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authorRalf Baechle <ralf@linux-mips.org>2014-04-22 15:51:55 +0200
committerRalf Baechle <ralf@linux-mips.org>2014-05-23 15:11:13 +0200
commitad8fb5537a7747187e92434dc096d3914472b51b (patch)
tree57649f0df12bb0aa946bf5b6c25452398ae70f1b /arch/mips/math-emu
parentf5410d19b07d1d06a2ffa43db6d9b565a3a51c41 (diff)
downloadlinux-ad8fb5537a7747187e92434dc096d3914472b51b.tar.bz2
MIPS: math-emu: Replace DP_MBITS with DP_FBITS and SP_MBITS with SP_FBITS.
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>
Diffstat (limited to 'arch/mips/math-emu')
-rw-r--r--arch/mips/math-emu/dp_add.c4
-rw-r--r--arch/mips/math-emu/dp_div.c4
-rw-r--r--arch/mips/math-emu/dp_fint.c4
-rw-r--r--arch/mips/math-emu/dp_flong.c8
-rw-r--r--arch/mips/math-emu/dp_fsp.c8
-rw-r--r--arch/mips/math-emu/dp_modf.c8
-rw-r--r--arch/mips/math-emu/dp_mul.c12
-rw-r--r--arch/mips/math-emu/dp_sub.c4
-rw-r--r--arch/mips/math-emu/dp_tint.c10
-rw-r--r--arch/mips/math-emu/dp_tlong.c10
-rw-r--r--arch/mips/math-emu/ieee754dp.c14
-rw-r--r--arch/mips/math-emu/ieee754dp.h6
-rw-r--r--arch/mips/math-emu/ieee754int.h12
-rw-r--r--arch/mips/math-emu/ieee754sp.c14
-rw-r--r--arch/mips/math-emu/ieee754sp.h8
-rw-r--r--arch/mips/math-emu/sp_add.c4
-rw-r--r--arch/mips/math-emu/sp_div.c4
-rw-r--r--arch/mips/math-emu/sp_fdp.c8
-rw-r--r--arch/mips/math-emu/sp_fint.c8
-rw-r--r--arch/mips/math-emu/sp_flong.c8
-rw-r--r--arch/mips/math-emu/sp_modf.c8
-rw-r--r--arch/mips/math-emu/sp_mul.c12
-rw-r--r--arch/mips/math-emu/sp_sub.c4
-rw-r--r--arch/mips/math-emu/sp_tint.c8
-rw-r--r--arch/mips/math-emu/sp_tlong.c10
25 files changed, 100 insertions, 100 deletions
diff --git a/arch/mips/math-emu/dp_add.c b/arch/mips/math-emu/dp_add.c
index 7daaafcfeb78..f1c8e70e8beb 100644
--- a/arch/mips/math-emu/dp_add.c
+++ b/arch/mips/math-emu/dp_add.c
@@ -153,7 +153,7 @@ union ieee754dp ieee754dp_add(union ieee754dp x, union ieee754dp y)
xe = xe;
xs = xs;
- if (xm >> (DP_MBITS + 1 + 3)) { /* carry out */
+ if (xm >> (DP_FBITS + 1 + 3)) { /* carry out */
xm = XDPSRS1(xm);
xe++;
}
@@ -172,7 +172,7 @@ union ieee754dp ieee754dp_add(union ieee754dp x, union ieee754dp y)
IEEE754_RD);
/* normalize to rounding precision */
- while ((xm >> (DP_MBITS + 3)) == 0) {
+ while ((xm >> (DP_FBITS + 3)) == 0) {
xm <<= 1;
xe--;
}
diff --git a/arch/mips/math-emu/dp_div.c b/arch/mips/math-emu/dp_div.c
index 3b568b718d52..13ecffa9c25e 100644
--- a/arch/mips/math-emu/dp_div.c
+++ b/arch/mips/math-emu/dp_div.c
@@ -129,7 +129,7 @@ union ieee754dp ieee754dp_div(union ieee754dp x, union ieee754dp y)
int re = xe - ye;
u64 bm;
- for (bm = DP_MBIT(DP_MBITS + 2); bm; bm >>= 1) {
+ for (bm = DP_MBIT(DP_FBITS + 2); bm; bm >>= 1) {
if (xm >= ym) {
xm -= ym;
rm |= bm;
@@ -146,7 +146,7 @@ union ieee754dp ieee754dp_div(union ieee754dp x, union ieee754dp y)
/* normalise rm to rounding precision ?
