diff options
| -rw-r--r-- | target-ppc/translate.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 2fabbaf033..19898185e6 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -2258,6 +2258,19 @@ static void gen_fneg(DisasContext *ctx) gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], 0, Rc(ctx->opcode) != 0); } +/* fcpsgn: PowerPC 2.05 specification */ +/* XXX: beware that fcpsgn never checks for NaNs nor update FPSCR */ +static void gen_fcpsgn(DisasContext *ctx) +{ + if (unlikely(!ctx->fpu_enabled)) { + gen_exception(ctx, POWERPC_EXCP_FPU); + return; + } + tcg_gen_deposit_i64(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rA(ctx->opcode)], + cpu_fpr[rB(ctx->opcode)], 0, 63); + gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], 0, Rc(ctx->opcode) != 0); +} + /*** Floating-Point status & ctrl register ***/ /* mcrfs */ @@ -8559,6 +8572,7 @@ GEN_HANDLER(fabs, 0x3F, 0x08, 0x08, 0x001F0000, PPC_FLOAT), GEN_HANDLER(fmr, 0x3F, 0x08, 0x02, 0x001F0000, PPC_FLOAT), GEN_HANDLER(fnabs, 0x3F, 0x08, 0x04, 0x001F0000, PPC_FLOAT), GEN_HANDLER(fneg, 0x3F, 0x08, 0x01, 0x001F0000, PPC_FLOAT), +GEN_HANDLER_E(fcpsgn, 0x3F, 0x08, 0x00, 0x00000000, PPC_NONE, PPC2_ISA205), GEN_HANDLER(mcrfs, 0x3F, 0x00, 0x02, 0x0063F801, PPC_FLOAT), GEN_HANDLER(mffs, 0x3F, 0x07, 0x12, 0x001FF800, PPC_FLOAT), GEN_HANDLER(mtfsb0, 0x3F, 0x06, 0x02, 0x001FF800, PPC_FLOAT), |