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Code

MIPS: math-emu: Turn macros into functions where possible.

Browse Source 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2014-04-19 00:36:32 +02:00
parent bee1653593
commit 9e8bad1f9c
39 changed files with 143 additions and 131 deletions
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6
arch/mips/math-emu/dp_add.c
View File

@ -35,7 +35,7 @@ union ieee754dp ieee754dp_add(union ieee754dp x, union ieee754dp y)
EXPLODEXDP;
EXPLODEYDP;
CLEARCX;
ieee754_clearcx();
FLUSHXDP;
FLUSHYDP;
@ -52,7 +52,7 @@ union ieee754dp ieee754dp_add(union ieee754dp x, union ieee754dp y)
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_NORM):
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_DNORM):
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF):
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754dp_nanxcpt(ieee754dp_indef(), "add", x, y);
case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN):
@ -75,7 +75,7 @@ union ieee754dp ieee754dp_add(union ieee754dp x, union ieee754dp y)
case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_INF):
if (xs == ys)
return x;
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754dp_xcpt(ieee754dp_indef(), "add", x, y);
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_INF):

6
arch/mips/math-emu/dp_cmp.c
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@ -35,15 +35,15 @@ int ieee754dp_cmp(union ieee754dp x, union ieee754dp y, int cmp, int sig)
EXPLODEYDP;
FLUSHXDP;
FLUSHYDP;
CLEARCX; /* Even clear inexact flag here */
ieee754_clearcx(); /* Even clear inexact flag here */
if (ieee754dp_isnan(x) || ieee754dp_isnan(y)) {
if (sig || xc == IEEE754_CLASS_SNAN || yc == IEEE754_CLASS_SNAN)
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
if (cmp & IEEE754_CUN)
return 1;
if (cmp & (IEEE754_CLT | IEEE754_CGT)) {
if (sig && SETANDTESTCX(IEEE754_INVALID_OPERATION))
if (sig && ieee754_setandtestcx(IEEE754_INVALID_OPERATION))
return ieee754si_xcpt(0, "fcmpf", x);
}
return 0;

10
arch/mips/math-emu/dp_div.c
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@ -34,7 +34,7 @@ union ieee754dp ieee754dp_div(union ieee754dp x, union ieee754dp y)
EXPLODEXDP;
EXPLODEYDP;
CLEARCX;
ieee754_clearcx();
FLUSHXDP;
FLUSHYDP;
@ -51,7 +51,7 @@ union ieee754dp ieee754dp_div(union ieee754dp x, union ieee754dp y)
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_NORM):
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_DNORM):
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF):
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754dp_nanxcpt(ieee754dp_indef(), "div", x, y);
case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN):
@ -72,7 +72,7 @@ union ieee754dp ieee754dp_div(union ieee754dp x, union ieee754dp y)
*/
case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_INF):
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754dp_xcpt(ieee754dp_indef(), "div", x, y);
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_INF):
@ -89,12 +89,12 @@ union ieee754dp ieee754dp_div(union ieee754dp x, union ieee754dp y)
*/
case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_ZERO):
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754dp_xcpt(ieee754dp_indef(), "div", x, y);
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_ZERO):
case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_ZERO):
SETCX(IEEE754_ZERO_DIVIDE);
ieee754_setcx(IEEE754_ZERO_DIVIDE);
return ieee754dp_xcpt(ieee754dp_inf(xs ^ ys), "div", x, y);
case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_NORM):

2
arch/mips/math-emu/dp_fint.c
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@ -32,7 +32,7 @@ union ieee754dp ieee754dp_fint(int x)
int xe;
int xs;
CLEARCX;
ieee754_clearcx();
if (x == 0)
return ieee754dp_zero(0);

2
arch/mips/math-emu/dp_flong.c
View File

@ -32,7 +32,7 @@ union ieee754dp ieee754dp_flong(s64 x)
int xe;
int xs;
CLEARCX;
ieee754_clearcx();
if (x == 0)
return ieee754dp_zero(0);

2
arch/mips/math-emu/dp_frexp.c
View File

@ -31,7 +31,7 @@
union ieee754dp ieee754dp_frexp(union ieee754dp x, int *eptr)
{
COMPXDP;
CLEARCX;
ieee754_clearcx();
EXPLODEXDP;
switch (xc) {

4
arch/mips/math-emu/dp_fsp.c
View File

@ -32,13 +32,13 @@ union ieee754dp ieee754dp_fsp(union ieee754sp x)
EXPLODEXSP;
CLEARCX;
ieee754_clearcx();
FLUSHXSP;
switch (xc) {
case IEEE754_CLASS_SNAN:
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754dp_nanxcpt(ieee754dp_indef(), "fsp");
case IEEE754_CLASS_QNAN:
return ieee754dp_nanxcpt(builddp(xs,