*/
- while ((rm >> (DP_MBITS + 3)) == 0) {
+ while ((rm >> (DP_FBITS + 3)) == 0) {
rm <<= 1;
re--;
}
diff --git a/arch/mips/math-emu/dp_fint.c b/arch/mips/math-emu/dp_fint.c
index 4b5ee799b4a4..196a010ff09d 100644
--- a/arch/mips/math-emu/dp_fint.c
+++ b/arch/mips/math-emu/dp_fint.c
@@ -52,8 +52,8 @@ union ieee754dp ieee754dp_fint(int x)
}
/* normalize - result can never be inexact or overflow */
- xe = DP_MBITS;
- while ((xm >> DP_MBITS) == 0) {
+ xe = DP_FBITS;
+ while ((xm >> DP_FBITS) == 0) {
xm <<= 1;
xe--;
}
diff --git a/arch/mips/math-emu/dp_flong.c b/arch/mips/math-emu/dp_flong.c
index 89bd57917c94..915072d82c20 100644
--- a/arch/mips/math-emu/dp_flong.c
+++ b/arch/mips/math-emu/dp_flong.c
@@ -52,15 +52,15 @@ union ieee754dp ieee754dp_flong(s64 x)
}
/* normalize */
- xe = DP_MBITS + 3;
- if (xm >> (DP_MBITS + 1 + 3)) {
+ xe = DP_FBITS + 3;
+ if (xm >> (DP_FBITS + 1 + 3)) {
/* shunt out overflow bits */
- while (xm >> (DP_MBITS + 1 + 3)) {
+ while (xm >> (DP_FBITS + 1 + 3)) {
XDPSRSX1();
}
} else {
/* normalize in grs extended double precision */
- while ((xm >> (DP_MBITS + 3)) == 0) {
+ while ((xm >> (DP_FBITS + 3)) == 0) {
xm <<= 1;
xe--;
}
diff --git a/arch/mips/math-emu/dp_fsp.c b/arch/mips/math-emu/dp_fsp.c
index cacd9f328690..7ddb506153e1 100644
--- a/arch/mips/math-emu/dp_fsp.c
+++ b/arch/mips/math-emu/dp_fsp.c
@@ -44,8 +44,8 @@ union ieee754dp ieee754dp_fsp(union ieee754sp x)
return ieee754dp_nanxcpt(builddp(xs,
DP_EMAX + 1 + DP_EBIAS,
((u64) xm
- << (DP_MBITS -
- SP_MBITS))), "fsp",
+ << (DP_FBITS -
+ SP_FBITS))), "fsp",
x);
case IEEE754_CLASS_INF:
return ieee754dp_inf(xs);
@@ -53,7 +53,7 @@ union ieee754dp ieee754dp_fsp(union ieee754sp x)
return ieee754dp_zero(xs);
case IEEE754_CLASS_DNORM:
/* normalize */
- while ((xm >> SP_MBITS) == 0) {
+ while ((xm >> SP_FBITS) == 0) {
xm <<= 1;
xe--;
}
@@ -69,5 +69,5 @@ union ieee754dp ieee754dp_fsp(union ieee754sp x)
xm &= ~SP_HIDDEN_BIT;
return builddp(xs, xe + DP_EBIAS,
- (u64) xm << (DP_MBITS - SP_MBITS));
+ (u64) xm << (DP_FBITS - SP_FBITS));
}
diff --git a/arch/mips/math-emu/dp_modf.c b/arch/mips/math-emu/dp_modf.c
index 61733ff512c7..d83ec44f1a33 100644
--- a/arch/mips/math-emu/dp_modf.c
+++ b/arch/mips/math-emu/dp_modf.c
@@ -54,24 +54,24 @@ union ieee754dp ieee754dp_modf(union ieee754dp x, union ieee754dp *ip)
*ip = ieee754dp_zero(xs);
return x;
}
- if (xe >= DP_MBITS) {
+ if (xe >= DP_FBITS) {
*ip = x;
return ieee754dp_zero(xs);
}
/* generate ipart mantissa by clearing bottom bits
*/
*ip = builddp(xs, xe + DP_EBIAS,
- ((xm >> (DP_MBITS - xe)) << (DP_MBITS - xe)) &
+ ((xm >> (DP_FBITS - xe)) << (DP_FBITS - xe)) &
~DP_HIDDEN_BIT);
/* generate fpart mantissa by clearing top bits
* and normalizing (must be able to normalize)
*/
- xm = (xm << (64 - (DP_MBITS - xe))) >> (64 - (DP_MBITS - xe));
+ xm = (xm << (64 - (DP_FBITS - xe))) >> (64 - (DP_FBITS - xe));
if (xm == 0)
return ieee754dp_zero(xs);
- while ((xm >> DP_MBITS) == 0) {
+ while ((xm >> DP_FBITS) == 0) {
xm <<= 1;
xe--;
}
diff --git a/arch/mips/math-emu/dp_mul.c b/arch/mips/math-emu/dp_mul.c
index 8f1bef91aa95..56fb309b42c1 100644
--- a/arch/mips/math-emu/dp_mul.c
