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Fri, 15 Feb 2019 10:02:01 +0000 From: Mark Cave-Ayland To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org, david@gibson.dropbear.id.au, richard.henderson@linaro.org Date: Fri, 15 Feb 2019 10:00:57 +0000 Message-Id: <20190215100058.20015-17-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20190215100058.20015-1-mark.cave-ayland@ilande.co.uk> References: <20190215100058.20015-1-mark.cave-ayland@ilande.co.uk> X-SA-Exim-Connect-IP: 86.133.194.245 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk X-SA-Exim-Version: 4.2.1 (built Sun, 08 Jan 2012 02:45:44 +0000) X-SA-Exim-Scanned: Yes (on s16892447.onlinehome-server.info) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 82.165.15.123 Subject: [Qemu-devel] [PATCH 16/17] target/ppc: convert vadd*s and vsub*s to vector operations X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Richard Henderson Signed-off-by: Richard Henderson Acked-by: David Gibson --- target/ppc/helper.h | 24 ++++++++-------- target/ppc/int_helper.c | 18 +++--------- target/ppc/translate/vmx-impl.inc.c | 57 +++++++++++++++++++++++++++++-------- 3 files changed, 61 insertions(+), 38 deletions(-) diff --git a/target/ppc/helper.h b/target/ppc/helper.h index 7dbb08b9dd..3daf6bf863 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -219,18 +219,18 @@ DEF_HELPER_2(vprtybq, void, avr, avr) DEF_HELPER_3(vsubcuw, void, avr, avr, avr) DEF_HELPER_2(lvsl, void, avr, tl) DEF_HELPER_2(lvsr, void, avr, tl) -DEF_HELPER_4(vaddsbs, void, env, avr, avr, avr) -DEF_HELPER_4(vaddshs, void, env, avr, avr, avr) -DEF_HELPER_4(vaddsws, void, env, avr, avr, avr) -DEF_HELPER_4(vsubsbs, void, env, avr, avr, avr) -DEF_HELPER_4(vsubshs, void, env, avr, avr, avr) -DEF_HELPER_4(vsubsws, void, env, avr, avr, avr) -DEF_HELPER_4(vaddubs, void, env, avr, avr, avr) -DEF_HELPER_4(vadduhs, void, env, avr, avr, avr) -DEF_HELPER_4(vadduws, void, env, avr, avr, avr) -DEF_HELPER_4(vsububs, void, env, avr, avr, avr) -DEF_HELPER_4(vsubuhs, void, env, avr, avr, avr) -DEF_HELPER_4(vsubuws, void, env, avr, avr, avr) +DEF_HELPER_FLAGS_5(vaddsbs, TCG_CALL_NO_RWG, void, avr, avr, avr, avr, i32) +DEF_HELPER_FLAGS_5(vaddshs, TCG_CALL_NO_RWG, void, avr, avr, avr, avr, i32) +DEF_HELPER_FLAGS_5(vaddsws, TCG_CALL_NO_RWG, void, avr, avr, avr, avr, i32) +DEF_HELPER_FLAGS_5(vsubsbs, TCG_CALL_NO_RWG, void, avr, avr, avr, avr, i32) +DEF_HELPER_FLAGS_5(vsubshs, TCG_CALL_NO_RWG, void, avr, avr, avr, avr, i32) +DEF_HELPER_FLAGS_5(vsubsws, TCG_CALL_NO_RWG, void, avr, avr, avr, avr, i32) +DEF_HELPER_FLAGS_5(vaddubs, TCG_CALL_NO_RWG, void, avr, avr, avr, avr, i32) +DEF_HELPER_FLAGS_5(vadduhs, TCG_CALL_NO_RWG, void, avr, avr, avr, avr, i32) +DEF_HELPER_FLAGS_5(vadduws, TCG_CALL_NO_RWG, void, avr, avr, avr, avr, i32) +DEF_HELPER_FLAGS_5(vsububs, TCG_CALL_NO_RWG, void, avr, avr, avr, avr, i32) +DEF_HELPER_FLAGS_5(vsubuhs, TCG_CALL_NO_RWG, void, avr, avr, avr, avr, i32) +DEF_HELPER_FLAGS_5(vsubuws, TCG_CALL_NO_RWG, void, avr, avr, avr, avr, i32) DEF_HELPER_3(vadduqm, void, avr, avr, avr) DEF_HELPER_4(vaddecuq, void, avr, avr, avr, avr) DEF_HELPER_4(vaddeuqm, void, avr, avr, avr, avr) diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index 6ad596a08b..4aeb375edd 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -571,27 +571,17 @@ VARITHFPFMA(nmsubfp, float_muladd_negate_result | float_muladd_negate_c); } #define