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| author | Tom Musta <tommusta@gmail.com> | 2014-01-15 08:10:45 -0600 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2014-03-05 03:06:38 +0100 |
| commit | 7ee19fb9d682689d36c849576c808cf92e3bae40 (patch) | |
| tree | 4ff10b420a15adceebebdb535af22c02e975e22a | |
| parent | 3d1140bf3e73e4fd244914bdf2867fe634759c71 (diff) | |
| download | hqemu-7ee19fb9d682689d36c849576c808cf92e3bae40.zip hqemu-7ee19fb9d682689d36c849576c808cf92e3bae40.tar.gz | |
target-ppc: Scalar Non-Signalling Conversions
This patch adds the non-signalling scalar conversion instructions:
- VSX Scalar Convert Single Precision to Double Precision
Non-Signalling (xscvspdpn)
- VSX Scalar Convert Double Precision to Single Precision
Non-Signalling (xscvdpspn)
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 | 16 | ||||
| -rw-r--r-- | target-ppc/helper.h | 2 | ||||
| -rw-r--r-- | target-ppc/translate.c | 4 |
3 files changed, 22 insertions, 0 deletions
diff --git a/target-ppc/fpu_helper.c b/target-ppc/fpu_helper.c index c35135e..dfd9b80 100644 --- a/target-ppc/fpu_helper.c +++ b/target-ppc/fpu_helper.c @@ -2487,6 +2487,22 @@ VSX_CVT_FP_TO_FP(xscvspdp, 1, float32, float64, f32[j], f64[i], 1) VSX_CVT_FP_TO_FP(xvcvdpsp, 2, float64, float32, f64[i], f32[j], 0) VSX_CVT_FP_TO_FP(xvcvspdp, 2, float32, float64, f32[j], f64[i], 0) +uint64_t helper_xscvdpspn(CPUPPCState *env, uint64_t xb) +{ + float_status tstat = env->fp_status; + set_float_exception_flags(0, &tstat); + + return (uint64_t)float64_to_float32(xb, &tstat) << 32; +} + +uint64_t helper_xscvspdpn(CPUPPCState *env, uint64_t xb) +{ + float_status tstat = env->fp_status; + set_float_exception_flags(0, &tstat); + + return float32_to_float64(xb >> 32, &tstat); +} + /* VSX_CVT_FP_TO_INT - VSX floating point to integer conversion * op - instruction mnemonic * nels - number of elements (1, 2 or 4) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 1654589..0976930 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -273,7 +273,9 @@ DEF_HELPER_2(xscmpudp, void, env, i32) DEF_HELPER_2(xsmaxdp, void, env, i32) DEF_HELPER_2(xsmindp, void, env, i32) DEF_HELPER_2(xscvdpsp, void, env, i32) +DEF_HELPER_2(xscvdpspn, i64, env, i64) DEF_HELPER_2(xscvspdp, void, env, i32) +DEF_HELPER_2(xscvspdpn, i64, env, i64) DEF_HELPER_2(xscvdpsxds, void, env, i32) DEF_HELPER_2(xscvdpsxws, void, env, i32) DEF_HELPER_2(xscvdpuxds, void, env, i32) diff --git a/target-ppc/translate.c b/target-ppc/translate.c index c307f24..d57d683 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -7437,7 +7437,9 @@ GEN_VSX_HELPER_2(xscmpudp, 0x0C, 0x04, 0, PPC2_VSX) GEN_VSX_HELPER_2(xsmaxdp, 0x00, 0x14, 0, PPC2_VSX) GEN_VSX_HELPER_2(xsmindp, 0x00, 0x15, 0, PPC2_VSX) GEN_VSX_HELPER_2(xscvdpsp, 0x12, 0x10, 0, PPC2_VSX) +GEN_VSX_HELPER_XT_XB_ENV(xscvdpspn, 0x16, 0x10, 0, PPC2_VSX207) GEN_VSX_HELPER_2(xscvspdp, 0x12, 0x14, 0, PPC2_VSX) +GEN_VSX_HELPER_XT_XB_ENV(xscvspdpn, 0x16, 0x14, 0, PPC2_VSX207) GEN_VSX_HELPER_2(xscvdpsxds, 0x10, 0x15, 0, PPC2_VSX) GEN_VSX_HELPER_2(xscvdpsxws, 0x10, 0x05, 0, PPC2_VSX) GEN_VSX_HELPER_2(xscvdpuxds, 0x10, 0x14, 0, PPC2_VSX) @@ -10275,7 +10277,9 @@ GEN_XX2FORM(xscmpudp, 0x0C, 0x04, PPC2_VSX), GEN_XX3FORM(xsmaxdp, 0x00, 0x14, PPC2_VSX), GEN_XX3FORM(xsmindp, 0x00, 0x15, PPC2_VSX), GEN_XX2FORM(xscvdpsp, 0x12, 0x10, PPC2_VSX), +GEN_XX2FORM(xscvdpspn, 0x16, 0x10, PPC2_VSX207), GEN_XX2FORM(xscvspdp, 0x12, 0x14, PPC2_VSX), +GEN_XX2FORM(xscvspdpn, 0x16, 0x14, PPC2_VSX207), GEN_XX2FORM(xscvdpsxds, 0x10, 0x15, PPC2_VSX), GEN_XX2FORM(xscvdpsxws, 0x10, 0x05, PPC2_VSX), GEN_XX2FORM(xscvdpuxds, 0x10, 0x14, PPC2_VSX), |