+++ b/arch/mips/math-emu/dp_mul.c
@@ -113,8 +113,8 @@ union ieee754dp ieee754dp_mul(union ieee754dp x, union ieee754dp y)
u64 rm;
/* shunt to top of word */
- xm <<= 64 - (DP_MBITS + 1);
- ym <<= 64 - (DP_MBITS + 1);
+ xm <<= 64 - (DP_FBITS + 1);
+ ym <<= 64 - (DP_FBITS + 1);
/* multiply 32bits xm,ym to give high 32bits rm with stickness
*/
@@ -162,13 +162,13 @@ union ieee754dp ieee754dp_mul(union ieee754dp x, union ieee754dp y)
*/
if ((s64) rm < 0) {
rm =
- (rm >> (64 - (DP_MBITS + 1 + 3))) |
- ((rm << (DP_MBITS + 1 + 3)) != 0);
+ (rm >> (64 - (DP_FBITS + 1 + 3))) |
+ ((rm << (DP_FBITS + 1 + 3)) != 0);
re++;
} else {
rm =
- (rm >> (64 - (DP_MBITS + 1 + 3 + 1))) |
- ((rm << (DP_MBITS + 1 + 3 + 1)) != 0);
+ (rm >> (64 - (DP_FBITS + 1 + 3 + 1))) |
+ ((rm << (DP_FBITS + 1 + 3 + 1)) != 0);
}
assert(rm & (DP_HIDDEN_BIT << 3));
DPNORMRET2(rs, re, rm, "mul", x, y);
diff --git a/arch/mips/math-emu/dp_sub.c b/arch/mips/math-emu/dp_sub.c
index e369c7b07f5e..25d25bc8d977 100644
--- a/arch/mips/math-emu/dp_sub.c
+++ b/arch/mips/math-emu/dp_sub.c
@@ -158,7 +158,7 @@ union ieee754dp ieee754dp_sub(union ieee754dp x, union ieee754dp y)
xe = xe;
xs = xs;
- if (xm >> (DP_MBITS + 1 + 3)) { /* carry out */
+ if (xm >> (DP_FBITS + 1 + 3)) { /* carry out */
xm = XDPSRS1(xm); /* shift preserving sticky */
xe++;
}
@@ -181,7 +181,7 @@ union ieee754dp ieee754dp_sub(union ieee754dp x, union ieee754dp y)
/* normalize to rounding precision
*/
- while ((xm >> (DP_MBITS + 3)) == 0) {
+ while ((xm >> (DP_FBITS + 3)) == 0) {
xm <<= 1;
xe--;
}
diff --git a/arch/mips/math-emu/dp_tint.c b/arch/mips/math-emu/dp_tint.c
index 792470c53779..8c39a40d7fe9 100644
--- a/arch/mips/math-emu/dp_tint.c
+++ b/arch/mips/math-emu/dp_tint.c
@@ -54,9 +54,9 @@ int ieee754dp_tint(union ieee754dp x)
return ieee754si_xcpt(ieee754si_indef(), "dp_tint", x);
}
/* oh gawd */
- if (xe > DP_MBITS) {
- xm <<= xe - DP_MBITS;
- } else if (xe < DP_MBITS) {
+ if (xe > DP_FBITS) {
+ xm <<= xe - DP_FBITS;
+ } else if (xe < DP_FBITS) {
u64 residue;
int round;
int sticky;
@@ -68,10 +68,10 @@ int ieee754dp_tint(union ieee754dp x)
sticky = residue != 0;
xm = 0;
} else {
- residue = xm << (64 - DP_MBITS + xe);
+ residue = xm << (64 - DP_FBITS + xe);
round = (residue >> 63) != 0;
sticky = (residue << 1) != 0;
- xm >>= DP_MBITS - xe;
+ xm >>= DP_FBITS - xe;
}
/* Note: At this point upper 32 bits of xm are guaranteed
to be zero */
diff --git a/arch/mips/math-emu/dp_tlong.c b/arch/mips/math-emu/dp_tlong.c
index fcc1c4f50e98..2653b6eac689 100644
--- a/arch/mips/math-emu/dp_tlong.c
+++ b/arch/mips/math-emu/dp_tlong.c
@@ -57,9 +57,9 @@ s64 ieee754dp_tlong(union ieee754dp x)
return ieee754di_xcpt(ieee754di_indef(), "dp_tlong", x);
}
/* oh gawd */
- if (xe > DP_MBITS) {
- xm <<= xe - DP_MBITS;
- } else if (xe < DP_MBITS) {
+ if (xe > DP_FBITS) {
+ xm <<= xe - DP_FBITS;
+ } else if (xe < DP_FBITS) {
u64 residue;
int round;
int sticky;
@@ -75,10 +75,10 @@ s64 ieee754dp_tlong(union ieee754dp x)
* so we do it in two steps. Be aware that xe
* may be -1 */
residue = xm << (xe + 1);
- residue <<= 63 - DP_MBITS;
+ residue <<= 63 - DP_FBITS;
round = (residue >> 63) != 0;
sticky = (residue << 1) != 0;
