pragma GCC push_options
#  pragma GCC target("3dnow,3dnowa")
# endif
static void
multiplyWithMatrix_enhanced3DNow(OFMatrix4x4 *self, SEL _cmd,
    OFMatrix4x4 *matrix)
{
	float *left = &matrix->_values[0][0], *right = &self->_values[0][0];
	float result[4][4], *resultPtr = &result[0][0];
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	    "femms"
	    : "+r"(resultPtr), "+r"(left), "+r"(right)
	    :: "cx", "mm0", "mm1", "memory"
	);

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




































































static void
multiplyWithMatrix_3DNow(OFMatrix4x4 *self, SEL _cmd, OFMatrix4x4 *matrix)
{
	float *left = &matrix->_values[0][0], *right = &self->_values[0][0];
	float result[4][4], *resultPtr = &result[0][0];

	__asm__ __volatile__ (








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	    "femms"
	    : "+r"(resultPtr), "+r"(left), "+r"(right)
	    :: "cx", "mm0", "mm1", "memory"
	);

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

static void
transformVectors_enhanced3DNow(OFMatrix4x4 *self, SEL _cmd, OFVector4D *vectors,
    size_t count)
{
	__asm__ __volatile__ (
	    "test	%0, %0\n\t"
	    "jz		0f\n"
	    "\n\t"
	    "0:\n\t"
	    "movq	(%1), %%mm0\n\t"
	    "movq	8(%1), %%mm1\n"
	    "\n\t"
	    "movq	%%mm0, %%mm2\n\t"
	    "movq	%%mm1, %%mm3\n\t"
	    "pfmul	(%2), %%mm2\n\t"
	    "pfmul	8(%2), %%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(%2), %%mm3\n\t"
	    "pfmul	24(%2), %%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, (%1)\n"
	    "\n\t"
	    "movq	%%mm0, %%mm2\n\t"
	    "movq	%%mm1, %%mm3\n\t"
	    "pfmul	32(%2), %%mm2\n\t"
	    "pfmul	40(%2), %%mm3\n\t"
	    "pfadd	%%mm3, %%mm2\n\t"
	    "pswapd	%%mm2, %%mm3\n\t"
	    "pfadd	%%mm3, %%mm2\n"
	    "\n\t"
	    "pfmul	48(%2), %%mm0\n\t"
	    "pfmul	56(%2), %%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(%1)\n"
	    "\n\t"
	    "add	$16, %1\n\t"
	    "dec	%0\n\t"
	    "jnz	0b\n"
	    "\n\t"
	    "0:\n\t"
	    "femms"
	    : "+r"(count), "+r"(vectors)
	    : "r"(&self->_values)
	    : "mm0", "mm1", "mm2", "mm3", "mm4", "memory"
	);
}
# ifndef __clang__
#  pragma GCC pop_options
# endif

# ifndef __clang__
#  pragma GCC push_options
#  pragma GCC target("3dnow")
# endif
static void
multiplyWithMatrix_3DNow(OFMatrix4x4 *self, SEL _cmd, OFMatrix4x4 *matrix)
{
	float *left = &matrix->_values[0][0], *right = &self->_values[0][0];
	float result[4][4], *resultPtr = &result[0][0];

	__asm__ __volatile__ (
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	    : "+r"(resultPtr), "+r"(left), "+r"(right)
	    :: "cx", "mm0", "mm1", "memory"
	);

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

static void
transformVectors_enhanced3DNow(OFMatrix4x4 *self, SEL _cmd, OFVector4D *vectors,
    size_t count)
{
	__asm__ __volatile__ (
	    "0:\n\t"
	    "test	%0, %0\n\t"
	    "jz		0f\n"
	    "\n\t"
	    "movq	(%1), %%mm0\n\t"
	    "movq	8(%1), %%mm1\n"
	    "\n\t"
	    "movq	%%mm0, %%mm2\n\t"
	    "movq	%%mm1, %%mm3\n\t"
	    "pfmul	(%2), %%mm2\n\t"
	    "pfmul	8(%2), %%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(%2), %%mm3\n\t"
	    "pfmul	24(%2), %%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, (%1)\n"
	    "\n\t"
	    "movq	%%mm0, %%mm2\n\t"
	    "movq	%%mm1, %%mm3\n\t"
	    "pfmul	32(%2), %%mm2\n\t"
	    "pfmul	40(%2), %%mm3\n\t"
	    "pfadd	%%mm3, %%mm2\n\t"
	    "pswapd	%%mm2, %%mm3\n\t"
	    "pfadd	%%mm3, %%mm2\n"
	    "\n\t"
	    "pfmul	48(%2), %%mm0\n\t"
	    "pfmul	56(%2), %%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(%1)\n"
	    "\n\t"
	    "add	$16, %1\n\t"
	    "dec	%0\n\t"
	    "jmp	0b\n"
	    "\n\t"
	    "0:\n\t"
	    "femms"
	    : "+r"(count), "+r"(vectors)
	    : "r"(&self->_values)
	    : "mm0", "mm1", "mm2", "mm3", "mm4", "memory"
	);
}