2
arch/mips/math-emu/dp_logb.c
View File

@ -30,7 +30,7 @@ union ieee754dp ieee754dp_logb(union ieee754dp x)
{
COMPXDP;
CLEARCX;
ieee754_clearcx();
EXPLODEXDP;

2
arch/mips/math-emu/dp_modf.c
View File

@ -32,7 +32,7 @@ union ieee754dp ieee754dp_modf(union ieee754dp x, union ieee754dp *ip)
{
COMPXDP;
CLEARCX;
ieee754_clearcx();
EXPLODEXDP;

6
arch/mips/math-emu/dp_mul.c
View File

@ -34,7 +34,7 @@ union ieee754dp ieee754dp_mul(union ieee754dp x, union ieee754dp y)
EXPLODEXDP;
EXPLODEYDP;
CLEARCX;
ieee754_clearcx();
FLUSHXDP;
FLUSHYDP;
@ -51,7 +51,7 @@ union ieee754dp ieee754dp_mul(union ieee754dp x, union ieee754dp y)
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_NORM):
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_DNORM):
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF):
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754dp_nanxcpt(ieee754dp_indef(), "mul", x, y);
case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN):
@ -72,7 +72,7 @@ union ieee754dp ieee754dp_mul(union ieee754dp x, union ieee754dp y)
case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_ZERO):
case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_INF):
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754dp_xcpt(ieee754dp_indef(), "mul", x, y);
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_INF):

2
arch/mips/math-emu/dp_scalb.c
View File

@ -30,7 +30,7 @@ union ieee754dp ieee754dp_scalb(union ieee754dp x, int n)
{
COMPXDP;
CLEARCX;
ieee754_clearcx();
EXPLODEXDP;

10
arch/mips/math-emu/dp_simple.c
View File

@ -33,7 +33,7 @@ int ieee754dp_finite(union ieee754dp x)
union ieee754dp ieee754dp_copysign(union ieee754dp x, union ieee754dp y)
{
CLEARCX;
ieee754_clearcx();
DPSIGN(x) = DPSIGN(y);
return x;
}
@ -44,7 +44,7 @@ union ieee754dp ieee754dp_neg(union ieee754dp x)
COMPXDP;
EXPLODEXDP;
CLEARCX;
ieee754_clearcx();
FLUSHXDP;
/*
@ -56,7 +56,7 @@ union ieee754dp ieee754dp_neg(union ieee754dp x)
if (xc == IEEE754_CLASS_SNAN) {
union ieee754dp y = ieee754dp_indef();
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
DPSIGN(y) = DPSIGN(x);
return ieee754dp_nanxcpt(y, "neg");
}
@ -70,14 +70,14 @@ union ieee754dp ieee754dp_abs(union ieee754dp x)
COMPXDP;
EXPLODEXDP;
CLEARCX;
ieee754_clearcx();
FLUSHXDP;
/* Clear sign ALWAYS, irrespective of NaN */
DPSIGN(x) = 0;
if (xc == IEEE754_CLASS_SNAN) {
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754dp_nanxcpt(ieee754dp_indef(), "abs");
}

8
arch/mips/math-emu/dp_sqrt.c
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@ -42,7 +42,7 @@ union ieee754dp ieee754dp_sqrt(union ieee754dp x)
COMPXDP;
EXPLODEXDP;
CLEARCX;
ieee754_clearcx();
FLUSHXDP;
/* x == INF or NAN? */
@ -51,7 +51,7 @@ union ieee754dp ieee754dp_sqrt(union ieee754dp x)
/* sqrt(Nan) = Nan */
return ieee754dp_nanxcpt(x, "sqrt");
case IEEE754_CLASS_SNAN:
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754dp_nanxcpt(ieee754dp_indef(), "sqrt");
case IEEE754_CLASS_ZERO:
/* sqrt(0) = 0 */
@ -59,7 +59,7 @@ union ieee754dp ieee754dp_sqrt(union ieee754dp x)
case IEEE754_CLASS_INF:
if (xs) {
/* sqrt(-Inf) = Nan */
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754dp_nanxcpt(ieee754dp_indef(), "sqrt");
}
/* sqrt(+Inf) = Inf */
@ -70,7 +70,7 @@ union ieee754dp ieee754dp_sqrt(union ieee754dp x)
case IEEE754_CLASS_NORM:
if (xs) {
/* sqrt(-x) = Nan */
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754dp_nanxcpt(ieee754dp_indef(), "sqrt");
}
break;