- xm >>= DP_MBITS - xe;
+ xm >>= DP_FBITS - xe;
}
odd = (xm & 0x1) != 0x0;
switch (ieee754_csr.rm) {
diff --git a/arch/mips/math-emu/ieee754dp.c b/arch/mips/math-emu/ieee754dp.c
index a8eb0142ca17..9be2d7836f81 100644
--- a/arch/mips/math-emu/ieee754dp.c
+++ b/arch/mips/math-emu/ieee754dp.c
@@ -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);
diff --git a/arch/mips/math-emu/ieee754dp.h b/arch/mips/math-emu/ieee754dp.h
index 1dc205880cba..f8f358a9072c 100644
--- a/arch/mips/math-emu/ieee754dp.h
+++ b/arch/mips/math-emu/ieee754dp.h
@@ -32,7 +32,7 @@
/* 3bit extended double precision sticky right shift */
#define XDPSRS(v,rs) \
- ((rs > (DP_MBITS+3))?1:((v) >> (rs)) | ((v) << (64-(rs)) != 0))
+ ((rs > (DP_FBITS+3))?1:((v) >> (rs)) | ((v) << (64-(rs)) != 0))
#define XDPSRSX1() \
(xe++, (xm = (xm >> 1) | (xm & 1)))
@@ -42,7 +42,7 @@
/* convert denormal to normalized with extended exponent */
#define DPDNORMx(m,e) \
- while ((m >> DP_MBITS) == 0) { m <<= 1; e--; }
+ while ((m >> DP_FBITS) == 0) { m <<= 1; e--; }
#define DPDNORMX DPDNORMx(xm, xe)
#define DPDNORMY DPDNORMx(ym, ye)
@@ -53,7 +53,7 @@ static inline union ieee754dp builddp(int s, int bx, u64 m)
assert((s) == 0 || (s) == 1);
assert((bx) >= DP_EMIN - 1 + DP_EBIAS
&& (bx) <= DP_EMAX + 1 + DP_EBIAS);
- assert(((m) >> DP_MBITS) == 0);
+ assert(((m) >> DP_FBITS) == 0);
r.parts.sign = s;
r.parts.bexp = bx;
diff --git a/arch/mips/math-emu/ieee754int.h b/arch/mips/math-emu/ieee754int.h
index 39c40d275825..543e8f0b5a97 100644
--- a/arch/mips/math-emu/ieee754int.h
+++ b/arch/mips/math-emu/ieee754int.h
@@ -31,19 +31,19 @@
#define DP_EBIAS 1023
#define DP_EMIN (-1022)
#define DP_EMAX 1023
-#define DP_MBITS 52
+#define DP_FBITS 52
#define SP_EBIAS 127
#define SP_EMIN (-126)
#define SP_EMAX 127
-#define SP_MBITS 23
+#define SP_FBITS 23
#define DP_MBIT(x) ((u64)1 << (x))
-#define DP_HIDDEN_BIT DP_MBIT(DP_MBITS)
+#define DP_HIDDEN_BIT DP_MBIT(DP_FBITS)
#define DP_SIGN_BIT DP_MBIT(63)
#define SP_MBIT(x) ((u32)1 << (x))
-#define SP_HIDDEN_BIT SP_MBIT(SP_MBITS)
+#define SP_HIDDEN_BIT SP_MBIT(SP_FBITS)
#define SP_SIGN_BIT SP_MBIT(31)
@@ -94,7 +94,7 @@ static inline int ieee754_tstx(void)
if (ve == SP_EMAX+1+SP_EBIAS) { \
if (vm == 0) \
vc = IEEE754_CLASS_INF; \
- else if (vm & SP_MBIT(SP_MBITS-1)) \
+ else if (vm & SP_MBIT(SP_FBITS-1)) \
vc = IEEE754_CLASS_SNAN; \
else \
vc = IEEE754_CLASS_QNAN; \
@@ -128,7 +128,7 @@ static inline int ieee754_tstx(void)
if (ve == DP_EMAX+1+DP_EBIAS) { \
if (vm == 0) \
vc = IEEE754_CLASS_INF; \
- else if (vm & DP_MBIT(DP_MBITS-1)) \
+ else if (vm & DP_MBIT(DP_FBITS-1)) \
vc = IEEE754_CLASS_SNAN; \
else \
vc = IEEE754_CLASS_QNAN; \
diff --git a/arch/mips/math-emu/ieee754sp.c b/arch/mips/math-emu/ieee754sp.c
index ed62ffeeb61e..5b435ec8ae25 100644
--- a/arch/mips/math-emu/ieee754sp.c
+++ b/arch/mips/math-emu/ieee754sp.c
@@ -43,7 +43,7 @@ int ieee754sp_isnan(union ieee754sp x)
int ieee754sp_issnan(union ieee754sp x)
{
assert(ieee754sp_isnan(x));
- return (SPMANT(x) & SP_MBIT(SP_MBITS-1));
+ return (SPMANT(x) & SP_MBIT(SP_FBITS-1));
}
@@ -74,7 +74,7 @@ union ieee754sp __cold ieee754sp_nanxcpt(union ieee754sp r, const char *op, ...)
