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Commit Graph

4 Commits (f6d2fed811dea36c4ebaf991927e44c78eb0aca5)

Author	SHA1	Message	Date
Martin Storsjö	cdb1665f70	aarch64: Make transpose_4x4H do a regular transpose ... Previously, ff_h264_idct_add_neon (originally in the arm version) used a non-regular transpose in order to be able to use more instructions that deal with registers as 128 bit register pairs. The aarch64 translation doesn't do it to the same extent, but brought along the same structure since it was a straight translation. This reshuffles ff_h264_idct_add_neon, bringing it closer to the C implementation, making the transpose_4x4H macro do a regular transpose, usable for other algorithms as well. Previously, the third and fourth output from transpose_4x4H were swapped, and prior to cc29d96d5a, the same inputs as well. In addition to just swapping the outputs, also renumber the intermediate registers for better readability (making the register order match transpose_4x8B). This runs with the same number of cycles as before. Signed-off-by: Martin Storsjö <martin@martin.st>	9 years ago
Janne Grunau	cc29d96d5a	arm64: fix inverted register order in transpose_4x4H ... Fix related register order issue in ff_h264_idct_add_neon. Found-by: zjh8890 <243186085@qq.com>	9 years ago
Janne Grunau	9c029f67ca	aarch64: use EXTERN_ASM consistently for exported symbols ... Based on e3fec3f095 for arm.	11 years ago
Janne Grunau	8438b3f09f	aarch64: h264 idct NEON assembler optimizations ... Ported from ARMv7 NEON.	11 years ago