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-rw-r--r--target-arm/neon_helper.c40
1 files changed, 18 insertions, 22 deletions
diff --git a/target-arm/neon_helper.c b/target-arm/neon_helper.c
index f5b173aa71..9165519236 100644
--- a/target-arm/neon_helper.c
+++ b/target-arm/neon_helper.c
@@ -1802,41 +1802,37 @@ uint32_t HELPER(neon_mul_f32)(uint32_t a, uint32_t b)
return float32_val(float32_mul(make_float32(a), make_float32(b), NFS));
}
-/* Floating point comparisons produce an integer result. */
-#define NEON_VOP_FCMP(name, ok) \
-uint32_t HELPER(neon_##name)(uint32_t a, uint32_t b) \
-{ \
- switch (float32_compare_quiet(make_float32(a), make_float32(b), NFS)) { \
- ok return ~0; \
- default: return 0; \
- } \
+/* Floating point comparisons produce an integer result.
+ * Note that EQ doesn't signal InvalidOp for QNaNs but GE and GT do.
+ * Softfloat routines return 0/1, which we convert to the 0/-1 Neon requires.
+ */
+uint32_t HELPER(neon_ceq_f32)(uint32_t a, uint32_t b)
+{
+ return -float32_eq_quiet(make_float32(a), make_float32(b), NFS);
+}
+
+uint32_t HELPER(neon_cge_f32)(uint32_t a, uint32_t b)
+{
+ return -float32_le(make_float32(b), make_float32(a), NFS);
}
-NEON_VOP_FCMP(ceq_f32, case float_relation_equal:)
-NEON_VOP_FCMP(cge_f32, case float_relation_equal: case float_relation_greater:)
-NEON_VOP_FCMP(cgt_f32, case float_relation_greater:)
+uint32_t HELPER(neon_cgt_f32)(uint32_t a, uint32_t b)
+{
+ return -float32_lt(make_float32(b), make_float32(a), NFS);
+}
uint32_t HELPER(neon_acge_f32)(uint32_t a, uint32_t b)
{
float32 f0 = float32_abs(make_float32(a));
float32 f1 = float32_abs(make_float32(b));
- switch (float32_compare_quiet(f0, f1, NFS)) {
- case float_relation_equal:
- case float_relation_greater:
- return ~0;
- default:
- return 0;
- }
+ return -float32_le(f1, f0, NFS);
}
uint32_t HELPER(neon_acgt_f32)(uint32_t a, uint32_t b)
{
float32 f0 = float32_abs(make_float32(a));
float32 f1 = float32_abs(make_float32(b));
- if (float32_compare_quiet(f0, f1, NFS) == float_relation_greater) {
- return ~0;
- }
- return 0;
+ return -float32_lt(f1, f0, NFS);
}
#define ELEM(V, N, SIZE) (((V) >> ((N) * (SIZE))) & ((1ull << (SIZE)) - 1))