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powerpc/math-emu: Remove redundant 'ret'

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FP_DECL_EX is already used, so ret is redundant.
And FP_SET_EXCEPTION will add status into return value.

Signed-off-by: Liu Yu <yu.liu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Liu Yu 2008-10-28 11:50:20 +08:00 committed by Kumar Gala
parent 463a8c01e1
commit 033b8a333c
18 changed files with 34 additions and 52 deletions
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1
arch/powerpc/math-emu/fadd.c
View File

@ -13,7 +13,6 @@ fadd(void *frD, void *frA, void *frB)
FP_DECL_D(B);
FP_DECL_D(R);
FP_DECL_EX;
int ret = 0;
#ifdef DEBUG
printk("%s: %p %p %p\n", __func__, frD, frA, frB);

5
arch/powerpc/math-emu/fcmpo.c
View File

@ -14,7 +14,6 @@ fcmpo(u32 *ccr, int crfD, void *frA, void *frB)
FP_DECL_EX;
int code[4] = { (1 << 3), (1 << 1), (1 << 2), (1 << 0) };
long cmp;
int ret = 0;
#ifdef DEBUG
printk("%s: %p (%08x) %d %p %p\n", __func__, ccr, *ccr, crfD, frA, frB);
@ -29,7 +28,7 @@ fcmpo(u32 *ccr, int crfD, void *frA, void *frB)
#endif
if (A_c == FP_CLS_NAN || B_c == FP_CLS_NAN)
ret |= EFLAG_VXVC;
FP_SET_EXCEPTION(EFLAG_VXVC);
FP_CMP_D(cmp, A, B, 2);
cmp = code[(cmp + 1) & 3];
@ -44,5 +43,5 @@ fcmpo(u32 *ccr, int crfD, void *frA, void *frB)
printk("CR: %08x\n", *ccr);
#endif
return ret;
return FP_CUR_EXCEPTIONS;
}

9
arch/powerpc/math-emu/fdiv.c
View File

@ -13,7 +13,6 @@ fdiv(void *frD, void *frA, void *frB)
FP_DECL_D(B);
FP_DECL_D(R);
FP_DECL_EX;
int ret = 0;
#ifdef DEBUG
printk("%s: %p %p %p\n", __func__, frD, frA, frB);
@ -28,22 +27,22 @@ fdiv(void *frD, void *frA, void *frB)
#endif
if (A_c == FP_CLS_ZERO && B_c == FP_CLS_ZERO) {
ret |= EFLAG_VXZDZ;
FP_SET_EXCEPTION(EFLAG_VXZDZ);
#ifdef DEBUG
printk("%s: FPSCR_VXZDZ raised\n", __func__);
#endif
}
if (A_c == FP_CLS_INF && B_c == FP_CLS_INF) {
ret |= EFLAG_VXIDI;
FP_SET_EXCEPTION(EFLAG_VXIDI);
#ifdef DEBUG
printk("%s: FPSCR_VXIDI raised\n", __func__);
#endif
}
if (B_c == FP_CLS_ZERO && A_c != FP_CLS_ZERO) {
ret |= EFLAG_DIVZERO;
FP_SET_EXCEPTION(EFLAG_DIVZERO);
if (__FPU_TRAP_P(EFLAG_DIVZERO))
return ret;
return FP_CUR_EXCEPTIONS;
}
FP_DIV_D(R, A, B);

9
arch/powerpc/math-emu/fdivs.c
View File

@ -14,7 +14,6 @@ fdivs(void *frD, void *frA, void *frB)
FP_DECL_D(B);
FP_DECL_D(R);
FP_DECL_EX;
int ret = 0;
#ifdef DEBUG
printk("%s: %p %p %p\n", __func__, frD, frA, frB);
@ -29,22 +28,22 @@ fdivs(void *frD, void *frA, void *frB)
#endif
if (A_c == FP_CLS_ZERO && B_c == FP_CLS_ZERO) {
ret |= EFLAG_VXZDZ;
FP_SET_EXCEPTION(EFLAG_VXZDZ);
#ifdef DEBUG
printk("%s: FPSCR_VXZDZ raised\n", __func__);
#endif
}
if (A_c == FP_CLS_INF && B_c == FP_CLS_INF) {
ret |= EFLAG_VXIDI;
FP_SET_EXCEPTION(EFLAG_VXIDI);
#ifdef DEBUG
printk("%s: FPSCR_VXIDI raised\n", __func__);
#endif
}
if (B_c == FP_CLS_ZERO && A_c != FP_CLS_ZERO) {
ret |= EFLAG_DIVZERO;
FP_SET_EXCEPTION(EFLAG_DIVZERO);
if (__FPU_TRAP_P(EFLAG_DIVZERO))
return ret;
return FP_CUR_EXCEPTIONS;
}
FP_DIV_D(R, A, B);