6
arch/mips/math-emu/dp_sub.c
View File

@ -34,7 +34,7 @@ union ieee754dp ieee754dp_sub(union ieee754dp x, union ieee754dp y)
EXPLODEXDP;
EXPLODEYDP;
CLEARCX;
ieee754_clearcx();
FLUSHXDP;
FLUSHYDP;
@ -51,7 +51,7 @@ union ieee754dp ieee754dp_sub(union ieee754dp x, union ieee754dp y)
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_NORM):
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_DNORM):
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF):
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754dp_nanxcpt(ieee754dp_indef(), "sub", x, y);
case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN):
@ -74,7 +74,7 @@ union ieee754dp ieee754dp_sub(union ieee754dp x, union ieee754dp y)
case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_INF):
if (xs != ys)
return x;
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754dp_xcpt(ieee754dp_indef(), "sub", x, y);
case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_INF):

10
arch/mips/math-emu/dp_tint.c
View File

@ -30,7 +30,7 @@ int ieee754dp_tint(union ieee754dp x)
{
COMPXDP;
CLEARCX;
ieee754_clearcx();
EXPLODEXDP;
FLUSHXDP;
@ -39,7 +39,7 @@ int ieee754dp_tint(union ieee754dp x)
case IEEE754_CLASS_SNAN:
case IEEE754_CLASS_QNAN:
case IEEE754_CLASS_INF:
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754si_xcpt(ieee754si_indef(), "dp_tint", x);
case IEEE754_CLASS_ZERO:
return 0;
@ -50,7 +50,7 @@ int ieee754dp_tint(union ieee754dp x)
if (xe > 31) {
/* Set invalid. We will only use overflow for floating
point overflow */
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754si_xcpt(ieee754si_indef(), "dp_tint", x);
}
/* oh gawd */
@ -95,11 +95,11 @@ int ieee754dp_tint(union ieee754dp x)
/* look for valid corner case 0x80000000 */
if ((xm >> 31) != 0 && (xs == 0 || xm != 0x80000000)) {
/* This can happen after rounding */
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754si_xcpt(ieee754si_indef(), "dp_tint", x);
}
if (round || sticky)
SETCX(IEEE754_INEXACT);
ieee754_setcx(IEEE754_INEXACT);
}
if (xs)
return -xm;

10
arch/mips/math-emu/dp_tlong.c
View File

@ -30,7 +30,7 @@ s64 ieee754dp_tlong(union ieee754dp x)
{
COMPXDP;
CLEARCX;
ieee754_clearcx();
EXPLODEXDP;
FLUSHXDP;
@ -39,7 +39,7 @@ s64 ieee754dp_tlong(union ieee754dp x)
case IEEE754_CLASS_SNAN:
case IEEE754_CLASS_QNAN:
case IEEE754_CLASS_INF:
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754di_xcpt(ieee754di_indef(), "dp_tlong", x);
case IEEE754_CLASS_ZERO:
return 0;
@ -53,7 +53,7 @@ s64 ieee754dp_tlong(union ieee754dp x)
return -0x8000000000000000LL;
/* Set invalid. We will only use overflow for floating
point overflow */
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754di_xcpt(ieee754di_indef(), "dp_tlong", x);
}
/* oh gawd */
@ -99,11 +99,11 @@ s64 ieee754dp_tlong(union ieee754dp x)
}
if ((xm >> 63) != 0) {
/* This can happen after rounding */
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754di_xcpt(ieee754di_indef(), "dp_tlong", x);
}
if (round || sticky)
SETCX(IEEE754_INEXACT);
ieee754_setcx(IEEE754_INEXACT);
}
if (xs)
return -xm;

4
arch/mips/math-emu/ieee754.c
View File

@ -101,7 +101,7 @@ int __cold ieee754si_xcpt(int r, const char *op, ...)
{
struct ieee754xctx ax;
if (!TSTX())
if (!ieee754_tstx())
return r;
ax.op = op;
ax.rt = IEEE754_RT_SI;
@ -116,7 +116,7 @@ s64 __cold ieee754di_xcpt(s64 r, const char *op, ...)
{
struct ieee754xctx ax;
if (!TSTX())
if (!ieee754_tstx())
return r;
ax.op = op;
ax.rt = IEEE754_RT_DI;

14
arch/mips/math-emu/ieee754.h
View File

@ -170,12 +170,14 @@ union ieee754dp ieee754dp_sqrt(union ieee754dp x);
/* 5 types of floating point number
*/
#define IEEE754_CLASS_NORM 0x00
#define IEEE754_CLASS_ZERO 0x01
#define IEEE754_CLASS_DNORM 0x02
#define IEEE754_CLASS_INF 0x03
#define IEEE754_CLASS_SNAN 0x04
#define IEEE754_CLASS_QNAN 0x05
enum {
IEEE754_CLASS_NORM = 0x00,
IEEE754_CLASS_ZERO = 0x01,
IEEE754_CLASS_DNORM = 0x02,
IEEE754_CLASS_INF = 0x03,
IEEE754_CLASS_SNAN = 0x04,
IEEE754_CLASS_QNAN = 0x05,
};
/* exception numbers */
#define IEEE754_INEXACT 0x01

