summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--arch/mips/math-emu/cp1emu.c42
-rw-r--r--arch/mips/math-emu/ieee754dp.c4
-rw-r--r--arch/mips/math-emu/ieee754dp.h22
-rw-r--r--arch/mips/math-emu/ieee754int.h146
-rw-r--r--arch/mips/math-emu/ieee754sp.c7
-rw-r--r--arch/mips/math-emu/ieee754sp.h33
-rw-r--r--arch/mips/math-emu/me-debugfs.c19
7 files changed, 140 insertions, 133 deletions
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index c4b855e7b0e0..584e0b805909 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -869,14 +869,16 @@ static inline int cop1_64bit(struct pt_regs *xcp)
#endif
}
-#define SIFROMREG(si, x) do { \
+#define SIFROMREG(si, x) \
+do { \
if (cop1_64bit(xcp)) \
(si) = get_fpr32(&ctx->fpr[x], 0); \
else \
(si) = get_fpr32(&ctx->fpr[(x) & ~1], (x) & 1); \
} while (0)
-#define SITOREG(si, x) do { \
+#define SITOREG(si, x) \
+do { \
if (cop1_64bit(xcp)) { \
unsigned i; \
set_fpr32(&ctx->fpr[x], 0, si); \
@@ -889,17 +891,19 @@ static inline int cop1_64bit(struct pt_regs *xcp)
#define SIFROMHREG(si, x) ((si) = get_fpr32(&ctx->fpr[x], 1))
-#define SITOHREG(si, x) do { \
+#define SITOHREG(si, x) \
+do { \
unsigned i; \
set_fpr32(&ctx->fpr[x], 1, si); \
for (i = 2; i < ARRAY_SIZE(ctx->fpr[x].val32); i++) \
set_fpr32(&ctx->fpr[x], i, 0); \
} while (0)
-#define DIFROMREG(di, x) \
+#define DIFROMREG(di, x) \
((di) = get_fpr64(&ctx->fpr[(x) & ~(cop1_64bit(xcp) == 0)], 0))
-#define DITOREG(di, x) do { \
+#define DITOREG(di, x) \
+do { \
unsigned fpr, i; \
fpr = (x) & ~(cop1_64bit(xcp) == 0); \
set_fpr64(&ctx->fpr[fpr], 0, di); \
@@ -1341,20 +1345,20 @@ static const unsigned char cmptab[8] = {
* Additional MIPS4 instructions
*/
-#define DEF3OP(name, p, f1, f2, f3) \
-static union ieee754##p fpemu_##p##_##name(union ieee754##p r, union ieee754##p s, \
- union ieee754##p t) \
-{ \
- struct _ieee754_csr ieee754_csr_save; \
- s = f1(s, t); \
- ieee754_csr_save = ieee754_csr; \
- s = f2(s, r); \
- ieee754_csr_save.cx |= ieee754_csr.cx; \
- ieee754_csr_save.sx |= ieee754_csr.sx; \
- s = f3(s); \
- ieee754_csr.cx |= ieee754_csr_save.cx; \
- ieee754_csr.sx |= ieee754_csr_save.sx; \
- return s; \
+#define DEF3OP(name, p, f1, f2, f3) \
+static union ieee754##p fpemu_##p##_##name(union ieee754##p r, \
+ union ieee754##p s, union ieee754##p t) \
+{ \
+ struct _ieee754_csr ieee754_csr_save; \
+ s = f1(s, t); \
+ ieee754_csr_save = ieee754_csr; \
+ s = f2(s, r); \
