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[Qemu-devel] [PATCH 7/9] target-ppc: Correct VSX FP to FP Conversions
From: |
Tom Musta |
Subject: |
[Qemu-devel] [PATCH 7/9] target-ppc: Correct VSX FP to FP Conversions |
Date: |
Wed, 26 Mar 2014 15:45:52 -0500 |
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 <address@hidden>
Tested-by: Tom Musta <address@hidden>
---
target-ppc/fpu_helper.c | 9 ++++-----
1 files changed, 4 insertions(+), 5 deletions(-)
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)
{
--
1.7.1
- [Qemu-devel] [PATCH 0/9] target-ppc: VSX Bug Fixes, Tom Musta, 2014/03/26
- [Qemu-devel] [PATCH 1/9] softfloat: Introduce float32_to_uint64_round_to_zero, Tom Musta, 2014/03/26
- [Qemu-devel] [PATCH 2/9] target-ppc: Bug: VSX Convert to Integer Should Truncate, Tom Musta, 2014/03/26
- [Qemu-devel] [PATCH 3/9] target-ppc: Define Endian-Correct Accessors for VSR Field Acess, Tom Musta, 2014/03/26
- [Qemu-devel] [PATCH 4/9] target-ppc: Correct LE Host Inversion of Lower VSRs, Tom Musta, 2014/03/26
- [Qemu-devel] [PATCH 5/9] target-ppc: Correct Simple VSR LE Host Inversions, Tom Musta, 2014/03/26
- [Qemu-devel] [PATCH 6/9] target-ppc: Correct VSX Scalar Compares, Tom Musta, 2014/03/26
- [Qemu-devel] [PATCH 7/9] target-ppc: Correct VSX FP to FP Conversions,
Tom Musta <=
- [Qemu-devel] [PATCH 8/9] target-ppc: Correct VSX FP to Integer Conversion, Tom Musta, 2014/03/26
- [Qemu-devel] [PATCH 9/9] target-ppc: Correct VSX Integer to FP Conversion, Tom Musta, 2014/03/26
- Re: [Qemu-devel] [PATCH 0/9] target-ppc: VSX Bug Fixes, Anton Blanchard, 2014/03/27