20
arch/mips/math-emu/ieee754dp.c
View File

@ -49,7 +49,7 @@ int ieee754dp_issnan(union ieee754dp x)
union ieee754dp __cold ieee754dp_xcpt(union ieee754dp r, const char *op, ...)
{
struct ieee754xctx ax;
if (!TSTX())
if (!ieee754_tstx())
return r;
ax.op = op;
@ -70,7 +70,7 @@ union ieee754dp __cold ieee754dp_nanxcpt(union ieee754dp r, const char *op, ...)
if (!ieee754dp_issnan(r)) /* QNAN does not cause invalid op !! */
return r;
if (!SETANDTESTCX(IEEE754_INVALID_OPERATION)) {
if (!ieee754_setandtestcx(IEEE754_INVALID_OPERATION)) {
/* not enabled convert to a quiet NaN */
DPMANT(r) &= (~DP_MBIT(DP_MBITS-1));
if (ieee754dp_isnan(r))
@ -143,8 +143,8 @@ union ieee754dp ieee754dp_format(int sn, int xe, u64 xm)
int es = DP_EMIN - xe;
if (ieee754_csr.nod) {
SETCX(IEEE754_UNDERFLOW);
SETCX(IEEE754_INEXACT);
ieee754_setcx(IEEE754_UNDERFLOW);
ieee754_setcx(IEEE754_INEXACT);
switch(ieee754_csr.rm) {
case IEEE754_RN:
@ -167,7 +167,7 @@ union ieee754dp ieee754dp_format(int sn, int xe, u64 xm)
&& get_rounding(sn, xm) >> (DP_MBITS + 1 + 3))
{
/* Not tiny after rounding */
SETCX(IEEE754_INEXACT);
ieee754_setcx(IEEE754_INEXACT);
xm = get_rounding(sn, xm);
xm >>= 1;
/* Clear grs bits */
@ -184,9 +184,9 @@ union ieee754dp ieee754dp_format(int sn, int xe, u64 xm)
}
}
if (xm & (DP_MBIT(3) - 1)) {
SETCX(IEEE754_INEXACT);
ieee754_setcx(IEEE754_INEXACT);
if ((xm & (DP_HIDDEN_BIT << 3)) == 0) {
SETCX(IEEE754_UNDERFLOW);
ieee754_setcx(IEEE754_UNDERFLOW);
}
/* inexact must round of 3 bits
@ -207,8 +207,8 @@ union ieee754dp ieee754dp_format(int sn, int xe, u64 xm)
assert(xe >= DP_EMIN);
if (xe > DP_EMAX) {
SETCX(IEEE754_OVERFLOW);
SETCX(IEEE754_INEXACT);
ieee754_setcx(IEEE754_OVERFLOW);
ieee754_setcx(IEEE754_INEXACT);
/* -O can be table indexed by (rm,sn) */
switch (ieee754_csr.rm) {
case IEEE754_RN:
@ -233,7 +233,7 @@ union ieee754dp ieee754dp_format(int sn, int xe, u64 xm)
/* we underflow (tiny/zero) */
assert(xe == DP_EMIN);
if (ieee754_csr.mx & IEEE754_UNDERFLOW)
SETCX(IEEE754_UNDERFLOW);
ieee754_setcx(IEEE754_UNDERFLOW);
return builddp(sn, DP_EMIN - 1 + DP_EBIAS, xm);
} else {
assert((xm >> (DP_MBITS + 1)) == 0); /* no execess */

2
arch/mips/math-emu/ieee754dp.h
View File

@ -74,7 +74,7 @@ extern union ieee754dp ieee754dp_format(int, int, u64);
#define DPNORMRET2(s, e, m, name, a0, a1) \
{ \
union ieee754dp V = ieee754dp_format(s, e, m); \
if (TSTX()) \
if (ieee754_tstx()) \
return ieee754dp_xcpt(V, name, a0, a1); \
else \
return V; \