+ ieee754_csr_save.cx |= ieee754_csr.cx; \
+ ieee754_csr_save.sx |= ieee754_csr.sx; \
+ s = f3(s); \
+ ieee754_csr.cx |= ieee754_csr_save.cx; \
+ ieee754_csr.sx |= ieee754_csr_save.sx; \
+ return s; \
}
static union ieee754dp fpemu_dp_recip(union ieee754dp d)
diff --git a/arch/mips/math-emu/ieee754dp.c b/arch/mips/math-emu/ieee754dp.c
index 3692362b8072..43fb7fefb6cc 100644
--- a/arch/mips/math-emu/ieee754dp.c
+++ b/arch/mips/math-emu/ieee754dp.c
@@ -151,12 +151,12 @@ union ieee754dp ieee754dp_format(int sn, int xe, u64 xm)
case IEEE754_RZ:
return ieee754dp_zero(sn);
case IEEE754_RU: /* toward +Infinity */
- if(sn == 0)
+ if (sn == 0)
return ieee754dp_min(0);
else
return ieee754dp_zero(1);
case IEEE754_RD: /* toward -Infinity */
- if(sn == 0)
+ if (sn == 0)
return ieee754dp_zero(0);
else
return ieee754dp_min(1);
diff --git a/arch/mips/math-emu/ieee754dp.h b/arch/mips/math-emu/ieee754dp.h
index ad2568fa0b05..3759f3f35293 100644
--- a/arch/mips/math-emu/ieee754dp.h
+++ b/arch/mips/math-emu/ieee754dp.h
@@ -32,17 +32,17 @@
/* 3bit extended double precision sticky right shift */
#define XDPSRS(v,rs) \
- ((rs > (DP_MBITS+3))?1:((v) >> (rs)) | ((v) << (64-(rs)) != 0))
+ ((rs > (DP_MBITS+3))?1:((v) >> (rs)) | ((v) << (64-(rs)) != 0))
#define XDPSRSX1() \
- (xe++, (xm = (xm >> 1) | (xm & 1)))
+ (xe++, (xm = (xm >> 1) | (xm & 1)))
#define XDPSRS1(v) \
- (((v) >> 1) | ((v) & 1))
+ (((v) >> 1) | ((v) & 1))
/* convert denormal to normalized with extended exponent */
#define DPDNORMx(m,e) \
- while( (m >> DP_MBITS) == 0) { m <<= 1; e--; }
+ while ((m >> DP_MBITS) == 0) { m <<= 1; e--; }
#define DPDNORMX DPDNORMx(xm, xe)
#define DPDNORMY DPDNORMx(ym, ye)
@@ -71,13 +71,13 @@ extern union ieee754dp ieee754dp_bestnan(union ieee754dp, union ieee754dp);
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()) \
- return ieee754dp_xcpt(V, name, a0, a1); \
- else \
- return V; \
+#define DPNORMRET2(s, e, m, name, a0, a1) \
+{ \
+ union ieee754dp V = ieee754dp_format(s, e, m); \
+ if (TSTX()) \
+ return ieee754dp_xcpt(V, name, a0, a1); \
+ else \
+ return V; \
}
#define DPNORMRET1(s, e, m, name, a0) DPNORMRET2(s, e, m, name, a0, a0)
diff --git a/arch/mips/math-emu/ieee754int.h b/arch/mips/math-emu/ieee754int.h
index 4b6c6fb35304..27ed825ad35a 100644
--- a/arch/mips/math-emu/ieee754int.h
+++ b/arch/mips/math-emu/ieee754int.h
@@ -57,105 +57,105 @@
#define CLPAIR(x, y) ((x)*6+(y))
#define CLEARCX \
