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| author | Chih-Min Chao <chihmin.chao@sifive.com> | 2020-03-17 00:57:21 -0700 |
|---|---|---|
| committer | Chih-Min Chao <chihmin.chao@sifive.com> | 2020-03-17 00:57:21 -0700 |
| commit | aafd56631474edc3921bc4daf9dc234954eb5267 (patch) | |
| tree | 8d851eec14ad7678adc69b342059b45da081fdf8 | |
| parent | 450508a8cb7efb579bbb3722668ead16837a6e3c (diff) | |
| download | spike-aafd56631474edc3921bc4daf9dc234954eb5267.zip spike-aafd56631474edc3921bc4daf9dc234954eb5267.tar.gz spike-aafd56631474edc3921bc4daf9dc234954eb5267.tar.bz2 | |
rvv: sf: handle signaling NaN for fmax/fmin
Signed-off-by: Chih-Min Chao <chihmin.chao@sifive.com>
| -rw-r--r-- | softfloat/fall_maxmin.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/softfloat/fall_maxmin.c b/softfloat/fall_maxmin.c index 08f1d40..6405cf1 100644 --- a/softfloat/fall_maxmin.c +++ b/softfloat/fall_maxmin.c @@ -45,7 +45,13 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #define COMPARE_MAX(a, b, bits) \ float ## bits ## _t f ## bits ## _max( float ## bits ## _t a, float ## bits ## _t b ) \ { \ - if (isNaNF ## bits ## UI(a.v) && isNaNF ## bits ## UI(b.v)) { \ + if (f ## bits ## _isSignalingNaN(a) || \ + f ## bits ## _isSignalingNaN(b)) { \ + union ui ## bits ## _f ## bits ui; \ + ui.ui = defaultNaNF ## bits ## UI; \ + softfloat_raiseFlags( softfloat_flag_invalid ); \ + return ui.f; \ + } else if (isNaNF ## bits ## UI(a.v) && isNaNF ## bits ## UI(b.v)) { \ union ui ## bits ## _f ## bits ui; \ ui.ui = defaultNaNF ## bits ## UI; \ return ui.f; \ @@ -60,7 +66,13 @@ float ## bits ## _t f ## bits ## _max( float ## bits ## _t a, float ## bits ## _ #define COMPARE_MIN(a, b, bits) \ float ## bits ## _t f ## bits ## _min( float ## bits ## _t a, float ## bits ## _t b ) \ { \ - if (isNaNF ## bits ## UI(a.v) && isNaNF ## bits ## UI(b.v)) { \ + if (f ## bits ## _isSignalingNaN(a) || \ + f ## bits ## _isSignalingNaN(b)) { \ + union ui ## bits ## _f ## bits ui; \ + ui.ui = defaultNaNF ## bits ## UI; \ + softfloat_raiseFlags( softfloat_flag_invalid ); \ + return ui.f; \ + } else if (isNaNF ## bits ## UI(a.v) && isNaNF ## bits ## UI(b.v)) { \ union ui ## bits ## _f ## bits ui; \ ui.ui = defaultNaNF ## bits ## UI; \ return ui.f; \ |