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| author | Vasant Hegde <hegdevasant@linux.vnet.ibm.com> | 2016-10-24 14:44:58 +0530 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2016-10-28 09:38:25 +1100 |
| commit | 37ad52ba7ae415e7a78676aa7bb5e9f4fc6c8030 (patch) | |
| tree | 93f04c21345d7de1b98a7de60bb4d46abc271ee6 /target-ppc | |
| parent | 3495b6b6101e680b6a7b27674f5d3e446b1cf013 (diff) | |
| download | qemu-37ad52ba7ae415e7a78676aa7bb5e9f4fc6c8030.tar.gz | |
target-ppc: add vmul10[u,eu,cu,ecu]q instructions
vmul10uq : Vector Multiply-by-10 Unsigned Quadword VX-form
vmul10euq : Vector Multiply-by-10 Extended Unsigned Quadword VX-form
vmul10cuq : Vector Multiply-by-10 & write Carry Unsigned Quadword VX-form
vmul10ecuq: Vector Multiply-by-10 Extended & write Carry Unsigned Quadword VX-form
Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
[ Add GEN_VXFORM_DUAL_EXT with invalid bit mask ]
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target-ppc')
| -rw-r--r-- | target-ppc/translate/vmx-impl.inc.c | 72 | ||||
| -rw-r--r-- | target-ppc/translate/vmx-ops.inc.c | 8 |
2 files changed, 76 insertions, 4 deletions
diff --git a/target-ppc/translate/vmx-impl.inc.c b/target-ppc/translate/vmx-impl.inc.c index 563f101642..fc612d9f37 100644 --- a/target-ppc/translate/vmx-impl.inc.c +++ b/target-ppc/translate/vmx-impl.inc.c @@ -182,6 +182,52 @@ static void gen_mtvscr(DisasContext *ctx) tcg_temp_free_ptr(p); } +#define GEN_VX_VMUL10(name, add_cin, ret_carry) \ +static void glue(gen_, name)(DisasContext *ctx) \ +{ \ + TCGv_i64 t0 = tcg_temp_new_i64(); \ + TCGv_i64 t1 = tcg_temp_new_i64(); \ + TCGv_i64 t2 = tcg_temp_new_i64(); \ + TCGv_i64 ten, z; \ + \ + if (unlikely(!ctx->altivec_enabled)) { \ + gen_exception(ctx, POWERPC_EXCP_VPU); \ + return; \ + } \ + \ + ten = tcg_const_i64(10); \ + z = tcg_const_i64(0); \ + \ + if (add_cin) { \ + tcg_gen_mulu2_i64(t0, t1, cpu_avrl[rA(ctx->opcode)], ten); \ + tcg_gen_andi_i64(t2, cpu_avrl[rB(ctx->opcode)], 0xF); \ + tcg_gen_add2_i64(cpu_avrl[rD(ctx->opcode)], t2, t0, t1, t2, z); \ + } else { \ + tcg_gen_mulu2_i64(cpu_avrl[rD(ctx->opcode)], t2, \ + cpu_avrl[rA(ctx->opcode)], ten); \ + } \ + \ + if (ret_carry) { \ + tcg_gen_mulu2_i64(t0, t1, cpu_avrh[rA(ctx->opcode)], ten); \ + tcg_gen_add2_i64(t0, cpu_avrl[rD(ctx->opcode)], t0, t1, t2, z); \ + tcg_gen_movi_i64(cpu_avrh[rD(ctx->opcode)], 0); \ + } else { \ + tcg_gen_mul_i64(t0, cpu_avrh[rA(ctx->opcode)], ten); \ + tcg_gen_add_i64(cpu_avrh[rD(ctx->opcode)], t0, t2); \ + } \ + \ + tcg_temp_free_i64(t0); \ + tcg_temp_free_i64(t1); \ + tcg_temp_free_i64(t2); \ + tcg_temp_free_i64(ten); \ + tcg_temp_free_i64(z); \ +} \ + +GEN_VX_VMUL10(vmul10uq, 0, 0); +GEN_VX_VMUL10(vmul10euq, 1, 0); +GEN_VX_VMUL10(vmul10cuq, 0, 1); +GEN_VX_VMUL10(vmul10ecuq, 1, 1); + /* Logical operations */ #define GEN_VX_LOGICAL(name, tcg_op, opc2, opc3) \ static void glue(gen_, name)(DisasContext *ctx) \ @@ -276,8 +322,30 @@ static void glue(gen_, name0##_##name1)(DisasContext *ctx) \ } \ } +/* Adds support to provide invalid mask */ +#define GEN_VXFORM_DUAL_EXT(name0, flg0, flg2_0, inval0, \ + name1, flg1, flg2_1, inval1) \ +static void glue(gen_, name0##_##name1)(DisasContext *ctx) \ +{ \ + if ((Rc(ctx->opcode) == 0) && \ + ((ctx->insns_flags & flg0) || (ctx->insns_flags2 & flg2_0)) && \ + !(ctx->opcode & inval0)) { \ + gen_##name0(ctx); \ + } else if ((Rc(ctx->opcode) == 1) && \ + ((ctx->insns_flags & flg1) || (ctx->insns_flags2 & flg2_1)) && \ + !(ctx->opcode & inval1)) { \ + gen_##name1(ctx); \ + } else { \ + gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \ + } \ +} + GEN_VXFORM(vaddubm, 0, 0); +GEN_VXFORM_DUAL_EXT(vaddubm, PPC_ALTIVEC, PPC_NONE, 0, \ + vmul10cuq, PPC_NONE, PPC2_ISA300, 0x0000F800) GEN_VXFORM(vadduhm, 0, 1); +GEN_VXFORM_DUAL(vadduhm, PPC_ALTIVEC, PPC_NONE, \ + vmul10ecuq, PPC_NONE, PPC2_ISA300) GEN_VXFORM(vadduwm, 0, 2); GEN_VXFORM(vaddudm, 0, 3); GEN_VXFORM(vsububm, 0, 16); @@ -390,7 +458,11 @@ GEN_VXFORM(vsro, 6, 17); GEN_VXFORM(vaddcuw, 0, 6); GEN_VXFORM(vsubcuw, 0, 22); GEN_VXFORM_ENV(vaddubs, 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_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); diff --git a/target-ppc/translate/vmx-ops.inc.c b/target-ppc/translate/vmx-ops.inc.c index ab64ab2e01..cc7ed7eeed 100644 --- a/target-ppc/translate/vmx-ops.inc.c +++ b/target-ppc/translate/vmx-ops.inc.c @@ -55,8 +55,8 @@ GEN_HANDLER_E(name0##_##name1, 0x4, opc2, opc3, 0x00000000, type0, type1) GEN_HANDLER_E(name0##_##name1, 0x4, opc2, opc3, 0x00000000, tp0, tp1), \ GEN_HANDLER_E(name0##_##name1, 0x4, opc2, (opc3 | 0x10), 0x00000000, tp0, tp1), -GEN_VXFORM(vaddubm, 0, 0), -GEN_VXFORM(vadduhm, 0, 1), +GEN_VXFORM_DUAL(vaddubm, vmul10cuq, 0, 0, PPC_ALTIVEC, PPC_NONE), +GEN_VXFORM_DUAL(vadduhm, vmul10ecuq, 0, 1, PPC_ALTIVEC, PPC_NONE), GEN_VXFORM(vadduwm, 0, 2), GEN_VXFORM_207(vaddudm, 0, 3), GEN_VXFORM_DUAL(vsububm, bcdadd, 0, 16, PPC_ALTIVEC, PPC_NONE), @@ -123,8 +123,8 @@ GEN_VXFORM(vslo, 6, 16), GEN_VXFORM(vsro, 6, 17), GEN_VXFORM(vaddcuw, 0, 6), GEN_VXFORM(vsubcuw, 0, 22), -GEN_VXFORM(vaddubs, 0, 8), -GEN_VXFORM(vadduhs, 0, 9), +GEN_VXFORM_DUAL(vaddubs, vmul10uq, 0, 8, PPC_ALTIVEC, PPC_NONE), +GEN_VXFORM_DUAL(vadduhs, vmul10euq, 0, 9, PPC_ALTIVEC, PPC_NONE), GEN_VXFORM(vadduws, 0, 10), GEN_VXFORM(vaddsbs, 0, 12), GEN_VXFORM(vaddshs, 0, 13), |