diff options
| author | Tom Musta <tommusta@gmail.com> | 2014-01-02 16:21:30 -0600 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2014-03-05 03:06:30 +0100 |
| commit | 4f17e9c738321151e6b7aa4d2c25c3f1e2443cca (patch) | |
| tree | f1dab4f0df3fc44d785973ea835cb30eae1d7239 | |
| parent | 595c6eefb79a77a650dd7a49e812920ed53b0e9c (diff) | |
target-ppc: Add VSX xscmp*dp Instructions
This patch adds the VSX scalar floating point compare ordered
and unordered instructions.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Alexander Graf <agraf@suse.de>
| -rw-r--r-- | target-ppc/fpu_helper.c | 39 | ||||
| -rw-r--r-- | target-ppc/helper.h | 2 | ||||
| -rw-r--r-- | target-ppc/translate.c | 4 |
3 files changed, 45 insertions, 0 deletions
diff --git a/target-ppc/fpu_helper.c b/target-ppc/fpu_helper.c index 54c47c84aa..eb5d878b43 100644 --- a/target-ppc/fpu_helper.c +++ b/target-ppc/fpu_helper.c @@ -2249,3 +2249,42 @@ VSX_MADD(xvnmaddasp, 4, float32, f32, NMADD_FLGS, 1, 0) VSX_MADD(xvnmaddmsp, 4, float32, f32, NMADD_FLGS, 0, 0) VSX_MADD(xvnmsubasp, 4, float32, f32, NMSUB_FLGS, 1, 0) VSX_MADD(xvnmsubmsp, 4, float32, f32, NMSUB_FLGS, 0, 0) + +#define VSX_SCALAR_CMP(op, ordered) \ +void helper_##op(CPUPPCState *env, uint32_t opcode) \ +{ \ + ppc_vsr_t xa, xb; \ + uint32_t cc = 0; \ + \ + getVSR(xA(opcode), &xa, env); \ + getVSR(xB(opcode), &xb, env); \ + \ + if (unlikely(float64_is_any_nan(xa.f64[0]) || \ + float64_is_any_nan(xb.f64[0]))) { \ + if (float64_is_signaling_nan(xa.f64[0]) || \ + float64_is_signaling_nan(xb.f64[0])) { \ + fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 0); \ + } \ + if (ordered) { \ + fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXVC, 0); \ + } \ + cc = 1; \ + } else { \ + if (float64_lt(xa.f64[0], xb.f64[0], &env->fp_status)) { \ + cc = 8; \ + } else if (!float64_le(xa.f64[0], xb.f64[0], &env->fp_status)) { \ + cc = 4; \ + } else { \ + cc = 2; \ + } \ + } \ + \ + env->fpscr &= ~(0x0F << FPSCR_FPRF); \ + env->fpscr |= cc << FPSCR_FPRF; \ + env->crf[BF(opcode)] = cc; \ + \ + helper_float_check_status(env); \ +} + +VSX_SCALAR_CMP(xscmpodp, 1) +VSX_SCALAR_CMP(xscmpudp, 0) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 7368908310..cd7238867e 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -268,6 +268,8 @@ DEF_HELPER_2(xsnmaddadp, void, env, i32) DEF_HELPER_2(xsnmaddmdp, void, env, i32) DEF_HELPER_2(xsnmsubadp, void, env, i32) DEF_HELPER_2(xsnmsubmdp, void, env, i32) +DEF_HELPER_2(xscmpodp, void, env, i32) +DEF_HELPER_2(xscmpudp, void, env, i32) DEF_HELPER_2(xvadddp, void, env, i32) DEF_HELPER_2(xvsubdp, void, env, i32) diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 9e13ed7e5a..168567889c 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -7321,6 +7321,8 @@ GEN_VSX_HELPER_2(xsnmaddadp, 0x04, 0x14, 0, PPC2_VSX) GEN_VSX_HELPER_2(xsnmaddmdp, 0x04, 0x15, 0, PPC2_VSX) GEN_VSX_HELPER_2(xsnmsubadp, 0x04, 0x16, 0, PPC2_VSX) GEN_VSX_HELPER_2(xsnmsubmdp, 0x04, 0x17, 0, PPC2_VSX) +GEN_VSX_HELPER_2(xscmpodp, 0x0C, 0x05, 0, PPC2_VSX) +GEN_VSX_HELPER_2(xscmpudp, 0x0C, 0x04, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvadddp, 0x00, 0x0C, 0, PPC2_VSX) GEN_VSX_HELPER_2(xvsubdp, 0x00, 0x0D, 0, PPC2_VSX) @@ -10056,6 +10058,8 @@ GEN_XX3FORM(xsnmaddadp, 0x04, 0x14, PPC2_VSX), GEN_XX3FORM(xsnmaddmdp, 0x04, 0x15, PPC2_VSX), GEN_XX3FORM(xsnmsubadp, 0x04, 0x16, PPC2_VSX), GEN_XX3FORM(xsnmsubmdp, 0x04, 0x17, PPC2_VSX), +GEN_XX2FORM(xscmpodp, 0x0C, 0x05, PPC2_VSX), +GEN_XX2FORM(xscmpudp, 0x0C, 0x04, PPC2_VSX), GEN_XX3FORM(xvadddp, 0x00, 0x0C, PPC2_VSX), GEN_XX3FORM(xvsubdp, 0x00, 0x0D, PPC2_VSX), |