diff options
Diffstat (limited to 'target-s390x/fpu_helper.c')
| -rw-r--r-- | target-s390x/fpu_helper.c | 28 |
1 files changed, 10 insertions, 18 deletions
diff --git a/target-s390x/fpu_helper.c b/target-s390x/fpu_helper.c index 8f2c504beb..7638a0d4a8 100644 --- a/target-s390x/fpu_helper.c +++ b/target-s390x/fpu_helper.c @@ -620,13 +620,12 @@ uint64_t HELPER(msdb)(CPUS390XState *env, uint64_t f1, } /* test data class 32-bit */ -uint32_t HELPER(tceb)(CPUS390XState *env, uint32_t f1, uint64_t m2) +uint32_t HELPER(tceb)(uint64_t f1, uint64_t m2) { - float32 v1 = env->fregs[f1].l.upper; + float32 v1 = f1; int neg = float32_is_neg(v1); uint32_t cc = 0; - HELPER_LOG("%s: v1 0x%lx m2 0x%lx neg %d\n", __func__, (long)v1, m2, neg); if ((float32_is_zero(v1) && (m2 & (1 << (11-neg)))) || (float32_is_infinity(v1) && (m2 & (1 << (5-neg)))) || (float32_is_any_nan(v1) && (m2 & (1 << (3-neg)))) || @@ -636,19 +635,16 @@ uint32_t HELPER(tceb)(CPUS390XState *env, uint32_t f1, uint64_t m2) /* assume normalized number */ cc = 1; } - /* FIXME: denormalized? */ return cc; } /* test data class 64-bit */ -uint32_t HELPER(tcdb)(CPUS390XState *env, uint32_t f1, uint64_t m2) +uint32_t HELPER(tcdb)(uint64_t v1, uint64_t m2) { - float64 v1 = env->fregs[f1].d; int neg = float64_is_neg(v1); uint32_t cc = 0; - HELPER_LOG("%s: v1 0x%lx m2 0x%lx neg %d\n", __func__, v1, m2, neg); if ((float64_is_zero(v1) && (m2 & (1 << (11-neg)))) || (float64_is_infinity(v1) && (m2 & (1 << (5-neg)))) || (float64_is_any_nan(v1) && (m2 & (1 << (3-neg)))) || @@ -663,20 +659,16 @@ uint32_t HELPER(tcdb)(CPUS390XState *env, uint32_t f1, uint64_t m2) } /* test data class 128-bit */ -uint32_t HELPER(tcxb)(CPUS390XState *env, uint32_t f1, uint64_t m2) +uint32_t HELPER(tcxb)(uint64_t ah, uint64_t al, uint64_t m2) { - CPU_QuadU v1; + float128 v1 = make_float128(ah, al); + int neg = float128_is_neg(v1); uint32_t cc = 0; - int neg; - - v1.ll.upper = env->fregs[f1].ll; - v1.ll.lower = env->fregs[f1 + 2].ll; - neg = float128_is_neg(v1.q); - if ((float128_is_zero(v1.q) && (m2 & (1 << (11-neg)))) || - (float128_is_infinity(v1.q) && (m2 & (1 << (5-neg)))) || - (float128_is_any_nan(v1.q) && (m2 & (1 << (3-neg)))) || - (float128_is_signaling_nan(v1.q) && (m2 & (1 << (1-neg))))) { + if ((float128_is_zero(v1) && (m2 & (1 << (11-neg)))) || + (float128_is_infinity(v1) && (m2 & (1 << (5-neg)))) || + (float128_is_any_nan(v1) && (m2 & (1 << (3-neg)))) || + (float128_is_signaling_nan(v1) && (m2 & (1 << (1-neg))))) { cc = 1; } else if (m2 & (1 << (9-neg))) { /* assume normalized number */ |