30
arch/mips/math-emu/ieee754int.h
View File

@ -57,18 +57,28 @@
#define CLPAIR(x, y) ((x)*6+(y))
#define CLEARCX \
(ieee754_csr.cx = 0)
static inline void ieee754_clearcx(void)
{
ieee754_csr.cx = 0;
}
#define SETCX(x) \
(ieee754_csr.cx |= (x), ieee754_csr.sx |= (x))
static inline void ieee754_setcx(const unsigned int flags)
{
ieee754_csr.cx |= flags;
ieee754_csr.sx |= flags;
}
#define SETANDTESTCX(x) \
(SETCX(x), ieee754_csr.mx & (x))
static inline int ieee754_setandtestcx(const unsigned int x)
{
ieee754_setcx(x);
#define TSTX() \
(ieee754_csr.cx & ieee754_csr.mx)
return ieee754_csr.mx & x;
}
static inline int ieee754_tstx(void)
{
return ieee754_csr.cx & ieee754_csr.mx;
}
#define COMPXSP \
unsigned xm; int xe; int xs __maybe_unused; int xc
@ -140,7 +150,7 @@
#define FLUSHDP(v, vc, vs, ve, vm) \
if (vc==IEEE754_CLASS_DNORM) { \
if (ieee754_csr.nod) { \
SETCX(IEEE754_INEXACT); \
ieee754_setcx(IEEE754_INEXACT); \
vc = IEEE754_CLASS_ZERO; \
ve = DP_EMIN-1+DP_EBIAS; \
vm = 0; \
@ -151,7 +161,7 @@
#define FLUSHSP(v, vc, vs, ve, vm) \
if (vc==IEEE754_CLASS_DNORM) { \
if (ieee754_csr.nod) { \
SETCX(IEEE754_INEXACT); \
ieee754_setcx(IEEE754_INEXACT); \
vc = IEEE754_CLASS_ZERO; \
ve = SP_EMIN-1+SP_EBIAS; \
vm = 0; \

20
arch/mips/math-emu/ieee754sp.c
View File

@ -50,7 +50,7 @@ union ieee754sp __cold ieee754sp_xcpt(union ieee754sp r, const char *op, ...)
{
struct ieee754xctx ax;
if (!TSTX())
if (!ieee754_tstx())
return r;
ax.op = op;
@ -71,7 +71,7 @@ union ieee754sp __cold ieee754sp_nanxcpt(union ieee754sp r, const char *op, ...)
if (!ieee754sp_issnan(r)) /* QNAN does not cause invalid op !! */
return r;
if (!SETANDTESTCX(IEEE754_INVALID_OPERATION)) {
if (!ieee754_setandtestcx(IEEE754_INVALID_OPERATION)) {
/* not enabled convert to a quiet NaN */
SPMANT(r) &= (~SP_MBIT(SP_MBITS-1));
if (ieee754sp_isnan(r))
@ -144,8 +144,8 @@ union ieee754sp ieee754sp_format(int sn, int xe, unsigned xm)
int es = SP_EMIN - xe;
if (ieee754_csr.nod) {
SETCX(IEEE754_UNDERFLOW);
SETCX(IEEE754_INEXACT);
ieee754_setcx(IEEE754_UNDERFLOW);
ieee754_setcx(IEEE754_INEXACT);
switch(ieee754_csr.rm) {
case IEEE754_RN:
@ -168,7 +168,7 @@ union ieee754sp ieee754sp_format(int sn, int xe, unsigned xm)
&& get_rounding(sn, xm) >> (SP_MBITS + 1 + 3))
{
/* Not tiny after rounding */
SETCX(IEEE754_INEXACT);
ieee754_setcx(IEEE754_INEXACT);
xm = get_rounding(sn, xm);
xm >>= 1;
/* Clear grs bits */
@ -183,9 +183,9 @@ union ieee754sp ieee754sp_format(int sn, int xe, unsigned xm)
}
}
if (xm & (SP_MBIT(3) - 1)) {
SETCX(IEEE754_INEXACT);
ieee754_setcx(IEEE754_INEXACT);
if ((xm & (SP_HIDDEN_BIT << 3)) == 0) {
SETCX(IEEE754_UNDERFLOW);
ieee754_setcx(IEEE754_UNDERFLOW);
}
/* inexact must round of 3 bits
@ -206,8 +206,8 @@ union ieee754sp ieee754sp_format(int sn, int xe, unsigned xm)
assert(xe >= SP_EMIN);
if (xe > SP_EMAX) {
SETCX(IEEE754_OVERFLOW);
SETCX(IEEE754_INEXACT);
ieee754_setcx(IEEE754_OVERFLOW);
ieee754_setcx(IEEE754_INEXACT);
/* -O can be table indexed by (rm,sn) */
switch (ieee754_csr.rm) {
case IEEE754_RN:
@ -232,7 +232,7 @@ union ieee754sp ieee754sp_format(int sn, int xe, unsigned xm)
/* we underflow (tiny/zero) */
assert(xe == SP_EMIN);
if (ieee754_csr.mx & IEEE754_UNDERFLOW)
SETCX(IEEE754_UNDERFLOW);
ieee754_setcx(IEEE754_UNDERFLOW);
return buildsp(sn, SP_EMIN - 1 + SP_EBIAS, xm);
} else {
assert((xm >> (SP_MBITS + 1)) == 0); /* no execess */

