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| author | Richard Henderson <richard.henderson@linaro.org> | 2019-02-15 10:00:57 +0000 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2019-02-18 11:00:44 +1100 |
| commit | fb11ae7daae19e022f37f0508cae0e106304d167 (patch) | |
| tree | 58d241aa2498f2f8f138ac2d3628b246ca92e8d9 /target/ppc/translate/vmx-impl.inc.c | |
| parent | 9b5b74da0a07a89ef71c7f7da0b36560a3bac521 (diff) | |
| download | qemu-fb11ae7daae19e022f37f0508cae0e106304d167.zip qemu-fb11ae7daae19e022f37f0508cae0e106304d167.tar.gz qemu-fb11ae7daae19e022f37f0508cae0e106304d167.tar.bz2 | |
target/ppc: convert vadd*s and vsub*s to vector operations
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20190215100058.20015-17-mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target/ppc/translate/vmx-impl.inc.c')
| -rw-r--r-- | target/ppc/translate/vmx-impl.inc.c | 57 |
1 files changed, 45 insertions, 12 deletions
diff --git a/target/ppc/translate/vmx-impl.inc.c b/target/ppc/translate/vmx-impl.inc.c index 5e13edb..62c5578 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); |