if (!ieee754_setandtestcx(IEEE754_INVALID_OPERATION)) {
/* not enabled convert to a quiet NaN */
- SPMANT(r) &= (~SP_MBIT(SP_MBITS-1));
+ SPMANT(r) &= (~SP_MBIT(SP_FBITS-1));
if (ieee754sp_isnan(r))
return r;
else
@@ -137,7 +137,7 @@ union ieee754sp ieee754sp_format(int sn, int xe, unsigned xm)
{
assert(xm); /* we don't gen exact zeros (probably should) */
- assert((xm >> (SP_MBITS + 1 + 3)) == 0); /* no execess */
+ assert((xm >> (SP_FBITS + 1 + 3)) == 0); /* no execess */
assert(xm & (SP_HIDDEN_BIT << 3));
if (xe < SP_EMIN) {
@@ -166,7 +166,7 @@ union ieee754sp ieee754sp_format(int sn, int xe, unsigned xm)
}
if (xe == SP_EMIN - 1
- && get_rounding(sn, xm) >> (SP_MBITS + 1 + 3))
+ && get_rounding(sn, xm) >> (SP_FBITS + 1 + 3))
{
/* Not tiny after rounding */
ieee754_setcx(IEEE754_INEXACT);
@@ -194,7 +194,7 @@ union ieee754sp ieee754sp_format(int sn, int xe, unsigned xm)
xm = get_rounding(sn, xm);
/* adjust exponent for rounding add overflowing
*/
- if (xm >> (SP_MBITS + 1 + 3)) {
+ if (xm >> (SP_FBITS + 1 + 3)) {
/* add causes mantissa overflow */
xm >>= 1;
xe++;
@@ -203,7 +203,7 @@ union ieee754sp ieee754sp_format(int sn, int xe, unsigned xm)
/* strip grs bits */
xm >>= 3;
- assert((xm >> (SP_MBITS + 1)) == 0); /* no execess */
+ assert((xm >> (SP_FBITS + 1)) == 0); /* no execess */
assert(xe >= SP_EMIN);
if (xe > SP_EMAX) {
@@ -236,7 +236,7 @@ union ieee754sp ieee754sp_format(int sn, int xe, unsigned xm)
ieee754_setcx(IEEE754_UNDERFLOW);
return buildsp(sn, SP_EMIN - 1 + SP_EBIAS, xm);
} else {
- assert((xm >> (SP_MBITS + 1)) == 0); /* no execess */
+ assert((xm >> (SP_FBITS + 1)) == 0); /* no execess */
assert(xm & SP_HIDDEN_BIT);
return buildsp(sn, xe + SP_EBIAS, xm & ~SP_HIDDEN_BIT);
diff --git a/arch/mips/math-emu/ieee754sp.h b/arch/mips/math-emu/ieee754sp.h
index 011d034fd86e..075ea1891280 100644
--- a/arch/mips/math-emu/ieee754sp.h
+++ b/arch/mips/math-emu/ieee754sp.h
@@ -33,21 +33,21 @@
/* 3bit extended single precision sticky right shift */
#define SPXSRSXn(rs) \
(xe += rs, \
- xm = (rs > (SP_MBITS+3))?1:((xm) >> (rs)) | ((xm) << (32-(rs)) != 0))
+ xm = (rs > (SP_FBITS+3))?1:((xm) >> (rs)) | ((xm) << (32-(rs)) != 0))
#define SPXSRSX1() \
(xe++, (xm = (xm >> 1) | (xm & 1)))
#define SPXSRSYn(rs) \
(ye+=rs, \
- ym = (rs > (SP_MBITS+3))?1:((ym) >> (rs)) | ((ym) << (32-(rs)) != 0))
+ ym = (rs > (SP_FBITS+3))?1:((ym) >> (rs)) | ((ym) << (32-(rs)) != 0))
#define SPXSRSY1() \
(ye++, (ym = (ym >> 1) | (ym & 1)))
/* convert denormal to normalized with extended exponent */
#define SPDNORMx(m,e) \
- while ((m >> SP_MBITS) == 0) { m <<= 1; e--; }
+ while ((m >> SP_FBITS) == 0) { m <<= 1; e--; }
#define SPDNORMX SPDNORMx(xm, xe)
#define SPDNORMY SPDNORMx(ym, ye)