- (ieee754_csr.cx = 0)
+ (ieee754_csr.cx = 0)
#define SETCX(x) \
- (ieee754_csr.cx |= (x), ieee754_csr.sx |= (x))
+ (ieee754_csr.cx |= (x), ieee754_csr.sx |= (x))
#define SETANDTESTCX(x) \
- (SETCX(x), ieee754_csr.mx & (x))
+ (SETCX(x), ieee754_csr.mx & (x))
#define TSTX() \
(ieee754_csr.cx & ieee754_csr.mx)
#define COMPXSP \
- unsigned xm; int xe; int xs __maybe_unused; int xc
+ unsigned xm; int xe; int xs __maybe_unused; int xc
#define COMPYSP \
- unsigned ym; int ye; int ys; int yc
-
-#define EXPLODESP(v, vc, vs, ve, vm) \
-{\
- vs = SPSIGN(v);\
- ve = SPBEXP(v);\
- vm = SPMANT(v);\
- if(ve == SP_EMAX+1+SP_EBIAS){\
- if(vm == 0)\
- vc = IEEE754_CLASS_INF;\
- else if(vm & SP_MBIT(SP_MBITS-1)) \
- vc = IEEE754_CLASS_SNAN;\
- else \
- vc = IEEE754_CLASS_QNAN;\
- } else if(ve == SP_EMIN-1+SP_EBIAS) {\
- if(vm) {\
- ve = SP_EMIN;\
- vc = IEEE754_CLASS_DNORM;\
- } else\
- vc = IEEE754_CLASS_ZERO;\
- } else {\
- ve -= SP_EBIAS;\
- vm |= SP_HIDDEN_BIT;\
- vc = IEEE754_CLASS_NORM;\
- }\
+ unsigned ym; int ye; int ys; int yc
+
+#define EXPLODESP(v, vc, vs, ve, vm) \
+{ \
+ vs = SPSIGN(v); \
+ ve = SPBEXP(v); \
+ vm = SPMANT(v); \
+ if (ve == SP_EMAX+1+SP_EBIAS) { \
+ if (vm == 0) \
+ vc = IEEE754_CLASS_INF; \
+ else if (vm & SP_MBIT(SP_MBITS-1)) \
+ vc = IEEE754_CLASS_SNAN; \
+ else \
+ vc = IEEE754_CLASS_QNAN; \
+ } else if (ve == SP_EMIN-1+SP_EBIAS) { \
+ if (vm) { \
+ ve = SP_EMIN; \
+ vc = IEEE754_CLASS_DNORM; \
+ } else \
+ vc = IEEE754_CLASS_ZERO; \
+ } else { \
+ ve -= SP_EBIAS; \
+ vm |= SP_HIDDEN_BIT; \
+ vc = IEEE754_CLASS_NORM; \
+ } \
}
#define EXPLODEXSP EXPLODESP(x, xc, xs, xe, xm)
#define EXPLODEYSP EXPLODESP(y, yc, ys, ye, ym)
#define COMPXDP \
-u64 xm; int xe; int xs __maybe_unused; int xc
+ u64 xm; int xe; int xs __maybe_unused; int xc
#define COMPYDP \
-u64 ym; int ye; int ys; int yc
-
-#define EXPLODEDP(v, vc, vs, ve, vm) \
-{\
- vm = DPMANT(v);\
- vs = DPSIGN(v);\
- ve = DPBEXP(v);\
- if(ve == DP_EMAX+1+DP_EBIAS){\
- if(vm == 0)\
- vc = IEEE754_CLASS_INF;\
- else if(vm & DP_MBIT(DP_MBITS-1)) \
- vc = IEEE754_CLASS_SNAN;\
- else \
- vc = IEEE754_CLASS_QNAN;\
- } else if(ve == DP_EMIN-1+DP_EBIAS) {\
- if(vm) {\
- ve = DP_EMIN;\
- vc = IEEE754_CLASS_DNORM;\
- } else\
- vc = IEEE754_CLASS_ZERO;\
- } else {\
- ve -= DP_EBIAS;\
- vm |= DP_HIDDEN_BIT;\
- vc = IEEE754_CLASS_NORM;\
- }\
+ u64 ym; int ye; int ys; int yc
+
+#define EXPLODEDP(v, vc, vs, ve, vm) \
+{ \
+ vm = DPMANT(v); \