VARITHSAT_DO(name, op, optype, cvt, element) \ - void helper_v##name(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, \ - ppc_avr_t *b) \ + void helper_v##name(ppc_avr_t *r, ppc_avr_t *vscr_sat, \ + ppc_avr_t *a, ppc_avr_t *b, uint32_t desc) \ { \ int sat = 0; \ int i; \ \ for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ - switch (sizeof(r->element[0])) { \ - case 1: \ - VARITHSAT_CASE(optype, op, cvt, element); \ - break; \ - case 2: \ - VARITHSAT_CASE(optype, op, cvt, element); \ - break; \ - case 4: \ - VARITHSAT_CASE(optype, op, cvt, element); \ - break; \ - } \ + VARITHSAT_CASE(optype, op, cvt, element); \ } \ if (sat) { \ - set_vscr_sat(env); \ + vscr_sat->u32[0] = 1; \ } \ } #define VARITHSAT_SIGNED(suffix, element, optype, cvt) \ diff --git a/target/ppc/translate/vmx-impl.inc.c b/target/ppc/translate/vmx-impl.inc.c index 5e13edbf53..62c5578070 100644 --- a/target/ppc/translate/vmx-impl.inc.c +++ b/target/ppc/translate/vmx-impl.inc.c @@ -552,22 +552,55 @@ GEN_VXFORM(vslo, 6, 16); GEN_VXFORM(vsro, 6, 17); GEN_VXFORM(vaddcuw, 0, 6); GEN_VXFORM(vsubcuw, 0, 22); -GEN_VXFORM_ENV(vaddubs, 0, 8); + +#define GEN_VXFORM_SAT(NAME, VECE, NORM, SAT, OPC2, OPC3) \ +static void glue(glue(gen_, NAME), _vec)(unsigned vece, TCGv_vec t, \ + TCGv_vec sat, TCGv_vec a, \ + TCGv_vec b) \ +{ \ + TCGv_vec x = tcg_temp_new_vec_matching(t); \ + glue(glue(tcg_gen_, NORM), _vec)(VECE, x, a, b); \ + glue(glue(tcg_gen_, SAT), _vec)(VECE, t, a, b); \ + tcg_gen_cmp_vec(TCG_COND_NE, VECE, x, x, t); \ + tcg_gen_or_vec(VECE, sat, sat, x); \ + tcg_temp_free_vec(x); \ +} \ +static void glue(gen_, NAME)(DisasContext *ctx) \ +{ \ + static const GVecGen4 g = { \ + .fniv = glue(glue(gen_, NAME), _vec), \ + .fno = glue(gen_helper_, NAME), \ + .opc = glue(glue(INDEX_op_, SAT), _vec), \ + .write_aofs = true, \ + .vece = VECE, \ + }; \ + if (unlikely(!ctx->altivec_enabled)) { \ + gen_exception(ctx, POWERPC_EXCP_VPU); \ + return; \ + } \ + tcg_gen_gvec_4(avr64_offset(rD(ctx->opcode), true), \ + offsetof(CPUPPCState, vscr_sat), \ + avr64_offset(rA(ctx->opcode), true), \ + avr64_offset(rB(ctx->opcode), true), \ + 16, 16, &g); \ +} + +GEN_VXFORM_SAT(vaddubs, MO_8, add, usadd, 0, 8); GEN_VXFORM_DUAL_EXT(vaddubs, PPC_ALTIVEC, PPC_NONE, 0, \ vmul10uq, PPC_NONE, PPC2_ISA300, 0x0000F800) -GEN_VXFORM_ENV(vadduhs, 0, 9); +GEN_VXFORM_SAT(vadduhs, MO_16, add, usadd, 0, 9); GEN_VXFORM_DUAL(vadduhs, PPC_ALTIVEC, PPC_NONE, \ vmul10euq, PPC_NONE, PPC2_ISA300) -GEN_VXFORM_ENV(vadduws, 0, 10); -GEN_VXFORM_ENV(vaddsbs, 0, 12); -GEN_VXFORM_ENV(vaddshs, 0, 13); -GEN_VXFORM_ENV(vaddsws, 0, 14); -GEN_VXFORM_ENV(vsububs, 0, 24); -GEN_VXFORM_ENV(vsubuhs, 0, 25); -GEN_VXFORM_ENV(vsubuws, 0, 26); -GEN_VXFORM_ENV(vsubsbs, 0, 28); -GEN_VXFORM_ENV(vsubshs, 0, 29); -GEN_VXFORM_ENV(vsubsws, 0, 30); +GEN_VXFORM_SAT(vadduws, MO_32, add, usadd, 0, 10); +GEN_VXFORM_SAT(vaddsbs, MO_8, add, ssadd, 0, 12); +GEN_VXFORM_SAT(vaddshs, MO_16, add, ssadd, 0, 13); +GEN_VXFORM_SAT(vaddsws, MO_32, add, ssadd, 0, 14); +GEN_VXFORM_SAT(vsububs, MO_8, sub, ussub, 0, 24); +GEN_VXFORM_SAT(vsubuhs, MO_16, sub, ussub, 0, 25); +GEN_VXFORM_SAT(vsubuws, MO_32, sub, ussub, 0, 26); +GEN_VXFORM_SAT(vsubsbs, MO_8, sub, sssub, 0, 28); +GEN_VXFORM_SAT(vsubshs, MO_16, sub, sssub, 0, 29); +GEN_VXFORM_SAT(vsubsws, MO_32, sub, sssub, 0, 30); GEN_VXFORM(vadduqm, 0, 4); GEN_VXFORM(vaddcuq, 0, 5); GEN_VXFORM3(vaddeuqm, 30, 0);