static void
transformVectors_3DNow(OFMatrix4x4 *self, SEL _cmd, OFVector4D *vectors,
    size_t count)
{
	__asm__ __volatile__ (
	    "0:\n\t"
	    "test	%0, %0\n\t"
	    "jz		0f\n"
	    "\n\t"

	    "movq	(%1), %%mm0\n\t"
	    "movq	8(%1), %%mm1\n"
	    "\n\t"
	    "movq	%%mm0, %%mm2\n\t"
	    "movq	%%mm1, %%mm3\n\t"
	    "pfmul	(%2), %%mm2\n\t"
	    "pfmul	8(%2), %%mm3\n\t"









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	    : "+r"(resultPtr), "+r"(left), "+r"(right)
	    :: "cx", "mm0", "mm1", "memory"
	);

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

static void




























































transformVectors_3DNow(OFMatrix4x4 *self, SEL _cmd, OFVector4D *vectors,
    size_t count)
{
	__asm__ __volatile__ (

	    "test	%0, %0\n\t"
	    "jz		0f\n"
	    "\n\t"
	    "0:\n\t"
	    "movq	(%1), %%mm0\n\t"
	    "movq	8(%1), %%mm1\n"
	    "\n\t"
	    "movq	%%mm0, %%mm2\n\t"
	    "movq	%%mm1, %%mm3\n\t"
	    "pfmul	(%2), %%mm2\n\t"
	    "pfmul	8(%2), %%mm3\n\t"
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	    "pfadd	%%mm1, %%mm0\n"
	    "\n\t"
	    "punpckldq	%%mm0, %%mm2\n\t"
	    "movq	%%mm2, 8(%1)\n"
	    "\n\t"
	    "add	$16, %1\n\t"
	    "dec	%0\n\t"
	    "jmp	0b\n"

	    "0:\n\t"
	    "femms"
	    : "+r"(count), "+r"(vectors)
	    : "r"(&self->_values)
	    : "mm0", "mm1", "mm2", "mm3", "mm4", "memory"
	);
}








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	    "pfadd	%%mm1, %%mm0\n"
	    "\n\t"
	    "punpckldq	%%mm0, %%mm2\n\t"
	    "movq	%%mm2, 8(%1)\n"
	    "\n\t"
	    "add	$16, %1\n\t"
	    "dec	%0\n\t"
	    "jnz	0b\n"
	    "\n\t"
	    "0:\n\t"
	    "femms"
	    : "+r"(count), "+r"(vectors)
	    : "r"(&self->_values)
	    : "mm0", "mm1", "mm2", "mm3", "mm4", "memory"
	);
}
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		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(transformVectors:count:),
		    transformVectors_enhanced3DNow)
	} else if ([OFSystemInfo supports3DNow]) {
		REPLACE(@selector(multiplyWithMatrix:),
		    multiplyWithMatrix_3DNow)
		REPLACE(@selector(transformVectors:count:),
		    transformVectors_3DNow)

	}

# undef REPLACE
}
#endif

+ (OFMatrix4x4 *)identityMatrix








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		return;

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

	if ([OFSystemInfo supports3DNow]) {
		if ([OFSystemInfo supportsEnhanced3DNow]) {
			REPLACE(@selector(multiplyWithMatrix:),
			    multiplyWithMatrix_enhanced3DNow)
			REPLACE(@selector(transformVectors:count:),
			    transformVectors_enhanced3DNow)
		} else {
			REPLACE(@selector(multiplyWithMatrix:),
			    multiplyWithMatrix_3DNow)
			REPLACE(@selector(transformVectors:count:),
			    transformVectors_3DNow)
		}
	}

# undef REPLACE
}
#endif

+ (OFMatrix4x4 *)identityMatrix
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Fossil 2.23 [47362306a7] 2023-11-01 18:56:47
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