5
arch/powerpc/math-emu/fmadd.c
View File

@ -15,7 +15,6 @@ fmadd(void *frD, void *frA, void *frB, void *frC)
FP_DECL_D(C);
FP_DECL_D(T);
FP_DECL_EX;
int ret = 0;
#ifdef DEBUG
printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC);
@ -33,12 +32,12 @@ fmadd(void *frD, void *frA, void *frB, void *frC)
if ((A_c == FP_CLS_INF && C_c == FP_CLS_ZERO) ||
(A_c == FP_CLS_ZERO && C_c == FP_CLS_INF))
ret |= EFLAG_VXIMZ;
FP_SET_EXCEPTION(EFLAG_VXIMZ);
FP_MUL_D(T, A, C);
if (T_s != B_s && T_c == FP_CLS_INF && B_c == FP_CLS_INF)
ret |= EFLAG_VXISI;
FP_SET_EXCEPTION(EFLAG_VXISI);
FP_ADD_D(R, T, B);

5
arch/powerpc/math-emu/fmadds.c
View File

@ -16,7 +16,6 @@ fmadds(void *frD, void *frA, void *frB, void *frC)
FP_DECL_D(C);
FP_DECL_D(T);
FP_DECL_EX;
int ret = 0;
#ifdef DEBUG
printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC);
@ -34,12 +33,12 @@ fmadds(void *frD, void *frA, void *frB, void *frC)
if ((A_c == FP_CLS_INF && C_c == FP_CLS_ZERO) ||
(A_c == FP_CLS_ZERO && C_c == FP_CLS_INF))
ret |= EFLAG_VXIMZ;
FP_SET_EXCEPTION(EFLAG_VXIMZ);
FP_MUL_D(T, A, C);
if (T_s != B_s && T_c == FP_CLS_INF && B_c == FP_CLS_INF)
ret |= EFLAG_VXISI;
FP_SET_EXCEPTION(EFLAG_VXISI);
FP_ADD_D(R, T, B);

5
arch/powerpc/math-emu/fmsub.c
View File

@ -15,7 +15,6 @@ fmsub(void *frD, void *frA, void *frB, void *frC)
FP_DECL_D(C);
FP_DECL_D(T);
FP_DECL_EX;
int ret = 0;
#ifdef DEBUG
printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC);
@ -33,7 +32,7 @@ fmsub(void *frD, void *frA, void *frB, void *frC)
if ((A_c == FP_CLS_INF && C_c == FP_CLS_ZERO) ||
(A_c == FP_CLS_ZERO && C_c == FP_CLS_INF))
ret |= EFLAG_VXIMZ;
FP_SET_EXCEPTION(EFLAG_VXIMZ);
FP_MUL_D(T, A, C);
@ -41,7 +40,7 @@ fmsub(void *frD, void *frA, void *frB, void *frC)
B_s ^= 1;
if (T_s != B_s && T_c == FP_CLS_INF && B_c == FP_CLS_INF)
ret |= EFLAG_VXISI;
FP_SET_EXCEPTION(EFLAG_VXISI);
FP_ADD_D(R, T, B);

5
arch/powerpc/math-emu/fmsubs.c
View File

@ -16,7 +16,6 @@ fmsubs(void *frD, void *frA, void *frB, void *frC)
FP_DECL_D(C);
FP_DECL_D(T);
FP_DECL_EX;
int ret = 0;
#ifdef DEBUG
printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC);
@ -34,7 +33,7 @@ fmsubs(void *frD, void *frA, void *frB, void *frC)
if ((A_c == FP_CLS_INF && C_c == FP_CLS_ZERO) ||
(A_c == FP_CLS_ZERO && C_c == FP_CLS_INF))
ret |= EFLAG_VXIMZ;
FP_SET_EXCEPTION(EFLAG_VXIMZ);
FP_MUL_D(T, A, C);
@ -42,7 +41,7 @@ fmsubs(void *frD, void *frA, void *frB, void *frC)
B_s ^= 1;
if (T_s != B_s && T_c == FP_CLS_INF && B_c == FP_CLS_INF)
ret |= EFLAG_VXISI;
FP_SET_EXCEPTION(EFLAG_VXISI);
FP_ADD_D(R, T, B);