2
arch/mips/math-emu/ieee754sp.h
View File

@ -81,7 +81,7 @@ extern union ieee754sp ieee754sp_format(int, int, unsigned);
{ \
union ieee754sp V = ieee754sp_format(s, e, m); \
\
if (TSTX()) \
if (ieee754_tstx()) \
return ieee754sp_xcpt(V, name, a0, a1); \
else \
return V; \

6
arch/mips/math-emu/sp_add.c
View File

@ -34,7 +34,7 @@ union ieee754sp ieee754sp_add(union ieee754sp x, union ieee754sp y)
EXPLODEXSP;
EXPLODEYSP;
CLEARCX;
ieee754_clearcx();
FLUSHXSP;
FLUSHYSP;
@ -51,7 +51,7 @@ union ieee754sp ieee754sp_add(union ieee754sp x, union ieee754sp y)
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_NORM):
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_DNORM):
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF):
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754sp_nanxcpt(ieee754sp_indef(), "add", x, y);
case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN):
@ -74,7 +74,7 @@ union ieee754sp ieee754sp_add(union ieee754sp x, union ieee754sp y)
case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_INF):
if (xs == ys)
return x;
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754sp_xcpt(ieee754sp_indef(), "add", x, y);
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_INF):

6
arch/mips/math-emu/sp_cmp.c
View File

@ -35,15 +35,15 @@ int ieee754sp_cmp(union ieee754sp x, union ieee754sp y, int cmp, int sig)
EXPLODEYSP;
FLUSHXSP;
FLUSHYSP;
CLEARCX; /* Even clear inexact flag here */
ieee754_clearcx(); /* Even clear inexact flag here */
if (ieee754sp_isnan(x) || ieee754sp_isnan(y)) {
if (sig || xc == IEEE754_CLASS_SNAN || yc == IEEE754_CLASS_SNAN)
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
if (cmp & IEEE754_CUN)
return 1;
if (cmp & (IEEE754_CLT | IEEE754_CGT)) {
if (sig && SETANDTESTCX(IEEE754_INVALID_OPERATION))
if (sig && ieee754_setandtestcx(IEEE754_INVALID_OPERATION))
return ieee754si_xcpt(0, "fcmpf", x);
}
return 0;

10
arch/mips/math-emu/sp_div.c
View File

@ -34,7 +34,7 @@ union ieee754sp ieee754sp_div(union ieee754sp x, union ieee754sp y)
EXPLODEXSP;
EXPLODEYSP;
CLEARCX;
ieee754_clearcx();
FLUSHXSP;
FLUSHYSP;
@ -51,7 +51,7 @@ union ieee754sp ieee754sp_div(union ieee754sp x, union ieee754sp y)
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_NORM):
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_DNORM):
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF):
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754sp_nanxcpt(ieee754sp_indef(), "div", x, y);
case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN):
@ -72,7 +72,7 @@ union ieee754sp ieee754sp_div(union ieee754sp x, union ieee754sp y)
*/
case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_INF):
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754sp_xcpt(ieee754sp_indef(), "div", x, y);
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_INF):
@ -89,12 +89,12 @@ union ieee754sp ieee754sp_div(union ieee754sp x, union ieee754sp y)
*/
case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_ZERO):
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754sp_xcpt(ieee754sp_indef(), "div", x, y);
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_ZERO):
case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_ZERO):
SETCX(IEEE754_ZERO_DIVIDE);
ieee754_setcx(IEEE754_ZERO_DIVIDE);
return ieee754sp_xcpt(ieee754sp_inf(xs ^ ys), "div", x, y);
case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_NORM):

8
arch/mips/math-emu/sp_fdp.c
View File

@ -33,13 +33,13 @@ union ieee754sp ieee754sp_fdp(union ieee754dp x)
EXPLODEXDP;
CLEARCX;
ieee754_clearcx();
FLUSHXDP;
switch (xc) {
case IEEE754_CLASS_SNAN:
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754sp_nanxcpt(ieee754sp_indef(), "fdp");
case IEEE754_CLASS_QNAN:
nan = buildsp(xs, SP_EMAX + 1 + SP_EBIAS, (u32)
@ -53,8 +53,8 @@ union ieee754sp ieee754sp_fdp(union ieee754dp x)
return ieee754sp_zero(xs);
case IEEE754_CLASS_DNORM:
/* can't possibly be sp representable */
SETCX(IEEE754_UNDERFLOW);
SETCX(IEEE754_INEXACT);
ieee754_setcx(IEEE754_UNDERFLOW);
ieee754_setcx(IEEE754_INEXACT);
if ((ieee754_csr.rm == IEEE754_RU && !xs) ||
(ieee754_csr.rm == IEEE754_RD && xs))
return ieee754sp_xcpt(ieee754sp_mind(xs), "fdp", x);

