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-rw-r--r--fpu/softfloat-specialize.h41
1 files changed, 29 insertions, 12 deletions
diff --git a/fpu/softfloat-specialize.h b/fpu/softfloat-specialize.h
index a1bcb46a47..43d08903a5 100644
--- a/fpu/softfloat-specialize.h
+++ b/fpu/softfloat-specialize.h
@@ -571,19 +571,36 @@ static int pickNaNMulAdd(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN,
return 3;
}
- /* Prefer sNaN over qNaN, in the a, b, c order. */
- if (aIsSNaN) {
- return 0;
- } else if (bIsSNaN) {
- return 1;
- } else if (cIsSNaN) {
- return 2;
- } else if (aIsQNaN) {
- return 0;
- } else if (bIsQNaN) {
- return 1;
+ if (status->snan_bit_is_one) {
+ /* Prefer sNaN over qNaN, in the a, b, c order. */
+ if (aIsSNaN) {
+ return 0;
+ } else if (bIsSNaN) {
+ return 1;
+ } else if (cIsSNaN) {
+ return 2;
+ } else if (aIsQNaN) {
+ return 0;
+ } else if (bIsQNaN) {
+ return 1;
+ } else {
+ return 2;
+ }
} else {
- return 2;
+ /* Prefer sNaN over qNaN, in the c, a, b order. */
+ if (cIsSNaN) {
+ return 2;
+ } else if (aIsSNaN) {
+ return 0;
+ } else if (bIsSNaN) {
+ return 1;
+ } else if (cIsQNaN) {
+ return 2;
+ } else if (aIsQNaN) {
+ return 0;
+ } else {
+ return 1;
+ }
}
}
#elif defined(TARGET_PPC)