diff options
Diffstat (limited to 'gcc/range-op-float.cc')
| -rw-r--r-- | gcc/range-op-float.cc | 40 |
1 files changed, 32 insertions, 8 deletions
diff --git a/gcc/range-op-float.cc b/gcc/range-op-float.cc index 04208c8..a1f3729 100644 --- a/gcc/range-op-float.cc +++ b/gcc/range-op-float.cc @@ -1332,7 +1332,10 @@ foperator_unordered_lt::op1_range (frange &r, tree type, switch (get_bool_state (r, lhs, type)) { case BRS_TRUE: - build_lt (r, type, op2); + if (op2.known_isnan ()) + r.set_varying (type); + else + build_lt (r, type, op2); break; case BRS_FALSE: @@ -1359,7 +1362,10 @@ foperator_unordered_lt::op2_range (frange &r, tree type, switch (get_bool_state (r, lhs, type)) { case BRS_TRUE: - build_gt (r, type, op1); + if (op1.known_isnan ()) + r.set_varying (type); + else + build_gt (r, type, op1); break; case BRS_FALSE: @@ -1420,7 +1426,10 @@ foperator_unordered_le::op1_range (frange &r, tree type, switch (get_bool_state (r, lhs, type)) { case BRS_TRUE: - build_le (r, type, op2); + if (op2.known_isnan ()) + r.set_varying (type); + else + build_le (r, type, op2); break; case BRS_FALSE: @@ -1448,7 +1457,10 @@ foperator_unordered_le::op2_range (frange &r, switch (get_bool_state (r, lhs, type)) { case BRS_TRUE: - build_ge (r, type, op1); + if (op1.known_isnan ()) + r.set_varying (type); + else + build_ge (r, type, op1); break; case BRS_FALSE: @@ -1511,7 +1523,10 @@ foperator_unordered_gt::op1_range (frange &r, switch (get_bool_state (r, lhs, type)) { case BRS_TRUE: - build_gt (r, type, op2); + if (op2.known_isnan ()) + r.set_varying (type); + else + build_gt (r, type, op2); break; case BRS_FALSE: @@ -1539,7 +1554,10 @@ foperator_unordered_gt::op2_range (frange &r, switch (get_bool_state (r, lhs, type)) { case BRS_TRUE: - build_lt (r, type, op1); + if (op1.known_isnan ()) + r.set_varying (type); + else + build_lt (r, type, op1); break; case BRS_FALSE: @@ -1602,7 +1620,10 @@ foperator_unordered_ge::op1_range (frange &r, switch (get_bool_state (r, lhs, type)) { case BRS_TRUE: - build_ge (r, type, op2); + if (op2.known_isnan ()) + r.set_varying (type); + else + build_ge (r, type, op2); break; case BRS_FALSE: @@ -1629,7 +1650,10 @@ foperator_unordered_ge::op2_range (frange &r, tree type, switch (get_bool_state (r, lhs, type)) { case BRS_TRUE: - build_le (r, type, op1); + if (op1.known_isnan ()) + r.set_varying (type); + else + build_le (r, type, op1); break; case BRS_FALSE: |