haraldwolff/qemu-patch-raspberry4
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target-ppc: Use ppc_vsr_t.f128 in xscmp[o,u,exp]qp

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xscmpoqp, xscmpuqp & xscmpexpqp were added before f128 field was
introduced in ppc_vsr_t. Now that we have it, use it instead of
generating the 128 bit float using two 64bit fields.

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>
This commit is contained in:
Bharata B Rao 2017-01-12 21:54:05 +05:30 committed by David Gibson
parent 5c32e2e4a0
commit c6d8c5ba5a
1 changed files with 8 additions and 12 deletions
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20
target/ppc/fpu_helper.c
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@ -2452,8 +2452,8 @@ void helper_xscmpexpqp(CPUPPCState *env, uint32_t opcode)
exp_a = extract64(xa.VsrD(0), 48, 15);
exp_b = extract64(xb.VsrD(0), 48, 15);
if (unlikely(float128_is_any_nan(make_float128(xa.VsrD(0), xa.VsrD(1))) ||
float128_is_any_nan(make_float128(xb.VsrD(0), xb.VsrD(1))))) {
if (unlikely(float128_is_any_nan(xa.f128) ||
float128_is_any_nan(xb.f128))) {
cc = CRF_SO;
} else {
if (exp_a < exp_b) {
@ -2528,24 +2528,20 @@ void helper_##op(CPUPPCState *env, uint32_t opcode) \
ppc_vsr_t xa, xb; \
uint32_t cc = 0; \
bool vxsnan_flag = false, vxvc_flag = false; \
float128 a, b; \
\
helper_reset_fpstatus(env); \
getVSR(rA(opcode) + 32, &xa, env); \
getVSR(rB(opcode) + 32, &xb, env); \
\
a = make_float128(xa.VsrD(0), xa.VsrD(1)); \
b = make_float128(xb.VsrD(0), xb.VsrD(1)); \
\
if (float128_is_signaling_nan(a, &env->fp_status) || \
float128_is_signaling_nan(b, &env->fp_status)) { \
if (float128_is_signaling_nan(xa.f128, &env->fp_status) || \
float128_is_signaling_nan(xb.f128, &env->fp_status)) { \
vxsnan_flag = true; \
cc = CRF_SO; \
if (fpscr_ve == 0 && ordered) { \
vxvc_flag = true; \
} \
} else if (float128_is_quiet_nan(a, &env->fp_status) || \
float128_is_quiet_nan(b, &env->fp_status)) { \
} else if (float128_is_quiet_nan(xa.f128, &env->fp_status) || \
float128_is_quiet_nan(xb.f128, &env->fp_status)) { \
cc = CRF_SO; \
if (ordered) { \
vxvc_flag = true; \
@ -2558,9 +2554,9 @@ void helper_##op(CPUPPCState *env, uint32_t opcode) \
float_invalid_op_excp(env, POWERPC_EXCP_FP_VXVC, 0); \
} \
\
if (float128_lt(a, b, &env->fp_status)) { \
if (float128_lt(xa.f128, xb.f128, &env->fp_status)) { \
cc |= CRF_LT; \
} else if (!float128_le(a, b, &env->fp_status)) { \
} else if (!float128_le(xa.f128, xb.f128, &env->fp_status)) { \
cc |= CRF_GT; \
} else { \
cc |= CRF_EQ; \