diff options
author | Bharata B Rao <bharata@linux.vnet.ibm.com> | 2017-01-12 21:54:06 +0530 |
---|---|---|
committer | David Gibson <david@gibson.dropbear.id.au> | 2017-01-31 10:10:14 +1100 |
commit | 48ef23cb265715cd39cba30fcc5a7e98cd09f5d7 (patch) | |
tree | 8fe14fa44b3f430acd0d2200ac3ebb72f95bb2f6 /target/ppc/fpu_helper.c | |
parent | c6d8c5ba5a12660559e036caa1f46a7d988c579b (diff) |
target-ppc: Add xscvsdqp and xscvudqp instructions
xscvsdqp: VSX Scalar Convert Signed Doubleword format to
Quad-Precision format
xscvudqp: VSX Scalar Convert Unsigned Doubleword format to
Quad-Precision format
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 | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index d648234e86..b9689b7138 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -2960,6 +2960,31 @@ VSX_CVT_INT_TO_FP(xvcvuxdsp, 2, uint64, float32, VsrD(i), VsrW(2*i), 0, 0) VSX_CVT_INT_TO_FP(xvcvsxwsp, 4, int32, float32, VsrW(i), VsrW(i), 0, 0) VSX_CVT_INT_TO_FP(xvcvuxwsp, 4, uint32, float32, VsrW(i), VsrW(i), 0, 0) +/* VSX_CVT_INT_TO_FP_VECTOR - VSX integer to floating point conversion + * op - instruction mnemonic + * stp - source type (int32, uint32, int64 or uint64) + * ttp - target type (float32 or float64) + * sfld - source vsr_t field + * tfld - target vsr_t field + */ +#define VSX_CVT_INT_TO_FP_VECTOR(op, stp, ttp, sfld, tfld) \ +void helper_##op(CPUPPCState *env, uint32_t opcode) \ +{ \ + ppc_vsr_t xt, xb; \ + \ + getVSR(rB(opcode) + 32, &xb, env); \ + getVSR(rD(opcode) + 32, &xt, env); \ + \ + xt.tfld = stp##_to_##ttp(xb.sfld, &env->fp_status); \ + helper_compute_fprf_##ttp(env, xt.tfld); \ + \ + putVSR(xT(opcode) + 32, &xt, env); \ + float_check_status(env); \ +} + +VSX_CVT_INT_TO_FP_VECTOR(xscvsdqp, int64, float128, VsrD(0), f128) +VSX_CVT_INT_TO_FP_VECTOR(xscvudqp, uint64, float128, VsrD(0), f128) + /* For "use current rounding mode", define a value that will not be one of * the existing rounding model enums. */ |