+ vs = DPSIGN(v); \
+ ve = DPBEXP(v); \
+ if (ve == DP_EMAX+1+DP_EBIAS) { \
+ if (vm == 0) \
+ vc = IEEE754_CLASS_INF; \
+ else if (vm & DP_MBIT(DP_MBITS-1)) \
+ vc = IEEE754_CLASS_SNAN; \
+ else \
+ vc = IEEE754_CLASS_QNAN; \
+ } else if (ve == DP_EMIN-1+DP_EBIAS) { \
+ if (vm) { \
+ ve = DP_EMIN; \
+ vc = IEEE754_CLASS_DNORM; \
+ } else \
+ vc = IEEE754_CLASS_ZERO; \
+ } else { \
+ ve -= DP_EBIAS; \
+ vm |= DP_HIDDEN_BIT; \
+ vc = IEEE754_CLASS_NORM; \
+ } \
}
#define EXPLODEXDP EXPLODEDP(x, xc, xs, xe, xm)
#define EXPLODEYDP EXPLODEDP(y, yc, ys, ye, ym)
-#define FLUSHDP(v, vc, vs, ve, vm) \
- if(vc==IEEE754_CLASS_DNORM) {\
- if(ieee754_csr.nod) {\
- SETCX(IEEE754_INEXACT);\
- vc = IEEE754_CLASS_ZERO;\
- ve = DP_EMIN-1+DP_EBIAS;\
- vm = 0;\
- v = ieee754dp_zero(vs);\
- }\
+#define FLUSHDP(v, vc, vs, ve, vm) \
+ if (vc==IEEE754_CLASS_DNORM) { \
+ if (ieee754_csr.nod) { \
+ SETCX(IEEE754_INEXACT); \
+ vc = IEEE754_CLASS_ZERO; \
+ ve = DP_EMIN-1+DP_EBIAS; \
+ vm = 0; \
+ v = ieee754dp_zero(vs); \
+ } \
}
-#define FLUSHSP(v, vc, vs, ve, vm) \
- if(vc==IEEE754_CLASS_DNORM) {\
- if(ieee754_csr.nod) {\
- SETCX(IEEE754_INEXACT);\
- vc = IEEE754_CLASS_ZERO;\
- ve = SP_EMIN-1+SP_EBIAS;\
- vm = 0;\
- v = ieee754sp_zero(vs);\
- }\
+#define FLUSHSP(v, vc, vs, ve, vm) \
+ if (vc==IEEE754_CLASS_DNORM) { \
+ if (ieee754_csr.nod) { \
+ SETCX(IEEE754_INEXACT); \
+ vc = IEEE754_CLASS_ZERO; \
+ ve = SP_EMIN-1+SP_EBIAS; \
+ vm = 0; \
+ v = ieee754sp_zero(vs); \
+ } \
}
#define FLUSHXDP FLUSHDP(x, xc, xs, xe, xm)
diff --git a/arch/mips/math-emu/ieee754sp.c b/arch/mips/math-emu/ieee754sp.c
index ac84d19e7c87..a15d2123e05e 100644
--- a/arch/mips/math-emu/ieee754sp.c
+++ b/arch/mips/math-emu/ieee754sp.c
@@ -152,12 +152,12 @@ union ieee754sp ieee754sp_format(int sn, int xe, unsigned xm)
case IEEE754_RZ:
return ieee754sp_zero(sn);
case IEEE754_RU: /* toward +Infinity */
- if(sn == 0)
+ if (sn == 0)
return ieee754sp_min(0);
else
return ieee754sp_zero(1);
case IEEE754_RD: /* toward -Infinity */
- if(sn == 0)
+ if (sn == 0)
return ieee754sp_zero(0);
else
return ieee754sp_min(1);
@@ -174,8 +174,7 @@ union ieee754sp ieee754sp_format(int sn, int xe, unsigned xm)
/* Clear grs bits */
xm &= ~(SP_MBIT(3) - 1);
xe++;
- }
- else {
+ } else {
/* sticky right shift es bits
*/
SPXSRSXn(es);
diff --git a/arch/mips/math-emu/ieee754sp.h b/arch/mips/math-emu/ieee754sp.h
index 5836fa1e69d8..f007c47086cb 100644
