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X-Received-From: 2607:f8b0:4864:20::b36 Subject: [Qemu-devel] [RFC PATCH v4 72/75] target/i386: convert psadbw helper to gvec style X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jan Bobek , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Make these helpers suitable for use with tcg_gen_gvec_* functions. Signed-off-by: Jan Bobek --- target/i386/ops_sse.h | 64 +++++++++++++++--------------------- target/i386/ops_sse_header.h | 2 +- target/i386/translate.c | 9 +++-- 3 files changed, 32 insertions(+), 43 deletions(-) diff --git a/target/i386/ops_sse.h b/target/i386/ops_sse.h index 384a835662..b866ead1c8 100644 --- a/target/i386/ops_sse.h +++ b/target/i386/ops_sse.h @@ -412,6 +412,15 @@ static inline int satsw(int x) } } +static inline int abs1(int x) +{ + if (x < 0) { + return -x; + } else { + return x; + } +} + #define FMULHRW(a, b) (((int16_t)(a) * (int16_t)(b) + 0x8000) >> 16) #endif @@ -510,52 +519,33 @@ void glue(helper_pmaddwd, SUFFIX)(Reg *d, Reg *a, Reg *b, uint32_t desc) glue(clear_high, SUFFIX)(d, oprsz, maxsz); } -#if SHIFT == 0 -static inline int abs1(int a) +void glue(helper_psadbw, SUFFIX)(Reg *d, Reg *a, Reg *b, uint32_t desc) { - if (a < 0) { - return -a; - } else { - return a; + const intptr_t oprsz = simd_oprsz(desc); + const intptr_t maxsz = simd_maxsz(desc); + + for (intptr_t i = 0; i * sizeof(uint64_t) < oprsz; ++i) { + const uint64_t t0 = abs1(a->B(8 * i + 0) - b->B(8 * i + 0)); + const uint64_t t1 = abs1(a->B(8 * i + 1) - b->B(8 * i + 1)); + const uint64_t t2 = abs1(a->B(8 * i + 2) - b->B(8 * i + 2)); + const uint64_t t3 = abs1(a->B(8 * i + 3) - b->B(8 * i + 3)); + const uint64_t t4 = abs1(a->B(8 * i + 4) - b->B(8 * i + 4)); + const uint64_t t5 = abs1(a->B(8 * i + 5) - b->B(8 * i + 5)); + const uint64_t t6 = abs1(a->B(8 * i + 6) - b->B(8 * i + 6)); + const uint64_t t7 = abs1(a->B(8 * i + 7) - b->B(8 * i + 7)); + d->Q(i) = t0 + t1 + t2 + t3 + t4 + t5 + t6 + t7; } + glue(clear_high, SUFFIX)(d, oprsz, maxsz); } -#endif -void glue(helper_psadbw, SUFFIX)(CPUX86State *env, Reg *d, Reg *s) -{ - unsigned int val; - val = 0; - val += abs1(d->B(0) - s->B(0)); - val += abs1(d->B(1) - s->B(1)); - val += abs1(d->B(2) - s->B(2)); - val += abs1(d->B(3) - s->B(3)); - val += abs1(d->B(4) - s->B(4)); - val += abs1(d->B(5) - s->B(5)); - val += abs1(d->B(6) - s->B(6)); - val += abs1(d->B(7) - s->B(7)); - d->Q(0) = val; -#if SHIFT == 1 - val = 0; - val += abs1(d->B(8) - s->B(8)); - val += abs1(d->B(9) - s->B(9)); - val += abs1(d->B(10) - s->B(10)); - val += abs1(d->B(11) - s->B(11)); - val += abs1(d->B(12) - s->B(12)); - val += abs1(d->B(13) - s->B(13)); - val += abs1(d->B(14) - s->B(14)); - val += abs1(d->B(15) - s->B(15)); - d->Q(1) = val; -#endif -} - -void glue(helper_maskmov, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, +void glue(helper_maskmov, SUFFIX)(CPUX86State *env, Reg *a, Reg *b, target_ulong a0) { int i; for (i = 0; i < (8 << SHIFT); i++) { - if (s->B(i) & 0x80) { - cpu_stb_data_ra(env, a0 + i, d->B(i), GETPC()); + if (b->B(i) & 0x80) { + cpu_stb_data_ra(env, a0 + i, a->B(i), GETPC()); } } } diff --git a/target/i386/ops_sse_header.h b/target/i386/ops_sse_header.h index 18d39ca649..ec7d1fc686 100644 --- a/target/i386/ops_sse_header.h +++ b/target/i386/ops_sse_header.h @@ -74,7 +74,7 @@ DEF_HELPER_4(glue(pavgw, SUFFIX), void, Reg, Reg, Reg, i32) DEF_HELPER_4(glue(pmuludq, SUFFIX), void, Reg, Reg, Reg, i32) DEF_HELPER_4(glue(pmaddwd, SUFFIX), void, Reg, Reg, Reg, i32) -DEF_HELPER_3(glue(psadbw, SUFFIX), void, env, Reg, Reg) +DEF_HELPER_4(glue(psadbw, SUFFIX), void, Reg, Reg, Reg, i32) DEF_HELPER_4(glue(maskmov, SUFFIX), void, env, Reg, Reg, tl) DEF_HELPER_2(glue(movl_mm_T0, SUFFIX), void, Reg, i32) #ifdef TARGET_X86_64 diff --git a/target/i386/translate.c b/target/i386/translate.c index 55607db09c..6bffbaee4c 100644 --- a/target/i386/translate.c +++ b/target/i386/translate.c @@ -2806,7 +2806,6 @@ static const SSEFunc_0_epp sse_op_table1[256][4] = { [0xe6] = { NULL, gen_helper_cvttpd2dq, gen_helper_cvtdq2pd, gen_helper_cvtpd2dq }, [0xe7] = { SSE_SPECIAL , SSE_SPECIAL }, /* movntq, movntq */ [0xf0] = { NULL, NULL, NULL, SSE_SPECIAL }, /* lddqu */ - [0xf6] = MMX_OP2(psadbw), [0xf7] = { (SSEFunc_0_epp)gen_helper_maskmov_mmx, (SSEFunc_0_epp)gen_helper_maskmov_xmm }, /* XXX: casts */ }; @@ -6256,10 +6255,10 @@ DEF_GEN_INSN3_GVEC(pavgw, Pq, Pq, Qq, 3_ool, MM_OPRSZ, MM_MAXSZ, pavgw_mmx) DEF_GEN_INSN3_GVEC(pavgw, Vdq, Vdq, Wdq, 3_ool, XMM_OPRSZ, XMM_MAXSZ, pavgw_xmm) DEF_GEN_INSN3_GVEC(vpavgw, Vdq, Hdq, Wdq, 3_ool, XMM_OPRSZ, XMM_MAXSZ, pavgw_xmm) DEF_GEN_INSN3_GVEC(vpavgw, Vqq, Hqq, Wqq, 3_ool, XMM_OPRSZ, XMM_MAXSZ, pavgw_xmm) -DEF_GEN_INSN3_HELPER_EPP(psadbw, psadbw_mmx, Pq, Pq, Qq) -DEF_GEN_INSN3_HELPER_EPP(psadbw, psadbw_xmm, Vdq, Vdq, Wdq) -DEF_GEN_INSN3_HELPER_EPP(vpsadbw, psadbw_xmm, Vdq, Hdq, Wdq) -DEF_GEN_INSN3_HELPER_EPP(vpsadbw, psadbw_xmm, Vqq, Hqq, Wqq) +DEF_GEN_INSN3_GVEC(psadbw, Pq, Pq, Qq, 3_ool, MM_OPRSZ, MM_MAXSZ, psadbw_mmx) +DEF_GEN_INSN3_GVEC(psadbw, Vdq, Vdq, Wdq, 3_ool, XMM_OPRSZ, XMM_MAXSZ, psadbw_xmm) +DEF_GEN_INSN3_GVEC(vpsadbw, Vdq, Hdq, Wdq, 3_ool, XMM_OPRSZ, XMM_MAXSZ, psadbw_xmm) +DEF_GEN_INSN3_GVEC(vpsadbw, Vqq, Hqq, Wqq, 3_ool, XMM_OPRSZ, XMM_MAXSZ, psadbw_xmm) DEF_GEN_INSN4_HELPER_EPPI(mpsadbw, mpsadbw_xmm, Vdq, Vdq, Wdq, Ib) DEF_GEN_INSN4_HELPER_EPPI(vmpsadbw, mpsadbw_xmm, Vdq, Hdq, Wdq, Ib) DEF_GEN_INSN4_HELPER_EPPI(vmpsadbw, mpsadbw_xmm, Vqq, Hqq, Wqq, Ib) -- 2.20.1