From: Liu Yu <yu.liu@freescale.com>
To: linuxppc-dev@ozlabs.org
Cc: kumar.gala@freescale.com, Liu Yu <yu.liu@freescale.com>
Subject: [PATCH 3/4] math-emu: Remove redundant 'ret'
Date: Tue, 28 Oct 2008 11:50:20 +0800 [thread overview]
Message-ID: <1225165821-15998-4-git-send-email-yu.liu@freescale.com> (raw)
In-Reply-To: <1225165821-15998-3-git-send-email-yu.liu@freescale.com>
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>
---
arch/powerpc/math-emu/fadd.c | 1 -
arch/powerpc/math-emu/fcmpo.c | 5 ++---
arch/powerpc/math-emu/fdiv.c | 9 ++++-----
arch/powerpc/math-emu/fdivs.c | 9 ++++-----
arch/powerpc/math-emu/fmadd.c | 5 ++---
arch/powerpc/math-emu/fmadds.c | 5 ++---
arch/powerpc/math-emu/fmsub.c | 5 ++---
arch/powerpc/math-emu/fmsubs.c | 5 ++---
arch/powerpc/math-emu/fmul.c | 3 +--
arch/powerpc/math-emu/fmuls.c | 3 +--
arch/powerpc/math-emu/fnmadd.c | 5 ++---
arch/powerpc/math-emu/fnmadds.c | 5 ++---
arch/powerpc/math-emu/fnmsub.c | 5 ++---
arch/powerpc/math-emu/fnmsubs.c | 5 ++---
arch/powerpc/math-emu/fsqrt.c | 5 ++---
arch/powerpc/math-emu/fsqrts.c | 5 ++---
arch/powerpc/math-emu/fsub.c | 3 +--
arch/powerpc/math-emu/fsubs.c | 3 +--
18 files changed, 34 insertions(+), 52 deletions(-)
diff --git a/arch/powerpc/math-emu/fadd.c b/arch/powerpc/math-emu/fadd.c
index 04d3b4a..0158a16 100644
--- a/arch/powerpc/math-emu/fadd.c
+++ b/arch/powerpc/math-emu/fadd.c
@@ -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);
diff --git a/arch/powerpc/math-emu/fcmpo.c b/arch/powerpc/math-emu/fcmpo.c
index b5dc449..5bce011 100644
--- a/arch/powerpc/math-emu/fcmpo.c
+++ b/arch/powerpc/math-emu/fcmpo.c
@@ -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;
}
diff --git a/arch/powerpc/math-emu/fdiv.c b/arch/powerpc/math-emu/fdiv.c
index 2db1509..a29239c 100644
--- a/arch/powerpc/math-emu/fdiv.c
+++ b/arch/powerpc/math-emu/fdiv.c
@@ -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);
diff --git a/arch/powerpc/math-emu/fdivs.c b/arch/powerpc/math-emu/fdivs.c
index 797f6a9..526bc26 100644
--- a/arch/powerpc/math-emu/fdivs.c
+++ b/arch/powerpc/math-emu/fdivs.c
@@ -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);
diff --git a/arch/powerpc/math-emu/fmadd.c b/arch/powerpc/math-emu/fmadd.c
index 925313a..8c3f20a 100644
--- a/arch/powerpc/math-emu/fmadd.c
+++ b/arch/powerpc/math-emu/fmadd.c
@@ -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);
diff --git a/arch/powerpc/math-emu/fmadds.c b/arch/powerpc/math-emu/fmadds.c
index aea80ef..794fb31 100644
--- a/arch/powerpc/math-emu/fmadds.c
+++ b/arch/powerpc/math-emu/fmadds.c
@@ -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);
diff --git a/arch/powerpc/math-emu/fmsub.c b/arch/powerpc/math-emu/fmsub.c
index a644d52..626f6fe 100644
--- a/arch/powerpc/math-emu/fmsub.c
+++ b/arch/powerpc/math-emu/fmsub.c
@@ -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);
diff --git a/arch/powerpc/math-emu/fmsubs.c b/arch/powerpc/math-emu/fmsubs.c
index 2fdeeb9..3425bc8 100644
--- a/arch/powerpc/math-emu/fmsubs.c
+++ b/arch/powerpc/math-emu/fmsubs.c
@@ -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);
