FFmpeg

Commit Graph

Author	SHA1	Message	Date
Janne Grunau	8563f98871	x86: use emms after ff_int32_to_float_fmul_scalar_sse Intel's Instruction Set Reference (as of September 2015) clearly states that cvtpi2ps switches to MMX state. Actual CPUs do not switch if the source is a memory location. The Instruction Set Reference from 1999 (Order Number 243191) describes this behaviour but all later versions I've seen have make no distinction whether MMX registers or memory is used as source. The documentation for the matching SSE2 instruction to convert to double (cvtpi2pd) was fixed (see the valgrind bug https://bugs.kde.org/show_bug.cgi?id=210264). It will take time to get a clarification and fixes in place. In the meantime it makes sense to change ff_int32_to_float_fmul_scalar_sse to be correct according to the documentation. The vast majority of users will have SSE2 so a change to the SSE version has little effect. Fixes fate-checkasm on x86 valgrind targets. Valgrind 'bug' reported as https://bugs.kde.org/show_bug.cgi?id=357059	9 years ago
Janne Grunau	f4f27e4cf1	x86: zero extend the 32-bit length in int32_to_float_fmul_scalar implicitly This reverts commit `5dfe4edad6`.	9 years ago
Janne Grunau	5dfe4edad6	x86_64: int32_to_float_fmul_scalar sign extend integer length	9 years ago
Henrik Gramner	ab43beefab	x86inc: Drop SECTION_TEXT macro The .text section is already 16-byte aligned by default on all supported platforms so `SECTION_TEXT` isn't any different from `SECTION .text`. Signed-off-by: Anton Khirnov <anton@khirnov.net>	10 years ago
Anton Khirnov	d74a8cb7e4	fmtconvert: drop unused functions	10 years ago
Diego Biurrun	55519926ef	x86: Make function prototype comments in assembly code consistent This helps grepping for functions, among other things.	11 years ago
Christophe Gisquet	b6293e2798	fmtconvert: Explicitly use int32_t instead of int Signed-off-by: Martin Storsjö <martin@martin.st>	12 years ago
Diego Biurrun	87af05c575	x86: SPLATD: port to cpuflags	12 years ago
Diego Biurrun	0a7a94f2e5	x86: Refactor PSWAPD fallback implementations and port to cpuflags	12 years ago
Diego Biurrun	be2c456e96	x86: fmtconvert: Refactor cvtps2pi emulation through cpuflags	12 years ago
Diego Biurrun	be923ed659	x86: fmtconvert: port to cpuflags	12 years ago
Diego Biurrun	04581c8c77	x86: yasm: Use complete source path for macro helper %includes This is more consistent with the way we handle C #includes and it simplifies the build system.	12 years ago
Diego Biurrun	6860b4081d	x86: include x86inc.asm in x86util.asm This is necessary to allow refactoring some x86util macros with cpuflags.	12 years ago
Mans Rullgard	a3df4781f4	x86: add colons after labels nasm prints a warning if the colon is missing. Signed-off-by: Mans Rullgard <mans@mansr.com>	13 years ago
Diego Biurrun	ca844b7be9	x86: Use consistent 3dnowext function and macro name suffixes Currently there is a wild mix of 3dn2/3dnow2/3dnowext. Switching to "3dnowext", which is a more common name of the CPU flag, as reported e.g. by the Linux kernel, unifies this.	13 years ago
Ronald S. Bultje	66a02159ea	x86: fmtconvert: add special asm for float_to_int16_interleave_misc_* This gets rid of a variable-length array and a for loop in C code. Signed-off-by: Martin Storsjö <martin@martin.st>	13 years ago
Henrik Gramner	729f90e268	x86inc improvements for 64-bit Add support for all x86-64 registers Prefer caller-saved register over callee-saved on WIN64 Support up to 15 function arguments Also (by Ronald S. Bultje) Fix up our asm to work with new x86inc.asm. Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com> Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>	13 years ago
Ronald S. Bultje	3b15a6d742	config.asm: change %ifdef directives to %if directives. This allows combining multiple conditionals in a single statement.	13 years ago
Justin Ruggles	5463e83dbc	fmtconvert: fix int32_to_float_fmul_scalar() for windows x86_64 The calling convention only allows 4 non-stack parameter, with each float or int register being skipped if not used. fixes Bug 64	13 years ago
Justin Ruggles	aad3429d4e	fmtconvert: port float_to_int16_interleave() 2-channel x86 inline asm to yasm	13 years ago
Justin Ruggles	4e8e262476	fmtconvert: port int32_to_float_fmul_scalar() x86 inline asm to yasm	13 years ago
Justin Ruggles	708ab7dd69	fmtconvert: port float_to_int16() x86 inline asm to yasm	13 years ago
Dave Yeo	cc73511e8e	Fix NASM include directive Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>	14 years ago
Ronald S. Bultje	b2c087871d	Move x86util.asm from libavcodec/ to libavutil/. This allows using it in swscale also.	14 years ago
Ronald S. Bultje	3a39195b1d	Move x86inc.asm to libavutil/. This allows using it in libswscale/ also.	14 years ago
Loren Merritt	422b2362fc	dct32_sse: eliminate some spills 125->104 cycles on penryn (x86_64 only)	14 years ago
Dave Yeo	d69f9a4234	Add support for a.out object format to assembler macros. This format is still used by e.g. OS/2. Signed-off-by: Diego Biurrun <diego@biurrun.de>	14 years ago
Justin Ruggles	32f8fb8ecf	Add float_interleave() to FmtConvertContext with x86-optimized versions. Partially based on patches by clsid2 in ffdshow-tryout. ff_float_interleave6() x86 improvements by Loren Merrit.	14 years ago
Diego Biurrun	888fa31eca	Fix FSF address copy paste error in some license headers.	14 years ago
Mans Rullgard	2912e87a6c	Replace FFmpeg with Libav in licence headers Signed-off-by: Mans Rullgard <mans@mansr.com>	14 years ago
Justin Ruggles	c73d99e672	Separate format conversion DSP functions from DSPContext. This will be beneficial for use with the audio conversion API without requiring it to depend on all of dsputil. Signed-off-by: Mans Rullgard <mans@mansr.com>	14 years ago

31 Commits (7ab5d577a9affe3397c08b032f983f9bf7101865)