diff options
| author | Tom Musta <tommusta@gmail.com> | 2014-01-07 10:06:07 -0600 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2014-03-05 03:06:43 +0100 |
| commit | da29cb7bc7b62c14a69a104f91867edf9ce88543 (patch) | |
| tree | 22693522f567b8e15c6c897a59030dc2dd6d3022 /target-ppc/translate.c | |
| parent | 29a0e4e9a1adfaf8864cfb7a79e5bb0f28aac282 (diff) | |
target-ppc: Add ISA 2.06 ftdiv Instruction
This patch adds the Floating Point Test for Divide instruction which
was introduced in Power ISA 2.06B.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'target-ppc/translate.c')
| -rw-r--r-- | target-ppc/translate.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 4c08fe5c07..f372742157 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -2238,6 +2238,18 @@ GEN_FLOAT_B(rip, 0x08, 0x0E, 1, PPC_FLOAT_EXT); /* frim */ GEN_FLOAT_B(rim, 0x08, 0x0F, 1, PPC_FLOAT_EXT); +static void gen_ftdiv(DisasContext *ctx) +{ + if (unlikely(!ctx->fpu_enabled)) { + gen_exception(ctx, POWERPC_EXCP_FPU); + return; + } + gen_helper_ftdiv(cpu_crf[crfD(ctx->opcode)], cpu_fpr[rA(ctx->opcode)], + cpu_fpr[rB(ctx->opcode)]); +} + + + /*** Floating-Point compare ***/ /* fcmpo */ @@ -9856,6 +9868,7 @@ GEN_FLOAT_ACB(madd, 0x1D, 1, PPC_FLOAT), GEN_FLOAT_ACB(msub, 0x1C, 1, PPC_FLOAT), GEN_FLOAT_ACB(nmadd, 0x1F, 1, PPC_FLOAT), GEN_FLOAT_ACB(nmsub, 0x1E, 1, PPC_FLOAT), +GEN_HANDLER_E(ftdiv, 0x3F, 0x00, 0x04, 1, PPC_NONE, PPC2_FP_TST_ISA206), GEN_FLOAT_B(ctiw, 0x0E, 0x00, 0, PPC_FLOAT), GEN_HANDLER_E(fctiwu, 0x3F, 0x0E, 0x04, 0, PPC_NONE, PPC2_FP_CVT_ISA206), GEN_FLOAT_B(ctiwz, 0x0F, 0x00, 0, PPC_FLOAT), |