From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45507) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fEfTR-0007Sk-K7 for qemu-devel@nongnu.org; Fri, 04 May 2018 14:30:30 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fEfTQ-00014h-De for qemu-devel@nongnu.org; Fri, 04 May 2018 14:30:29 -0400 Received: from mail-pg0-x241.google.com ([2607:f8b0:400e:c05::241]:40582) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fEfTQ-00014J-5n for qemu-devel@nongnu.org; Fri, 04 May 2018 14:30:28 -0400 Received: by mail-pg0-x241.google.com with SMTP id l2-v6so15967712pgc.7 for ; Fri, 04 May 2018 11:30:28 -0700 (PDT) From: Richard Henderson Date: Fri, 4 May 2018 11:30:13 -0700 Message-Id: <20180504183021.19318-3-richard.henderson@linaro.org> In-Reply-To: <20180504183021.19318-1-richard.henderson@linaro.org> References: <20180504183021.19318-1-richard.henderson@linaro.org> Subject: [Qemu-devel] [PATCH v2 02/10] target/arm: Use new min/max expanders List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, peter.maydell@linaro.org The generic expanders replace nearly identical code in the translator. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/translate-a64.c | 46 ++++++++++++++-------------------------------- 1 file changed, 14 insertions(+), 32 deletions(-) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index bff4e13bf6..d916fea3a3 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -6021,15 +6021,18 @@ static void disas_simd_across_lanes(DisasContext *s, uint32_t insn) tcg_gen_add_i64(tcg_res, tcg_res, tcg_elt); break; case 0x0a: /* SMAXV / UMAXV */ - tcg_gen_movcond_i64(is_u ? TCG_COND_GEU : TCG_COND_GE, - tcg_res, - tcg_res, tcg_elt, tcg_res, tcg_elt); + if (is_u) { + tcg_gen_umax_i64(tcg_res, tcg_res, tcg_elt); + } else { + tcg_gen_smax_i64(tcg_res, tcg_res, tcg_elt); + } break; case 0x1a: /* SMINV / UMINV */ - tcg_gen_movcond_i64(is_u ? TCG_COND_LEU : TCG_COND_LE, - tcg_res, - tcg_res, tcg_elt, tcg_res, tcg_elt); - break; + if (is_u) { + tcg_gen_umin_i64(tcg_res, tcg_res, tcg_elt); + } else { + tcg_gen_smin_i64(tcg_res, tcg_res, tcg_elt); + } break; default: g_assert_not_reached(); @@ -9931,27 +9934,6 @@ static void disas_simd_3same_logic(DisasContext *s, uint32_t insn) } } -/* Helper functions for 32 bit comparisons */ -static void gen_max_s32(TCGv_i32 res, TCGv_i32 op1, TCGv_i32 op2) -{ - tcg_gen_movcond_i32(TCG_COND_GE, res, op1, op2, op1, op2); -} - -static void gen_max_u32(TCGv_i32 res, TCGv_i32 op1, TCGv_i32 op2) -{ - tcg_gen_movcond_i32(TCG_COND_GEU, res, op1, op2, op1, op2); -} - -static void gen_min_s32(TCGv_i32 res, TCGv_i32 op1, TCGv_i32 op2) -{ - tcg_gen_movcond_i32(TCG_COND_LE, res, op1, op2, op1, op2); -} - -static void gen_min_u32(TCGv_i32 res, TCGv_i32 op1, TCGv_i32 op2) -{ - tcg_gen_movcond_i32(TCG_COND_LEU, res, op1, op2, op1, op2); -} - /* Pairwise op subgroup of C3.6.16. * * This is called directly or via the handle_3same_float for float pairwise @@ -10051,7 +10033,7 @@ static void handle_simd_3same_pair(DisasContext *s, int is_q, int u, int opcode, static NeonGenTwoOpFn * const fns[3][2] = { { gen_helper_neon_pmax_s8, gen_helper_neon_pmax_u8 }, { gen_helper_neon_pmax_s16, gen_helper_neon_pmax_u16 }, - { gen_max_s32, gen_max_u32 }, + { tcg_gen_smax_i32, tcg_gen_umax_i32 }, }; genfn = fns[size][u]; break; @@ -10061,7 +10043,7 @@ static void handle_simd_3same_pair(DisasContext *s, int is_q, int u, int opcode, static NeonGenTwoOpFn * const fns[3][2] = { { gen_helper_neon_pmin_s8, gen_helper_neon_pmin_u8 }, { gen_helper_neon_pmin_s16, gen_helper_neon_pmin_u16 }, - { gen_min_s32, gen_min_u32 }, + { tcg_gen_smin_i32, tcg_gen_umin_i32 }, }; genfn = fns[size][u]; break; @@ -10516,7 +10498,7 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn) static NeonGenTwoOpFn * const fns[3][2] = { { gen_helper_neon_max_s8, gen_helper_neon_max_u8 }, { gen_helper_neon_max_s16, gen_helper_neon_max_u16 }, - { gen_max_s32, gen_max_u32 }, + { tcg_gen_smax_i32, tcg_gen_umax_i32 }, }; genfn = fns[size][u]; break; @@ -10527,7 +10509,7 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn) static NeonGenTwoOpFn * const fns[3][2] = { { gen_helper_neon_min_s8, gen_helper_neon_min_u8 }, { gen_helper_neon_min_s16, gen_helper_neon_min_u16 }, - { gen_min_s32, gen_min_u32 }, + { tcg_gen_smin_i32, tcg_gen_umin_i32 }, }; genfn = fns[size][u]; break; -- 2.14.3