From 0a16c79cc4087838ae5f2bc9554d91db2cbb2503 Mon Sep 17 00:00:00 2001 From: Aurelien Jarno Date: Tue, 1 Jan 2013 18:02:23 +0100 Subject: [PATCH] target-mips: use DSP unions for reduction add instructions Reviewed-by: Richard Henderson Signed-off-by: Aurelien Jarno --- target-mips/dsp_helper.c | 30 ++++++++++++++---------------- 1 file changed, 14 insertions(+), 16 deletions(-) diff --git a/target-mips/dsp_helper.c b/target-mips/dsp_helper.c index bcc3885601..f5de2ca8e5 100644 --- a/target-mips/dsp_helper.c +++ b/target-mips/dsp_helper.c @@ -1352,31 +1352,29 @@ target_ulong helper_modsub(target_ulong rs, target_ulong rt) target_ulong helper_raddu_w_qb(target_ulong rs) { - uint8_t rs3, rs2, rs1, rs0; - uint16_t temp; + target_ulong ret = 0; + DSP32Value ds; + unsigned int i; - MIPSDSP_SPLIT32_8(rs, rs3, rs2, rs1, rs0); - - temp = (uint16_t)rs3 + (uint16_t)rs2 + (uint16_t)rs1 + (uint16_t)rs0; - - return (target_ulong)temp; + ds.uw[0] = rs; + for (i = 0; i < 4; i++) { + ret += ds.ub[i]; + } + return ret; } #if defined(TARGET_MIPS64) target_ulong helper_raddu_l_ob(target_ulong rs) { - int i; - uint16_t rs_t[8]; - uint64_t temp; - - temp = 0; + target_ulong ret = 0; + DSP64Value ds; + unsigned int i; + ds.ul[0] = rs; for (i = 0; i < 8; i++) { - rs_t[i] = (rs >> (8 * i)) & MIPSDSP_Q0; - temp += (uint64_t)rs_t[i]; + ret += ds.ub[i]; } - - return temp; + return ret; } #endif