math: use double_t for temporaries to avoid stores on i386

[musl] / src / math / __tan.c

diff --git a/src/math/__tan.c b/src/math/__tan.c
index 01e3fe4..fc739f9 100644 (file)
--- a/src/math/__tan.c
+++ b/src/math/__tan.c
@@ -65,7 +65,7 @@ pio4lo =     3.06161699786838301793e-17; /* 3C81A626, 33145C07 */
 
 double __tan(double x, double y, int iy)
 {
-       double z, r, v, w, s, sign;
+       double_t z, r, v, w, s, sign;
        int32_t ix, hx;
 
        GET_HIGH_WORD(hx,x);
@@ -106,7 +106,8 @@ double __tan(double x, double y, int iy)
                 * -1.0 / (x+r) here
                 */
                /* compute -1.0 / (x+r) accurately */
-               double a, t;
+               double_t a;
+               double z, t;
                z = w;
                SET_LOW_WORD(z,0);
                v = r - (z - x);        /* z+v = r+x */