OpenE2K
/
qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

target/ppc: Split out float_invalid_op_addsub 

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Richard Henderson 2018-10-11 16:41:56 -07:00 committed by David Gibson
parent 0394d7a684
commit 57483867e9
1 changed files with 26 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

60
target/ppc/fpu_helper.c
View File

@ -648,6 +648,17 @@ void helper_reset_fpstatus(CPUPPCState *env)
set_float_exception_flags(0, &env->fp_status);
}
static void float_invalid_op_addsub(CPUPPCState *env, bool set_fpcc,
uintptr_t retaddr, int classes)
{
if ((classes & ~is_neg) == is_inf) {
/* Magnitude subtraction of infinities */
float_invalid_op_vxisi(env, set_fpcc, retaddr);
} else if (classes & is_snan) {
float_invalid_op_vxsnan(env, retaddr);
}
}
/* fadd - fadd. */
float64 helper_fadd(CPUPPCState *env, float64 arg1, float64 arg2)
{
@ -655,14 +666,9 @@ float64 helper_fadd(CPUPPCState *env, float64 arg1, float64 arg2)
int status = get_float_exception_flags(&env->fp_status);
if (unlikely(status & float_flag_invalid)) {
if (float64_is_infinity(arg1) && float64_is_infinity(arg2)) {
/* Magnitude subtraction of infinities */
float_invalid_op_vxisi(env, 1, GETPC());
} else if (float64_is_signaling_nan(arg1, &env->fp_status) ||
float64_is_signaling_nan(arg2, &env->fp_status)) {
/* sNaN addition */
float_invalid_op_vxsnan(env, GETPC());
}
float_invalid_op_addsub(env, 1, GETPC(),
float64_classify(arg1) |
float64_classify(arg2));
}
return ret;
@ -675,14 +681,9 @@ float64 helper_fsub(CPUPPCState *env, float64 arg1, float64 arg2)
int status = get_float_exception_flags(&env->fp_status);
if (unlikely(status & float_flag_invalid)) {
if (float64_is_infinity(arg1) && float64_is_infinity(arg2)) {
/* Magnitude subtraction of infinities */
float_invalid_op_vxisi(env, 1, GETPC());
} else if (float64_is_signaling_nan(arg1, &env->fp_status) ||
float64_is_signaling_nan(arg2, &env->fp_status)) {
/* sNaN addition */
float_invalid_op_vxsnan(env, GETPC());
}
float_invalid_op_addsub(env, 1, GETPC(),
float64_classify(arg1) |
float64_classify(arg2));
}
return ret;
@ -1803,12 +1804,9 @@ void helper_##name(CPUPPCState *env, uint32_t opcode) \
env->fp_status.float_exception_flags |= tstat.float_exception_flags; \
\
if (unlikely(tstat.float_exception_flags & float_flag_invalid)) { \
if (tp##_is_infinity(xa.fld) && tp##_is_infinity(xb.fld)) { \
float_invalid_op_vxisi(env, sfprf, GETPC()); \
} else if (tp##_is_signaling_nan(xa.fld, &tstat) || \
tp##_is_signaling_nan(xb.fld, &tstat)) { \
float_invalid_op_vxsnan(env, GETPC()); \
} \
float_invalid_op_addsub(env, sfprf, GETPC(), \
tp##_classify(xa.fld) | \
tp##_classify(xb.fld)); \
} \
\
if (r2sp) { \
@ -1852,12 +1850,9 @@ void helper_xsaddqp(CPUPPCState *env, uint32_t opcode)
env->fp_status.float_exception_flags |= tstat.float_exception_flags;
if (unlikely(tstat.float_exception_flags & float_flag_invalid)) {
if (float128_is_infinity(xa.f128) && float128_is_infinity(xb.f128)) {
float_invalid_op_vxisi(env, 1, GETPC());
} else if (float128_is_signaling_nan(xa.f128, &tstat) ||
float128_is_signaling_nan(xb.f128, &tstat)) {
float_invalid_op_vxsnan(env, GETPC());
}
float_invalid_op_addsub(env, 1, GETPC(),
float128_classify(xa.f128) |
float128_classify(xb.f128));
}
helper_compute_fprf_float128(env, xt.f128);
@ -3518,12 +3513,9 @@ void helper_xssubqp(CPUPPCState *env, uint32_t opcode)
env->fp_status.float_exception_flags |= tstat.float_exception_flags;
if (unlikely(tstat.float_exception_flags & float_flag_invalid)) {
if (float128_is_infinity(xa.f128) && float128_is_infinity(xb.f128)) {
float_invalid_op_vxisi(env, 1, GETPC());
} else if (float128_is_signaling_nan(xa.f128, &tstat) ||
float128_is_signaling_nan(xb.f128, &tstat)) {
float_invalid_op_vxsnan(env, GETPC());
}
float_invalid_op_addsub(env, 1, GETPC(),
float128_classify(xa.f128) |
float128_classify(xb.f128));
}
helper_compute_fprf_float128(env, xt.f128);