diff options
| author | Bharata B Rao <bharata@linux.vnet.ibm.com> | 2017-02-06 15:59:59 +0530 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2017-02-22 11:28:27 +1100 |
| commit | 2770deede0ad4a7f1e9e41a75b96e4eeb9a8305d (patch) | |
| tree | cfbc78467cd35b714b73f38dff57769d402ca286 /target/ppc/fpu_helper.c | |
| parent | 802fc7abd01b641032123906dad8578fb9ea017d (diff) | |
| download | qemu-2770deede0ad4a7f1e9e41a75b96e4eeb9a8305d.zip | |
target-ppc: Add xsmaxcdp and xsmincdp instructions
xsmaxcdp: VSX Scalar Maximum Type-C Double-Precision
xsmincdp: VSX Scalar Minimum Type-C Double-Precision
Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target/ppc/fpu_helper.c')
| -rw-r--r-- | target/ppc/fpu_helper.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 48973a9db8..9d2688e675 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -2679,6 +2679,44 @@ VSX_MAX_MIN(xsmindp, minnum, 1, float64, VsrD(0)) VSX_MAX_MIN(xvmindp, minnum, 2, float64, VsrD(i)) VSX_MAX_MIN(xvminsp, minnum, 4, float32, VsrW(i)) +#define VSX_MAX_MINC(name, max) \ +void helper_##name(CPUPPCState *env, uint32_t opcode) \ +{ \ + ppc_vsr_t xt, xa, xb; \ + bool vxsnan_flag = false, vex_flag = false; \ + \ + getVSR(rA(opcode) + 32, &xa, env); \ + getVSR(rB(opcode) + 32, &xb, env); \ + getVSR(rD(opcode) + 32, &xt, env); \ + \ + if (unlikely(float64_is_any_nan(xa.VsrD(0)) || \ + float64_is_any_nan(xb.VsrD(0)))) { \ + if (float64_is_signaling_nan(xa.VsrD(0), &env->fp_status) || \ + float64_is_signaling_nan(xb.VsrD(0), &env->fp_status)) { \ + vxsnan_flag = true; \ + } \ + xt.VsrD(0) = xb.VsrD(0); \ + } else if ((max && \ + !float64_lt(xa.VsrD(0), xb.VsrD(0), &env->fp_status)) || \ + (!max && \ + float64_lt(xa.VsrD(0), xb.VsrD(0), &env->fp_status))) { \ + xt.VsrD(0) = xa.VsrD(0); \ + } else { \ + xt.VsrD(0) = xb.VsrD(0); \ + } \ + \ + vex_flag = fpscr_ve & vxsnan_flag; \ + if (vxsnan_flag) { \ + float_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 0); \ + } \ + if (!vex_flag) { \ + putVSR(rD(opcode) + 32, &xt, env); \ + } \ +} \ + +VSX_MAX_MINC(xsmaxcdp, 1); +VSX_MAX_MINC(xsmincdp, 0); + /* VSX_CMP - VSX floating point compare * op - instruction mnemonic * nels - number of elements (1, 2 or 4) |