diff --git a/arch/powerpc/math-emu/fmul.c b/arch/powerpc/math-emu/fmul.c
index 391fd17..2c19297 100644
--- a/arch/powerpc/math-emu/fmul.c
+++ b/arch/powerpc/math-emu/fmul.c
@@ -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);
diff --git a/arch/powerpc/math-emu/fmuls.c b/arch/powerpc/math-emu/fmuls.c
index 2d3ec5f..f5ad5c9 100644
--- a/arch/powerpc/math-emu/fmuls.c
+++ b/arch/powerpc/math-emu/fmuls.c
@@ -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);
diff --git a/arch/powerpc/math-emu/fnmadd.c b/arch/powerpc/math-emu/fnmadd.c
index 2497b86..e817bc5 100644
--- a/arch/powerpc/math-emu/fnmadd.c
+++ b/arch/powerpc/math-emu/fnmadd.c
@@ -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);
diff --git a/arch/powerpc/math-emu/fnmadds.c b/arch/powerpc/math-emu/fnmadds.c
index ee9d71e..4db4b7d 100644
--- a/arch/powerpc/math-emu/fnmadds.c
+++ b/arch/powerpc/math-emu/fnmadds.c
@@ -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);
diff --git a/arch/powerpc/math-emu/fnmsub.c b/arch/powerpc/math-emu/fnmsub.c
index 3885a77..f65979f 100644
--- a/arch/powerpc/math-emu/fnmsub.c
+++ b/arch/powerpc/math-emu/fnmsub.c
@@ -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);
diff --git a/arch/powerpc/math-emu/fnmsubs.c b/arch/powerpc/math-emu/fnmsubs.c
index f835dfe..9021dac 100644
--- a/arch/powerpc/math-emu/fnmsubs.c
+++ b/arch/powerpc/math-emu/fnmsubs.c
@@ -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);
diff --git a/arch/powerpc/math-emu/fsqrt.c b/arch/powerpc/math-emu/fsqrt.c
index 3e90072..a55fc7d 100644
--- a/arch/powerpc/math-emu/fsqrt.c
+++ b/arch/powerpc/math-emu/fsqrt.c
@@ -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);
diff --git a/arch/powerpc/math-emu/fsqrts.c b/arch/powerpc/math-emu/fsqrts.c
index 2843be9..31dccbf 100644
--- a/arch/powerpc/math-emu/fsqrts.c
+++ b/arch/powerpc/math-emu/fsqrts.c
@@ -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);
diff --git a/arch/powerpc/math-emu/fsub.c b/arch/powerpc/math-emu/fsub.c
index 78b0944..02c5dff 100644
--- a/arch/powerpc/math-emu/fsub.c
+++ b/arch/powerpc/math-emu/fsub.c
@@ -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);
diff --git a/arch/powerpc/math-emu/fsubs.c b/arch/powerpc/math-emu/fsubs.c
index d3bf908..5d9b18c 100644
--- a/arch/powerpc/math-emu/fsubs.c
+++ b/arch/powerpc/math-emu/fsubs.c
@@ -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);
--
1.5.4
next prev parent reply other threads:[~2008-10-28 3:57 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-28 3:50 [Patch 0/4] math-emu Liu Yu
2008-10-28 3:50 ` [PATCH 1/4] math-emu: Fix single float point division bug Liu Yu
2008-10-28 3:50 ` [PATCH 2/4] math-emu: Adopt new version of _FP_CHOOSENAN Liu Yu
2008-10-28 3:50 ` Liu Yu [this message]
2008-10-28 3:50 ` [PATCH 4/4] Add SPE/EFP math emulation for E500v1/v2 processors Liu Yu
2008-11-06 4:05 ` Kumar Gala
2008-11-06 4:05 ` [PATCH 3/4] math-emu: Remove redundant 'ret' Kumar Gala
2008-11-06 4:05 ` [PATCH 2/4] math-emu: Adopt new version of _FP_CHOOSENAN Kumar Gala
2008-11-06 4:03 ` [PATCH 1/4] math-emu: Fix single float point division bug Kumar Gala
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