xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

MIPS: math-emu: Replace DP_MBITS with DP_FBITS and SP_MBITS with SP_FBITS.

Browse Source 
Both were defined as 23 rsp. 52 though the mentissa is actually a bit more
than the fraction.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle
2014-04-22 15:51:55 +02:00
parent f5410d19b0
commit ad8fb5537a
25 changed files with 100 additions and 100 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
arch/mips/math-emu/ieee754dp.c
View File

@@ -43,7 +43,7 @@ int ieee754dp_isnan(union ieee754dp x)
int ieee754dp_issnan(union ieee754dp x)
{
assert(ieee754dp_isnan(x));
return ((DPMANT(x) & DP_MBIT(DP_MBITS-1)) == DP_MBIT(DP_MBITS-1));
return ((DPMANT(x) & DP_MBIT(DP_FBITS-1)) == DP_MBIT(DP_FBITS-1));
}
@@ -73,7 +73,7 @@ union ieee754dp __cold ieee754dp_nanxcpt(union ieee754dp r, const char *op, ...)
if (!ieee754_setandtestcx(IEEE754_INVALID_OPERATION)) {
/* not enabled convert to a quiet NaN */
DPMANT(r) &= (~DP_MBIT(DP_MBITS-1));
DPMANT(r) &= (~DP_MBIT(DP_FBITS-1));
if (ieee754dp_isnan(r))
return r;
else
@@ -136,7 +136,7 @@ union ieee754dp ieee754dp_format(int sn, int xe, u64 xm)
{
assert(xm); /* we don't gen exact zeros (probably should) */
assert((xm >> (DP_MBITS + 1 + 3)) == 0); /* no execess */
assert((xm >> (DP_FBITS + 1 + 3)) == 0); /* no execess */
assert(xm & (DP_HIDDEN_BIT << 3));
if (xe < DP_EMIN) {
@@ -165,7 +165,7 @@ union ieee754dp ieee754dp_format(int sn, int xe, u64 xm)
}
if (xe == DP_EMIN - 1
&& get_rounding(sn, xm) >> (DP_MBITS + 1 + 3))
&& get_rounding(sn, xm) >> (DP_FBITS + 1 + 3))
{
/* Not tiny after rounding */
ieee754_setcx(IEEE754_INEXACT);
@@ -195,7 +195,7 @@ union ieee754dp ieee754dp_format(int sn, int xe, u64 xm)
xm = get_rounding(sn, xm);
/* adjust exponent for rounding add overflowing
*/
if (xm >> (DP_MBITS + 3 + 1)) {
if (xm >> (DP_FBITS + 3 + 1)) {
/* add causes mantissa overflow */
xm >>= 1;
xe++;
@@ -204,7 +204,7 @@ union ieee754dp ieee754dp_format(int sn, int xe, u64 xm)
/* strip grs bits */
xm >>= 3;
assert((xm >> (DP_MBITS + 1)) == 0); /* no execess */
assert((xm >> (DP_FBITS + 1)) == 0); /* no execess */
assert(xe >= DP_EMIN);
if (xe > DP_EMAX) {
@@ -237,7 +237,7 @@ union ieee754dp ieee754dp_format(int sn, int xe, u64 xm)
ieee754_setcx(IEEE754_UNDERFLOW);
return builddp(sn, DP_EMIN - 1 + DP_EBIAS, xm);
} else {
assert((xm >> (DP_MBITS + 1)) == 0); /* no execess */
assert((xm >> (DP_FBITS + 1)) == 0); /* no execess */
assert(xm & DP_HIDDEN_BIT);
return builddp(sn, xe + DP_EBIAS, xm & ~DP_HIDDEN_BIT);