3
arch/powerpc/math-emu/fmul.c
View File

@ -13,7 +13,6 @@ fmul(void *frD, void *frA, void *frB)
FP_DECL_D(B);
FP_DECL_D(R);
FP_DECL_EX;
int ret = 0;
#ifdef DEBUG
printk("%s: %p %p %p\n", __func__, frD, frA, frB);
@ -31,7 +30,7 @@ fmul(void *frD, void *frA, void *frB)
if ((A_c == FP_CLS_INF && B_c == FP_CLS_ZERO) ||
(A_c == FP_CLS_ZERO && B_c == FP_CLS_INF))
ret |= EFLAG_VXIMZ;
FP_SET_EXCEPTION(EFLAG_VXIMZ);
FP_MUL_D(R, A, B);

3
arch/powerpc/math-emu/fmuls.c
View File

@ -14,7 +14,6 @@ fmuls(void *frD, void *frA, void *frB)
FP_DECL_D(B);
FP_DECL_D(R);
FP_DECL_EX;
int ret = 0;
#ifdef DEBUG
printk("%s: %p %p %p\n", __func__, frD, frA, frB);
@ -32,7 +31,7 @@ fmuls(void *frD, void *frA, void *frB)
if ((A_c == FP_CLS_INF && B_c == FP_CLS_ZERO) ||
(A_c == FP_CLS_ZERO && B_c == FP_CLS_INF))
ret |= EFLAG_VXIMZ;
FP_SET_EXCEPTION(EFLAG_VXIMZ);
FP_MUL_D(R, A, B);

5
arch/powerpc/math-emu/fnmadd.c
View File

@ -15,7 +15,6 @@ fnmadd(void *frD, void *frA, void *frB, void *frC)
FP_DECL_D(C);
FP_DECL_D(T);
FP_DECL_EX;
int ret = 0;
#ifdef DEBUG
printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC);
@ -33,12 +32,12 @@ fnmadd(void *frD, void *frA, void *frB, void *frC)
if ((A_c == FP_CLS_INF && C_c == FP_CLS_ZERO) ||
(A_c == FP_CLS_ZERO && C_c == FP_CLS_INF))
ret |= EFLAG_VXIMZ;
FP_SET_EXCEPTION(EFLAG_VXIMZ);
FP_MUL_D(T, A, C);
if (T_s != B_s && T_c == FP_CLS_INF && B_c == FP_CLS_INF)
ret |= EFLAG_VXISI;
FP_SET_EXCEPTION(EFLAG_VXISI);
FP_ADD_D(R, T, B);

5
arch/powerpc/math-emu/fnmadds.c
View File

@ -16,7 +16,6 @@ fnmadds(void *frD, void *frA, void *frB, void *frC)
FP_DECL_D(C);
FP_DECL_D(T);
FP_DECL_EX;
int ret = 0;
#ifdef DEBUG
printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC);
@ -34,12 +33,12 @@ fnmadds(void *frD, void *frA, void *frB, void *frC)
if ((A_c == FP_CLS_INF && C_c == FP_CLS_ZERO) ||
(A_c == FP_CLS_ZERO && C_c == FP_CLS_INF))
ret |= EFLAG_VXIMZ;
FP_SET_EXCEPTION(EFLAG_VXIMZ);
FP_MUL_D(T, A, C);
if (T_s != B_s && T_c == FP_CLS_INF && B_c == FP_CLS_INF)
ret |= EFLAG_VXISI;
FP_SET_EXCEPTION(EFLAG_VXISI);
FP_ADD_D(R, T, B);

5
arch/powerpc/math-emu/fnmsub.c
View File

@ -15,7 +15,6 @@ fnmsub(void *frD, void *frA, void *frB, void *frC)
FP_DECL_D(C);
FP_DECL_D(T);
FP_DECL_EX;
int ret = 0;
#ifdef DEBUG
printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC);
@ -33,7 +32,7 @@ fnmsub(void *frD, void *frA, void *frB, void *frC)
if ((A_c == FP_CLS_INF && C_c == FP_CLS_ZERO) ||
(A_c == FP_CLS_ZERO && C_c == FP_CLS_INF))
ret |= EFLAG_VXIMZ;
FP_SET_EXCEPTION(EFLAG_VXIMZ);
FP_MUL_D(T, A, C);
@ -41,7 +40,7 @@ fnmsub(void *frD, void *frA, void *frB, void *frC)
B_s ^= 1;
if (T_s != B_s && T_c == FP_CLS_INF && B_c == FP_CLS_INF)
ret |= EFLAG_VXISI;
FP_SET_EXCEPTION(EFLAG_VXISI);
FP_ADD_D(R, T, B);

