diff options
Diffstat (limited to 'target-ppc')
| -rw-r--r-- | target-ppc/dfp_helper.c | 35 | ||||
| -rw-r--r-- | target-ppc/helper.h | 2 | ||||
| -rw-r--r-- | target-ppc/translate/dfp-impl.c | 20 | ||||
| -rw-r--r-- | target-ppc/translate/dfp-ops.c | 14 |
4 files changed, 71 insertions, 0 deletions
diff --git a/target-ppc/dfp_helper.c b/target-ppc/dfp_helper.c index db0ede698b..9164fe701b 100644 --- a/target-ppc/dfp_helper.c +++ b/target-ppc/dfp_helper.c @@ -647,6 +647,41 @@ uint32_t helper_##op(CPUPPCState *env, uint64_t *a, uint64_t *b) \ DFP_HELPER_TSTSF(dtstsf, 64) DFP_HELPER_TSTSF(dtstsfq, 128) +#define DFP_HELPER_TSTSFI(op, size) \ +uint32_t helper_##op(CPUPPCState *env, uint32_t a, uint64_t *b) \ +{ \ + struct PPC_DFP dfp; \ + unsigned uim; \ + \ + dfp_prepare_decimal##size(&dfp, 0, b, env); \ + \ + uim = a & 0x3F; \ + \ + if (unlikely(decNumberIsSpecial(&dfp.b))) { \ + dfp.crbf = 1; \ + } else if (uim == 0) { \ + dfp.crbf = 4; \ + } else if (unlikely(decNumberIsZero(&dfp.b))) { \ + /* Zero has no sig digits */ \ + dfp.crbf = 4; \ + } else { \ + unsigned nsd = dfp.b.digits; \ + if (uim < nsd) { \ + dfp.crbf = 8; \ + } else if (uim > nsd) { \ + dfp.crbf = 4; \ + } else { \ + dfp.crbf = 2; \ + } \ + } \ + \ + dfp_set_FPCC_from_CRBF(&dfp); \ + return dfp.crbf; \ +} + +DFP_HELPER_TSTSFI(dtstsfi, 64) +DFP_HELPER_TSTSFI(dtstsfiq, 128) + static void QUA_PPs(struct PPC_DFP *dfp) { dfp_set_FPRF_from_FRT(dfp); diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 9e4bb7b27d..68fd19ec8d 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -645,6 +645,8 @@ DEF_HELPER_3(dtstex, i32, env, fprp, fprp) DEF_HELPER_3(dtstexq, i32, env, fprp, fprp) DEF_HELPER_3(dtstsf, i32, env, fprp, fprp) DEF_HELPER_3(dtstsfq, i32, env, fprp, fprp) +DEF_HELPER_3(dtstsfi, i32, env, i32, fprp) +DEF_HELPER_3(dtstsfiq, i32, env, i32, fprp) DEF_HELPER_5(dquai, void, env, fprp, fprp, i32, i32) DEF_HELPER_5(dquaiq, void, env, fprp, fprp, i32, i32) DEF_HELPER_5(dqua, void, env, fprp, fprp, fprp, i32) diff --git a/target-ppc/translate/dfp-impl.c b/target-ppc/translate/dfp-impl.c index bf59951b1f..178d3044a7 100644 --- a/target-ppc/translate/dfp-impl.c +++ b/target-ppc/translate/dfp-impl.c @@ -45,6 +45,24 @@ static void gen_##name(DisasContext *ctx) \ tcg_temp_free_ptr(rb); \ } +#define GEN_DFP_BF_I_B(name) \ +static void gen_##name(DisasContext *ctx) \ +{ \ + TCGv_i32 uim; \ + TCGv_ptr rb; \ + if (unlikely(!ctx->fpu_enabled)) { \ + gen_exception(ctx, POWERPC_EXCP_FPU); \ + return; \ + } \ + gen_update_nip(ctx, ctx->nip - 4); \ + uim = tcg_const_i32(UIMM5(ctx->opcode)); \ + rb = gen_fprp_ptr(rB(ctx->opcode)); \ + gen_helper_##name(cpu_crf[crfD(ctx->opcode)], \ + cpu_env, uim, rb); \ + tcg_temp_free_i32(uim); \ + tcg_temp_free_ptr(rb); \ +} + #define GEN_DFP_BF_A_DCM(name) \ static void gen_##name(DisasContext *ctx) \ { \ @@ -172,6 +190,8 @@ GEN_DFP_BF_A_B(dtstex) GEN_DFP_BF_A_B(dtstexq) GEN_DFP_BF_A_B(dtstsf) GEN_DFP_BF_A_B(dtstsfq) +GEN_DFP_BF_I_B(dtstsfi) +GEN_DFP_BF_I_B(dtstsfiq) GEN_DFP_T_B_U32_U32_Rc(dquai, SIMM5, RMC) GEN_DFP_T_B_U32_U32_Rc(dquaiq, SIMM5, RMC) GEN_DFP_T_A_B_I32_Rc(dqua, RMC) diff --git a/target-ppc/translate/dfp-ops.c b/target-ppc/translate/dfp-ops.c index 7f27d0f286..6ef38e5712 100644 --- a/target-ppc/translate/dfp-ops.c +++ b/target-ppc/translate/dfp-ops.c @@ -1,6 +1,9 @@ #define _GEN_DFP_LONG(name, op1, op2, mask) \ GEN_HANDLER_E(name, 0x3B, op1, op2, mask, PPC_NONE, PPC2_DFP) +#define _GEN_DFP_LONG_300(name, op1, op2, mask) \ +GEN_HANDLER_E(name, 0x3B, op1, op2, mask, PPC_NONE, PPC2_ISA300) + #define _GEN_DFP_LONGx2(name, op1, op2, mask) \ GEN_HANDLER_E(name, 0x3B, op1, 0x00 | op2, mask, PPC_NONE, PPC2_DFP), \ GEN_HANDLER_E(name, 0x3B, op1, 0x10 | op2, mask, PPC_NONE, PPC2_DFP) @@ -14,6 +17,9 @@ GEN_HANDLER_E(name, 0x3B, op1, 0x18 | op2, mask, PPC_NONE, PPC2_DFP) #define _GEN_DFP_QUAD(name, op1, op2, mask) \ GEN_HANDLER_E(name, 0x3F, op1, op2, mask, PPC_NONE, PPC2_DFP) +#define _GEN_DFP_QUAD_300(name, op1, op2, mask) \ +GEN_HANDLER_E(name, 0x3F, op1, op2, mask, PPC_NONE, PPC2_ISA300) + #define _GEN_DFP_QUADx2(name, op1, op2, mask) \ GEN_HANDLER_E(name, 0x3F, op1, 0x00 | op2, mask, PPC_NONE, PPC2_DFP), \ GEN_HANDLER_E(name, 0x3F, op1, 0x10 | op2, mask, PPC_NONE, PPC2_DFP) @@ -48,12 +54,18 @@ _GEN_DFP_QUAD(name, op1, op2, 0x001F0800) #define GEN_DFP_BF_A_B(name, op1, op2) \ _GEN_DFP_LONG(name, op1, op2, 0x00000001) +#define GEN_DFP_BF_A_B_300(name, op1, op2) \ +_GEN_DFP_LONG_300(name, op1, op2, 0x00400001) + #define GEN_DFP_BF_Ap_Bp(name, op1, op2) \ _GEN_DFP_QUAD(name, op1, op2, 0x00610801) #define GEN_DFP_BF_A_Bp(name, op1, op2) \ _GEN_DFP_QUAD(name, op1, op2, 0x00600801) +#define GEN_DFP_BF_A_Bp_300(name, op1, op2) \ +_GEN_DFP_QUAD_300(name, op1, op2, 0x00400001) + #define GEN_DFP_BF_A_DCM(name, op1, op2) \ _GEN_DFP_LONGx2(name, op1, op2, 0x00600001) @@ -119,6 +131,8 @@ GEN_DFP_BF_A_B(dtstex, 0x02, 0x05), GEN_DFP_BF_Ap_Bp(dtstexq, 0x02, 0x05), GEN_DFP_BF_A_B(dtstsf, 0x02, 0x15), GEN_DFP_BF_A_Bp(dtstsfq, 0x02, 0x15), +GEN_DFP_BF_A_B_300(dtstsfi, 0x03, 0x15), +GEN_DFP_BF_A_Bp_300(dtstsfiq, 0x03, 0x15), GEN_DFP_TE_T_B_RMC_Rc(dquai, 0x03, 0x02), GEN_DFP_TE_Tp_Bp_RMC_Rc(dquaiq, 0x03, 0x02), GEN_DFP_T_A_B_RMC_Rc(dqua, 0x03, 0x00), |