@@ -58,7 +58,7 @@ static inline union ieee754sp buildsp(int s, int bx, unsigned m)
assert((s) == 0 || (s) == 1);
assert((bx) >= SP_EMIN - 1 + SP_EBIAS
&& (bx) <= SP_EMAX + 1 + SP_EBIAS);
- assert(((m) >> SP_MBITS) == 0);
+ assert(((m) >> SP_FBITS) == 0);
r.parts.sign = s;
r.parts.bexp = bx;
diff --git a/arch/mips/math-emu/sp_add.c b/arch/mips/math-emu/sp_add.c
index e67f11af4acf..d107bce38bfd 100644
--- a/arch/mips/math-emu/sp_add.c
+++ b/arch/mips/math-emu/sp_add.c
@@ -148,7 +148,7 @@ union ieee754sp ieee754sp_add(union ieee754sp x, union ieee754sp y)
xe = xe;
xs = xs;
- if (xm >> (SP_MBITS + 1 + 3)) { /* carry out */
+ if (xm >> (SP_FBITS + 1 + 3)) { /* carry out */
SPXSRSX1();
}
} else {
@@ -166,7 +166,7 @@ union ieee754sp ieee754sp_add(union ieee754sp x, union ieee754sp y)
IEEE754_RD);
/* normalize in extended single precision */
- while ((xm >> (SP_MBITS + 3)) == 0) {
+ while ((xm >> (SP_FBITS + 3)) == 0) {
xm <<= 1;
xe--;
}
diff --git a/arch/mips/math-emu/sp_div.c b/arch/mips/math-emu/sp_div.c
index 4caac973e2a6..095fb20262a9 100644
--- a/arch/mips/math-emu/sp_div.c
+++ b/arch/mips/math-emu/sp_div.c
@@ -129,7 +129,7 @@ union ieee754sp ieee754sp_div(union ieee754sp x, union ieee754sp y)
int re = xe - ye;
unsigned bm;
- for (bm = SP_MBIT(SP_MBITS + 2); bm; bm >>= 1) {
+ for (bm = SP_MBIT(SP_FBITS + 2); bm; bm >>= 1) {
if (xm >= ym) {
xm -= ym;
rm |= bm;
@@ -146,7 +146,7 @@ union ieee754sp ieee754sp_div(union ieee754sp x, union ieee754sp y)
/* normalise rm to rounding precision ?
*/
- while ((rm >> (SP_MBITS + 3)) == 0) {
+ while ((rm >> (SP_FBITS + 3)) == 0) {
rm <<= 1;
re--;
}
diff --git a/arch/mips/math-emu/sp_fdp.c b/arch/mips/math-emu/sp_fdp.c
index 569878d7cb98..c22ffcac2651 100644
--- a/arch/mips/math-emu/sp_fdp.c
+++ b/arch/mips/math-emu/sp_fdp.c
@@ -43,7 +43,7 @@ union ieee754sp ieee754sp_fdp(union ieee754dp x)
return ieee754sp_nanxcpt(ieee754sp_indef(), "fdp");
case IEEE754_CLASS_QNAN:
nan = buildsp(xs, SP_EMAX + 1 + SP_EBIAS, (u32)
- (xm >> (DP_MBITS - SP_MBITS)));
+ (xm >> (DP_FBITS - SP_FBITS)));
if (!ieee754sp_isnan(nan))
nan = ieee754sp_indef();
return ieee754sp_nanxcpt(nan, "fdp", x);
@@ -66,10 +66,10 @@ union ieee754sp ieee754sp_fdp(union ieee754dp x)
{
u32 rm;
- /* convert from DP_MBITS to SP_MBITS+3 with sticky right shift
+ /* convert from DP_FBITS to SP_FBITS+3 with sticky right shift
*/
- rm = (xm >> (DP_MBITS - (SP_MBITS + 3))) |
- ((xm << (64 - (DP_MBITS - (SP_MBITS + 3)))) != 0);
+ rm = (xm >> (DP_FBITS - (SP_FBITS + 3))) |
+ ((xm << (64 - (DP_FBITS - (SP_FBITS + 3)))) != 0);
SPNORMRET1(xs, xe, rm, "fdp", x);
}
diff --git a/arch/mips/math-emu/sp_fint.c b/arch/mips/math-emu/sp_fint.c
index 74619e73796c..9574d25f6122 100644
--- a/arch/mips/math-emu/sp_fint.c
