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[7/9] target-ppc: Correct VSX FP to FP Conversions

Message ID 1395866754-18673-8-git-send-email-tommusta@gmail.com
State New
Headers show

Commit Message

Tom Musta March 26, 2014, 8:45 p.m. UTC 
This change corrects the VSX double precision to single precision and
single precision to double precisions conversion routines.  The endian
correct accessors are now used.  The auxiliary "j" index is no longer
necessary and is eliminated.

Signed-off-by: Tom Musta <tommusta@gmail.com>
Tested-by: Tom Musta <tommusta@gmail.com>
---
 target-ppc/fpu_helper.c |    9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)
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Patch

diff --git a/target-ppc/fpu_helper.c b/target-ppc/fpu_helper.c
index 6233d5e..12bec90 100644
--- a/target-ppc/fpu_helper.c
+++ b/target-ppc/fpu_helper.c
@@ -2512,7 +2512,6 @@  void helper_##op(CPUPPCState *env, uint32_t opcode)                \
     getVSR(xT(opcode), &xt, env);                                  \
                                                                    \
     for (i = 0; i < nels; i++) {                                   \
-        int j = 2*i + JOFFSET;                                     \
         xt.tfld = stp##_to_##ttp(xb.sfld, &env->fp_status);        \
         if (unlikely(stp##_is_signaling_nan(xb.sfld))) {           \
             fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 0); \
@@ -2528,10 +2527,10 @@  void helper_##op(CPUPPCState *env, uint32_t opcode)                \
     helper_float_check_status(env);                                \
 }
 
-VSX_CVT_FP_TO_FP(xscvdpsp, 1, float64, float32, f64[i], f32[j], 1)
-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)
+VSX_CVT_FP_TO_FP(xscvdpsp, 1, float64, float32, VsrD(0), VsrW(0), 1)
+VSX_CVT_FP_TO_FP(xscvspdp, 1, float32, float64, VsrW(0), VsrD(0), 1)
+VSX_CVT_FP_TO_FP(xvcvdpsp, 2, float64, float32, VsrD(i), VsrW(2*i), 0)
+VSX_CVT_FP_TO_FP(xvcvspdp, 2, float32, float64, VsrW(2*i), VsrD(i), 0)
 
 uint64_t helper_xscvdpspn(CPUPPCState *env, uint64_t xb)
 {