--- a/arch/mips/math-emu/ieee754sp.h
+++ b/arch/mips/math-emu/ieee754sp.h
@@ -31,23 +31,23 @@
#define assert(expr) ((void)0)
/* 3bit extended single precision sticky right shift */
-#define SPXSRSXn(rs) \
- (xe += rs, \
- xm = (rs > (SP_MBITS+3))?1:((xm) >> (rs)) | ((xm) << (32-(rs)) != 0))
+#define SPXSRSXn(rs) \
+ (xe += rs, \
+ xm = (rs > (SP_MBITS+3))?1:((xm) >> (rs)) | ((xm) << (32-(rs)) != 0))
#define SPXSRSX1() \
- (xe++, (xm = (xm >> 1) | (xm & 1)))
+ (xe++, (xm = (xm >> 1) | (xm & 1)))
-#define SPXSRSYn(rs) \
- (ye+=rs, \
- ym = (rs > (SP_MBITS+3))?1:((ym) >> (rs)) | ((ym) << (32-(rs)) != 0))
+#define SPXSRSYn(rs) \
+ (ye+=rs, \
+ ym = (rs > (SP_MBITS+3))?1:((ym) >> (rs)) | ((ym) << (32-(rs)) != 0))
#define SPXSRSY1() \
- (ye++, (ym = (ym >> 1) | (ym & 1)))
+ (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_MBITS) == 0) { m <<= 1; e--; }
#define SPDNORMX SPDNORMx(xm, xe)
#define SPDNORMY SPDNORMx(ym, ye)
@@ -77,13 +77,14 @@ extern union ieee754sp ieee754sp_bestnan(union ieee754sp, union ieee754sp);
extern union ieee754sp ieee754sp_format(int, int, unsigned);
-#define SPNORMRET2(s, e, m, name, a0, a1) \
-{ \
- union ieee754sp V = ieee754sp_format(s, e, m); \
- if(TSTX()) \
- return ieee754sp_xcpt(V, name, a0, a1); \
- else \
- return V; \
+#define SPNORMRET2(s, e, m, name, a0, a1) \
+{ \
+ union ieee754sp V = ieee754sp_format(s, e, m); \
+ \
+ if (TSTX()) \
+ return ieee754sp_xcpt(V, name, a0, a1); \
+ else \
+ return V; \
}
#define SPNORMRET1(s, e, m, name, a0) SPNORMRET2(s, e, m, name, a0, a0)
diff --git a/arch/mips/math-emu/me-debugfs.c b/arch/mips/math-emu/me-debugfs.c
index d895b38773df..95ed9f9bd2b0 100644
--- a/arch/mips/math-emu/me-debugfs.c
+++ b/arch/mips/math-emu/me-debugfs.c
@@ -38,14 +38,17 @@ static int __init debugfs_fpuemu(void)
if (!dir)
return -ENOMEM;
-#define FPU_STAT_CREATE(M) \
- do { \
- d = debugfs_create_file(#M , S_IRUGO, dir, \
- (void *)offsetof(struct mips_fpu_emulator_stats, M), \
- &fops_fpuemu_stat); \
- if (!d) \
- return -ENOMEM; \
- } while (0)
+#define FPU_EMU_STAT_OFFSET(m) \
+ offsetof(struct mips_fpu_emulator_stats, m)
+
+#define FPU_STAT_CREATE(m) \
+do { \
+ d = debugfs_create_file(#m , S_IRUGO, dir, \
+ (void *)FPU_EMU_STAT_OFFSET(m), \
+ &fops_fpuemu_stat); \
+ if (!d) \
+ return -ENOMEM; \
+} while (0)
FPU_STAT_CREATE(emulated);
FPU_STAT_CREATE(loads);
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-16 22:05:46 +0300