+++ b/arch/mips/math-emu/sp_fint.c
@@ -50,18 +50,18 @@ union ieee754sp ieee754sp_fint(int x)
} else {
xm = x;
}
- xe = SP_MBITS + 3;
+ xe = SP_FBITS + 3;
- if (xm >> (SP_MBITS + 1 + 3)) {
+ if (xm >> (SP_FBITS + 1 + 3)) {
/* shunt out overflow bits
*/
- while (xm >> (SP_MBITS + 1 + 3)) {
+ while (xm >> (SP_FBITS + 1 + 3)) {
SPXSRSX1();
}
} else {
/* normalize in grs extended single precision
*/
- while ((xm >> (SP_MBITS + 3)) == 0) {
+ while ((xm >> (SP_FBITS + 3)) == 0) {
xm <<= 1;
xe--;
}
diff --git a/arch/mips/math-emu/sp_flong.c b/arch/mips/math-emu/sp_flong.c
index ea065ae14766..65c7e7e67b60 100644
--- a/arch/mips/math-emu/sp_flong.c
+++ b/arch/mips/math-emu/sp_flong.c
@@ -50,17 +50,17 @@ union ieee754sp ieee754sp_flong(s64 x)
} else {
xm = x;
}
- xe = SP_MBITS + 3;
+ xe = SP_FBITS + 3;
- if (xm >> (SP_MBITS + 1 + 3)) {
+ if (xm >> (SP_FBITS + 1 + 3)) {
/* shunt out overflow bits
*/
- while (xm >> (SP_MBITS + 1 + 3)) {
+ while (xm >> (SP_FBITS + 1 + 3)) {
SPXSRSX1();
}
} else {
/* normalize in grs extended single precision */
- while ((xm >> (SP_MBITS + 3)) == 0) {
+ while ((xm >> (SP_FBITS + 3)) == 0) {
xm <<= 1;
xe--;
}
diff --git a/arch/mips/math-emu/sp_modf.c b/arch/mips/math-emu/sp_modf.c
index 22f19a22ab02..5f361a7a10b6 100644
--- a/arch/mips/math-emu/sp_modf.c
+++ b/arch/mips/math-emu/sp_modf.c
@@ -54,24 +54,24 @@ union ieee754sp ieee754sp_modf(union ieee754sp x, union ieee754sp *ip)
*ip = ieee754sp_zero(xs);
return x;
}
- if (xe >= SP_MBITS) {
+ if (xe >= SP_FBITS) {
*ip = x;
return ieee754sp_zero(xs);
}
/* generate ipart mantissa by clearing bottom bits
*/
*ip = buildsp(xs, xe + SP_EBIAS,
- ((xm >> (SP_MBITS - xe)) << (SP_MBITS - xe)) &
+ ((xm >> (SP_FBITS - xe)) << (SP_FBITS - xe)) &
~SP_HIDDEN_BIT);
/* generate fpart mantissa by clearing top bits
* and normalizing (must be able to normalize)
*/
- xm = (xm << (32 - (SP_MBITS - xe))) >> (32 - (SP_MBITS - xe));
+ xm = (xm << (32 - (SP_FBITS - xe))) >> (32 - (SP_FBITS - xe));
if (xm == 0)
return ieee754sp_zero(xs);
- while ((xm >> SP_MBITS) == 0) {
+ while ((xm >> SP_FBITS) == 0) {
xm <<= 1;
xe--;
}
diff --git a/arch/mips/math-emu/sp_mul.c b/arch/mips/math-emu/sp_mul.c
index 844b3bde0ab6..28f608f25499 100644
--- a/arch/mips/math-emu/sp_mul.c
+++ b/arch/mips/math-emu/sp_mul.c
@@ -114,8 +114,8 @@ union ieee754sp ieee754sp_mul(union ieee754sp x, union ieee754sp y)
unsigned rm;
/* shunt to top of word */
- xm <<= 32 - (SP_MBITS + 1);
- ym <<= 32 - (SP_MBITS + 1);
+ xm <<= 32 - (SP_FBITS + 1);
+ ym <<= 32 - (SP_FBITS + 1);
/* multiply 32bits xm,ym to give high 32bits rm with stickness
*/
@@ -156,12 +156,12 @@ union ieee754sp ieee754sp_mul(union ieee754sp x, union ieee754sp y)
* sticky shift down to normal rounding precision