2
arch/mips/math-emu/sp_fint.c
View File

@ -32,7 +32,7 @@ union ieee754sp ieee754sp_fint(int x)
int xe;
int xs;
CLEARCX;
ieee754_clearcx();
if (x == 0)
return ieee754sp_zero(0);

2
arch/mips/math-emu/sp_flong.c
View File

@ -32,7 +32,7 @@ union ieee754sp ieee754sp_flong(s64 x)
int xe;
int xs;
CLEARCX;
ieee754_clearcx();
if (x == 0)
return ieee754sp_zero(0);

2
arch/mips/math-emu/sp_frexp.c
View File

@ -31,7 +31,7 @@
union ieee754sp ieee754sp_frexp(union ieee754sp x, int *eptr)
{
COMPXSP;
CLEARCX;
ieee754_clearcx();
EXPLODEXSP;
switch (xc) {

2
arch/mips/math-emu/sp_logb.c
View File

@ -30,7 +30,7 @@ union ieee754sp ieee754sp_logb(union ieee754sp x)
{
COMPXSP;
CLEARCX;
ieee754_clearcx();
EXPLODEXSP;

2
arch/mips/math-emu/sp_modf.c
View File

@ -32,7 +32,7 @@ union ieee754sp ieee754sp_modf(union ieee754sp x, union ieee754sp *ip)
{
COMPXSP;
CLEARCX;
ieee754_clearcx();
EXPLODEXSP;

6
arch/mips/math-emu/sp_mul.c
View File

@ -34,7 +34,7 @@ union ieee754sp ieee754sp_mul(union ieee754sp x, union ieee754sp y)
EXPLODEXSP;
EXPLODEYSP;
CLEARCX;
ieee754_clearcx();
FLUSHXSP;
FLUSHYSP;
@ -51,7 +51,7 @@ union ieee754sp ieee754sp_mul(union ieee754sp x, union ieee754sp y)
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_NORM):
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_DNORM):
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF):
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754sp_nanxcpt(ieee754sp_indef(), "mul", x, y);
case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN):
@ -72,7 +72,7 @@ union ieee754sp ieee754sp_mul(union ieee754sp x, union ieee754sp y)
case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_ZERO):
case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_INF):
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754sp_xcpt(ieee754sp_indef(), "mul", x, y);
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_INF):

2
arch/mips/math-emu/sp_scalb.c
View File

@ -30,7 +30,7 @@ union ieee754sp ieee754sp_scalb(union ieee754sp x, int n)
{
COMPXSP;
CLEARCX;
ieee754_clearcx();
EXPLODEXSP;

10
arch/mips/math-emu/sp_simple.c
View File

@ -33,7 +33,7 @@ int ieee754sp_finite(union ieee754sp x)
union ieee754sp ieee754sp_copysign(union ieee754sp x, union ieee754sp y)
{
CLEARCX;
ieee754_clearcx();
SPSIGN(x) = SPSIGN(y);
return x;
}
@ -44,7 +44,7 @@ union ieee754sp ieee754sp_neg(union ieee754sp x)
COMPXSP;
EXPLODEXSP;
CLEARCX;
ieee754_clearcx();
FLUSHXSP;
/*
@ -56,7 +56,7 @@ union ieee754sp ieee754sp_neg(union ieee754sp x)
if (xc == IEEE754_CLASS_SNAN) {
union ieee754sp y = ieee754sp_indef();
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
SPSIGN(y) = SPSIGN(x);
return ieee754sp_nanxcpt(y, "neg");
}
@ -70,14 +70,14 @@ union ieee754sp ieee754sp_abs(union ieee754sp x)
COMPXSP;
EXPLODEXSP;
CLEARCX;
ieee754_clearcx();
FLUSHXSP;
/* Clear sign ALWAYS, irrespective of NaN */
SPSIGN(x) = 0;
if (xc == IEEE754_CLASS_SNAN) {
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754sp_nanxcpt(ieee754sp_indef(), "abs");
}

10
arch/mips/math-emu/sp_sqrt.c
View File

@ -35,7 +35,7 @@ union ieee754sp ieee754sp_sqrt(union ieee754sp x)
/* take care of Inf and NaN */
EXPLODEXSP;
CLEARCX;
ieee754_clearcx();
FLUSHXSP;
/* x == INF or NAN? */
@ -44,7 +44,7 @@ union ieee754sp ieee754sp_sqrt(union ieee754sp x)
/* sqrt(Nan) = Nan */
return ieee754sp_nanxcpt(x, "sqrt");
case IEEE754_CLASS_SNAN:
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754sp_nanxcpt(ieee754sp_indef(), "sqrt");
case IEEE754_CLASS_ZERO:
/* sqrt(0) = 0 */
@ -52,7 +52,7 @@ union ieee754sp ieee754sp_sqrt(union ieee754sp x)
case IEEE754_CLASS_INF:
if (xs) {
/* sqrt(-Inf) = Nan */
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754sp_nanxcpt(ieee754sp_indef(), "sqrt");
}
/* sqrt(+Inf) = Inf */
@ -61,7 +61,7 @@ union ieee754sp ieee754sp_sqrt(union ieee754sp x)
case IEEE754_CLASS_NORM:
if (xs) {
/* sqrt(-x) = Nan */
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754sp_nanxcpt(ieee754sp_indef(), "sqrt");
}
break;
@ -99,7 +99,7 @@ union ieee754sp ieee754sp_sqrt(union ieee754sp x)
}
if (ix != 0) {
SETCX(IEEE754_INEXACT);
ieee754_setcx(IEEE754_INEXACT);
switch (ieee754_csr.rm) {
case IEEE754_RP:
q += 2;

