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[09/24] fpu/softfloat: improve comments on ARM NaN propagation

Message ID 20180204041136.17525-10-richard.henderson@linaro.org
State New
Headers show
Series re-factor and add fp16 using glibc soft-fp | expand

Commit Message

Richard Henderson Feb. 4, 2018, 4:11 a.m. UTC 
From: Alex Bennée <alex.bennee@linaro.org>


Mention the pseudo-code fragment from which this is based.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

---
 fpu/softfloat-specialize.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

-- 
2.14.3
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Patch

diff --git a/fpu/softfloat-specialize.h b/fpu/softfloat-specialize.h
index de2c5d5702..4be0fb21ba 100644
--- a/fpu/softfloat-specialize.h
+++ b/fpu/softfloat-specialize.h
@@ -445,9 +445,10 @@  static float32 commonNaNToFloat32(commonNaNT a, float_status *status)
 
 #if defined(TARGET_ARM)
 static int pickNaN(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN,
-                    flag aIsLargerSignificand)
+                   flag aIsLargerSignificand)
 {
-    /* ARM mandated NaN propagation rules: take the first of:
+    /* ARM mandated NaN propagation rules (see FPProcessNaNs()), take
+     * the first of:
      *  1. A if it is signaling
      *  2. B if it is signaling
      *  3. A (quiet)