*/
if ((int) rm < 0) {
- rm = (rm >> (32 - (SP_MBITS + 1 + 3))) |
- ((rm << (SP_MBITS + 1 + 3)) != 0);
+ rm = (rm >> (32 - (SP_FBITS + 1 + 3))) |
+ ((rm << (SP_FBITS + 1 + 3)) != 0);
re++;
} else {
- rm = (rm >> (32 - (SP_MBITS + 1 + 3 + 1))) |
- ((rm << (SP_MBITS + 1 + 3 + 1)) != 0);
+ rm = (rm >> (32 - (SP_FBITS + 1 + 3 + 1))) |
+ ((rm << (SP_FBITS + 1 + 3 + 1)) != 0);
}
assert(rm & (SP_HIDDEN_BIT << 3));
diff --git a/arch/mips/math-emu/sp_sub.c b/arch/mips/math-emu/sp_sub.c
index 7e45ba3c2a38..1131065d0178 100644
--- a/arch/mips/math-emu/sp_sub.c
+++ b/arch/mips/math-emu/sp_sub.c
@@ -153,7 +153,7 @@ union ieee754sp ieee754sp_sub(union ieee754sp x, union ieee754sp y)
xe = xe;
xs = xs;
- if (xm >> (SP_MBITS + 1 + 3)) { /* carry out */
+ if (xm >> (SP_FBITS + 1 + 3)) { /* carry out */
SPXSRSX1(); /* shift preserving sticky */
}
} else {
@@ -174,7 +174,7 @@ union ieee754sp ieee754sp_sub(union ieee754sp x, union ieee754sp y)
}
/* normalize to rounding precision
*/
- while ((xm >> (SP_MBITS + 3)) == 0) {
+ while ((xm >> (SP_FBITS + 3)) == 0) {
xm <<= 1;
xe--;
}
diff --git a/arch/mips/math-emu/sp_tint.c b/arch/mips/math-emu/sp_tint.c
index febcf5cc4fbc..709f6bcd490b 100644
--- a/arch/mips/math-emu/sp_tint.c
+++ b/arch/mips/math-emu/sp_tint.c
@@ -57,8 +57,8 @@ int ieee754sp_tint(union ieee754sp x)
return ieee754si_xcpt(ieee754si_indef(), "sp_tint", x);
}
/* oh gawd */
- if (xe > SP_MBITS) {
- xm <<= xe - SP_MBITS;
+ if (xe > SP_FBITS) {
+ xm <<= xe - SP_FBITS;
} else {
u32 residue;
int round;
@@ -75,10 +75,10 @@ int ieee754sp_tint(union ieee754sp x)
* so we do it in two steps. Be aware that xe
* may be -1 */
residue = xm << (xe + 1);
- residue <<= 31 - SP_MBITS;
+ residue <<= 31 - SP_FBITS;
round = (residue >> 31) != 0;
sticky = (residue << 1) != 0;
- xm >>= SP_MBITS - xe;
+ xm >>= SP_FBITS - xe;
}
odd = (xm & 0x1) != 0x0;
switch (ieee754_csr.rm) {
diff --git a/arch/mips/math-emu/sp_tlong.c b/arch/mips/math-emu/sp_tlong.c
index a05d09318fb1..155491f85d7f 100644
--- a/arch/mips/math-emu/sp_tlong.c
+++ b/arch/mips/math-emu/sp_tlong.c
@@ -57,9 +57,9 @@ s64 ieee754sp_tlong(union ieee754sp x)
return ieee754di_xcpt(ieee754di_indef(), "sp_tlong", x);
}
/* oh gawd */
- if (xe > SP_MBITS) {
- xm <<= xe - SP_MBITS;
- } else if (xe < SP_MBITS) {
+ if (xe > SP_FBITS) {
+ xm <<= xe - SP_FBITS;
+ } else if (xe < SP_FBITS) {
u32 residue;
int round;
int sticky;
@@ -71,10 +71,10 @@ s64 ieee754sp_tlong(union ieee754sp x)
sticky = residue != 0;
xm = 0;
} else {
- residue = xm << (32 - SP_MBITS + xe);
+ residue = xm << (32 - SP_FBITS + xe);
round = (residue >> 31) != 0;
sticky = (residue << 1) != 0;
- xm >>= SP_MBITS - xe;
+ xm >>= SP_FBITS - xe;
}
odd = (xm & 0x1) != 0x0;
switch (ieee754_csr.rm) {