6
arch/mips/math-emu/sp_sub.c
View File

@ -34,7 +34,7 @@ union ieee754sp ieee754sp_sub(union ieee754sp x, union ieee754sp y)
EXPLODEXSP;
EXPLODEYSP;
CLEARCX;
ieee754_clearcx();
FLUSHXSP;
FLUSHYSP;
@ -51,7 +51,7 @@ union ieee754sp ieee754sp_sub(union ieee754sp x, union ieee754sp y)
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_NORM):
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_DNORM):
case CLPAIR(IEEE754_CLASS_SNAN, IEEE754_CLASS_INF):
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754sp_nanxcpt(ieee754sp_indef(), "sub", x, y);
case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_QNAN):
@ -74,7 +74,7 @@ union ieee754sp ieee754sp_sub(union ieee754sp x, union ieee754sp y)
case CLPAIR(IEEE754_CLASS_INF, IEEE754_CLASS_INF):
if (xs != ys)
return x;
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754sp_xcpt(ieee754sp_indef(), "sub", x, y);
case CLPAIR(IEEE754_CLASS_ZERO, IEEE754_CLASS_INF):

10
arch/mips/math-emu/sp_tint.c
View File

@ -30,7 +30,7 @@ int ieee754sp_tint(union ieee754sp x)
{
COMPXSP;
CLEARCX;
ieee754_clearcx();
EXPLODEXSP;
FLUSHXSP;
@ -39,7 +39,7 @@ int ieee754sp_tint(union ieee754sp x)
case IEEE754_CLASS_SNAN:
case IEEE754_CLASS_QNAN:
case IEEE754_CLASS_INF:
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754si_xcpt(ieee754si_indef(), "sp_tint", x);
case IEEE754_CLASS_ZERO:
return 0;
@ -53,7 +53,7 @@ int ieee754sp_tint(union ieee754sp x)
return -0x80000000;
/* Set invalid. We will only use overflow for floating
point overflow */
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754si_xcpt(ieee754si_indef(), "sp_tint", x);
}
/* oh gawd */
@ -99,11 +99,11 @@ int ieee754sp_tint(union ieee754sp x)
}
if ((xm >> 31) != 0) {
/* This can happen after rounding */
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754si_xcpt(ieee754si_indef(), "sp_tint", x);
}
if (round || sticky)
SETCX(IEEE754_INEXACT);
ieee754_setcx(IEEE754_INEXACT);
}
if (xs)
return -xm;

10
arch/mips/math-emu/sp_tlong.c
View File

@ -30,7 +30,7 @@ s64 ieee754sp_tlong(union ieee754sp x)
{
COMPXDP; /* <-- need 64-bit mantissa tmp */
CLEARCX;
ieee754_clearcx();
EXPLODEXSP;
FLUSHXSP;
@ -39,7 +39,7 @@ s64 ieee754sp_tlong(union ieee754sp x)
case IEEE754_CLASS_SNAN:
case IEEE754_CLASS_QNAN:
case IEEE754_CLASS_INF:
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754di_xcpt(ieee754di_indef(), "sp_tlong", x);
case IEEE754_CLASS_ZERO:
return 0;
@ -53,7 +53,7 @@ s64 ieee754sp_tlong(union ieee754sp x)
return -0x8000000000000000LL;
/* Set invalid. We will only use overflow for floating
point overflow */
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754di_xcpt(ieee754di_indef(), "sp_tlong", x);
}
/* oh gawd */
@ -95,11 +95,11 @@ s64 ieee754sp_tlong(union ieee754sp x)
}
if ((xm >> 63) != 0) {
/* This can happen after rounding */
SETCX(IEEE754_INVALID_OPERATION);
ieee754_setcx(IEEE754_INVALID_OPERATION);
return ieee754di_xcpt(ieee754di_indef(), "sp_tlong", x);
}
if (round || sticky)
SETCX(IEEE754_INEXACT);
ieee754_setcx(IEEE754_INEXACT);
}
if (xs)
return -xm;