5
arch/powerpc/math-emu/fnmsubs.c
View File

@ -16,7 +16,6 @@ fnmsubs(void *frD, void *frA, void *frB, void *frC)
FP_DECL_D(C);
FP_DECL_D(T);
FP_DECL_EX;
int ret = 0;
#ifdef DEBUG
printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC);
@ -34,7 +33,7 @@ fnmsubs(void *frD, void *frA, void *frB, void *frC)
if ((A_c == FP_CLS_INF && C_c == FP_CLS_ZERO) ||
(A_c == FP_CLS_ZERO && C_c == FP_CLS_INF))
ret |= EFLAG_VXIMZ;
FP_SET_EXCEPTION(EFLAG_VXIMZ);
FP_MUL_D(T, A, C);
@ -42,7 +41,7 @@ fnmsubs(void *frD, void *frA, void *frB, void *frC)
B_s ^= 1;
if (T_s != B_s && T_c == FP_CLS_INF && B_c == FP_CLS_INF)
ret |= EFLAG_VXISI;
FP_SET_EXCEPTION(EFLAG_VXISI);
FP_ADD_D(R, T, B);

5
arch/powerpc/math-emu/fsqrt.c
View File

@ -12,7 +12,6 @@ fsqrt(void *frD, void *frB)
FP_DECL_D(B);
FP_DECL_D(R);
FP_DECL_EX;
int ret = 0;
#ifdef DEBUG
printk("%s: %p %p %p %p\n", __func__, frD, frB);
@ -25,9 +24,9 @@ fsqrt(void *frD, void *frB)
#endif
if (B_s && B_c != FP_CLS_ZERO)
ret |= EFLAG_VXSQRT;
FP_SET_EXCEPTION(EFLAG_VXSQRT);
if (B_c == FP_CLS_NAN)
ret |= EFLAG_VXSNAN;
FP_SET_EXCEPTION(EFLAG_VXSNAN);
FP_SQRT_D(R, B);

5
arch/powerpc/math-emu/fsqrts.c
View File

@ -13,7 +13,6 @@ fsqrts(void *frD, void *frB)
FP_DECL_D(B);
FP_DECL_D(R);
FP_DECL_EX;
int ret = 0;
#ifdef DEBUG
printk("%s: %p %p %p %p\n", __func__, frD, frB);
@ -26,9 +25,9 @@ fsqrts(void *frD, void *frB)
#endif
if (B_s && B_c != FP_CLS_ZERO)
ret |= EFLAG_VXSQRT;
FP_SET_EXCEPTION(EFLAG_VXSQRT);
if (B_c == FP_CLS_NAN)
ret |= EFLAG_VXSNAN;
FP_SET_EXCEPTION(EFLAG_VXSNAN);
FP_SQRT_D(R, B);

3
arch/powerpc/math-emu/fsub.c
View File

@ -13,7 +13,6 @@ fsub(void *frD, void *frA, void *frB)
FP_DECL_D(B);
FP_DECL_D(R);
FP_DECL_EX;
int ret = 0;
#ifdef DEBUG
printk("%s: %p %p %p\n", __func__, frD, frA, frB);
@ -31,7 +30,7 @@ fsub(void *frD, void *frA, void *frB)
B_s ^= 1;
if (A_s != B_s && A_c == FP_CLS_INF && B_c == FP_CLS_INF)
ret |= EFLAG_VXISI;
FP_SET_EXCEPTION(EFLAG_VXISI);
FP_ADD_D(R, A, B);

3
arch/powerpc/math-emu/fsubs.c
View File

@ -14,7 +14,6 @@ fsubs(void *frD, void *frA, void *frB)
FP_DECL_D(B);
FP_DECL_D(R);
FP_DECL_EX;
int ret = 0;
#ifdef DEBUG
printk("%s: %p %p %p\n", __func__, frD, frA, frB);
@ -32,7 +31,7 @@ fsubs(void *frD, void *frA, void *frB)
B_s ^= 1;
if (A_s != B_s && A_c == FP_CLS_INF && B_c == FP_CLS_INF)
ret |= EFLAG_VXISI;
FP_SET_EXCEPTION(EFLAG_VXISI);
FP_ADD_D(R, A, B);