Return-Path: From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Dalleau?= To: linux-bluetooth@vger.kernel.org Cc: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Dalleau?= Subject: [PATCH v4 05/16] sbc: Add mmx primitive for 1b 8s analysis Date: Tue, 30 Oct 2012 10:39:24 +0100 Message-Id: <1351589975-22640-6-git-send-email-frederic.dalleau@linux.intel.com> In-Reply-To: <1351589975-22640-1-git-send-email-frederic.dalleau@linux.intel.com> References: <1351589975-22640-1-git-send-email-frederic.dalleau@linux.intel.com> Content-Type: text/plain; charset="utf-8" Sender: linux-bluetooth-owner@vger.kernel.org List-ID: --- sbc/sbc_primitives_mmx.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/sbc/sbc_primitives_mmx.c b/sbc/sbc_primitives_mmx.c index 03070f5..21d7b74 100644 --- a/sbc/sbc_primitives_mmx.c +++ b/sbc/sbc_primitives_mmx.c @@ -276,6 +276,19 @@ static inline void sbc_analyze_4b_8s_mmx(struct sbc_encoder_state *state, __asm__ volatile ("emms\n"); } +static inline void sbc_analyze_1b_8s_mmx(struct sbc_encoder_state *state, + int16_t *x, int32_t *out, int out_stride) +{ + if (state->odd) + sbc_analyze_eight_mmx(x, out, analysis_consts_fixed8_simd_odd); + else + sbc_analyze_eight_mmx(x, out, analysis_consts_fixed8_simd_even); + + state->odd = !state->odd; + + __asm__ volatile ("emms\n"); +} + static void sbc_calc_scalefactors_mmx( int32_t sb_sample_f[16][2][8], uint32_t scale_factor[2][8], @@ -366,7 +379,10 @@ void sbc_init_primitives_mmx(struct sbc_encoder_state *state) { if (check_mmx_support()) { state->sbc_analyze_4s = sbc_analyze_4b_4s_mmx; - state->sbc_analyze_8s = sbc_analyze_4b_8s_mmx; + if (state->increment == 1) + state->sbc_analyze_8s = sbc_analyze_1b_8s_mmx; + else + state->sbc_analyze_8s = sbc_analyze_4b_8s_mmx; state->sbc_calc_scalefactors = sbc_calc_scalefactors_mmx; state->implementation_info = "MMX"; } -- 1.7.9.5