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Date: Tue, 29 Jan 2008 00:07:50 +0100
From: Paolo Ciarrocchi <paolo.ciarrocchi@...il.com>
To: Ingo Molnar <mingo@...e.hu>,
Linux Kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH 4/7] X86: Fix space related errors
Fix space related errors
Signed-off-by: Paolo Ciarrocchi <paolo.ciarrocchi@...il.com>
---
arch/x86/math-emu/errors.c | 134 ++++++++++++++++++++++----------------------
1 files changed, 67 insertions(+), 67 deletions(-)
diff --git a/arch/x86/math-emu/errors.c b/arch/x86/math-emu/errors.c
index 4419339..b3c12db 100644
--- a/arch/x86/math-emu/errors.c
+++ b/arch/x86/math-emu/errors.c
@@ -42,7 +42,7 @@
*/
void FPU_illegal(void)
{
- math_abort(FPU_info,SIGILL);
+ math_abort(FPU_info, SIGILL);
}
@@ -51,20 +51,20 @@ void FPU_printall(void)
{
int i;
static const char *tag_desc[] = { "Valid", "Zero", "ERROR", "Empty",
- "DeNorm", "Inf", "NaN" };
+ "DeNorm", "Inf", "NaN" };
u_char byte1, FPU_modrm;
unsigned long address = FPU_ORIG_EIP;
RE_ENTRANT_CHECK_OFF;
/* No need to check access_ok(), we have previously fetched these bytes. */
printk("At %p:", (void *) address);
- if ( FPU_CS == __USER_CS )
+ if (FPU_CS == __USER_CS)
{
#define MAX_PRINTED_BYTES 20
- for ( i = 0; i < MAX_PRINTED_BYTES; i++ )
+ for (i = 0; i < MAX_PRINTED_BYTES; i++)
{
FPU_get_user(byte1, (u_char __user *) address);
- if ( (byte1 & 0xf8) == 0xd8 )
+ if ((byte1 & 0xf8) == 0xd8)
{
printk(" %02x", byte1);
break;
@@ -72,12 +72,12 @@ void FPU_printall(void)
printk(" [%02x]", byte1);
address++;
}
- if ( i == MAX_PRINTED_BYTES )
+ if (i == MAX_PRINTED_BYTES)
printk(" [more..]\n");
else
{
FPU_get_user(FPU_modrm, 1 + (u_char __user *) address);
-
+
if (FPU_modrm >= 0300)
printk(" %02x (%02x+%d)\n", FPU_modrm, FPU_modrm & 0xf8, FPU_modrm & 7);
else
@@ -93,31 +93,31 @@ void FPU_printall(void)
partial_status = status_word();
#ifdef DEBUGGING
-if ( partial_status & SW_Backward )
+if (partial_status & SW_Backward)
printk("SW: backward compatibility\n");
-if ( partial_status & SW_C3 )
+if (partial_status & SW_C3)
printk("SW: condition bit 3\n");
-if ( partial_status & SW_C2 )
+if (partial_status & SW_C2)
printk("SW: condition bit 2\n");
-if ( partial_status & SW_C1 )
+if (partial_status & SW_C1)
printk("SW: condition bit 1\n");
-if ( partial_status & SW_C0 )
+if (partial_status & SW_C0)
printk("SW: condition bit 0\n");
-if ( partial_status & SW_Summary )
+if (partial_status & SW_Summary)
printk("SW: exception summary\n");
-if ( partial_status & SW_Stack_Fault )
+if (partial_status & SW_Stack_Fault)
printk("SW: stack fault\n");
-if ( partial_status & SW_Precision )
+if (partial_status & SW_Precision)
printk("SW: loss of precision\n");
-if ( partial_status & SW_Underflow )
+if (partial_status & SW_Underflow)
printk("SW: underflow\n");
-if ( partial_status & SW_Overflow )
+if (partial_status & SW_Overflow)
printk("SW: overflow\n");
-if ( partial_status & SW_Zero_Div )
+if (partial_status & SW_Zero_Div)
printk("SW: divide by zero\n");
-if ( partial_status & SW_Denorm_Op )
+if (partial_status & SW_Denorm_Op)
printk("SW: denormalized operand\n");
-if ( partial_status & SW_Invalid )
+if (partial_status & SW_Invalid)
printk("SW: invalid operation\n");
#endif /* DEBUGGING */
@@ -131,7 +131,7 @@ printk("SW: invalid operation\n");
partial_status & SW_Precision?1:0, partial_status & SW_Underflow?1:0,
partial_status & SW_Overflow?1:0, partial_status & SW_Zero_Div?1:0,
partial_status & SW_Denorm_Op?1:0, partial_status & SW_Invalid?1:0);
-
+
printk(" CW: ic=%d rc=%ld%ld pc=%ld%ld iem=%d ef=%d%d%d%d%d%d\n",
control_word & 0x1000 ? 1 : 0,
(control_word & 0x800) >> 11, (control_word & 0x400) >> 10,
@@ -141,7 +141,7 @@ printk(" CW: ic=%d rc=%ld%ld pc=%ld%ld iem=%d ef=%d%d%d%d%d%d\n",
control_word & SW_Overflow?1:0, control_word & SW_Zero_Div?1:0,
control_word & SW_Denorm_Op?1:0, control_word & SW_Invalid?1:0);
- for ( i = 0; i < 8; i++ )
+ for (i = 0; i < 8; i++)
{
FPU_REG *r = &st(i);
u_char tagi = FPU_gettagi(i);
@@ -274,7 +274,7 @@ asmlinkage void FPU_exception(int n)
int i, int_type;
int_type = 0; /* Needed only to stop compiler warnings */
- if ( n & EX_INTERNAL )
+ if (n & EX_INTERNAL)
{
int_type = n - EX_INTERNAL;
n = EX_INTERNAL;
@@ -288,11 +288,11 @@ asmlinkage void FPU_exception(int n)
/* Set the corresponding exception bit */
partial_status |= n;
/* Set summary bits iff exception isn't masked */
- if ( partial_status & ~control_word & CW_Exceptions )
+ if (partial_status & ~control_word & CW_Exceptions)
partial_status |= (SW_Summary | SW_Backward);
- if ( n & (SW_Stack_Fault | EX_Precision) )
+ if (n & (SW_Stack_Fault | EX_Precision))
{
- if ( !(n & SW_C1) )
+ if (!(n & SW_C1))
/* This bit distinguishes over- from underflow for a stack fault,
and roundup from round-down for precision loss. */
partial_status &= ~SW_C1;
@@ -300,18 +300,18 @@ asmlinkage void FPU_exception(int n)
}
RE_ENTRANT_CHECK_OFF;
- if ( (~control_word & n & CW_Exceptions) || (n == EX_INTERNAL) )
+ if ((~control_word & n & CW_Exceptions) || (n == EX_INTERNAL))
{
#ifdef PRINT_MESSAGES
/* My message from the sponsor */
printk(FPU_VERSION" "__DATE__" (C) W. Metzenthen.\n");
#endif /* PRINT_MESSAGES */
-
+
/* Get a name string for error reporting */
- for (i=0; exception_names[i].type; i++)
- if ( (exception_names[i].type & n) == exception_names[i].type )
+ for (i = 0; exception_names[i].type; i++)
+ if ((exception_names[i].type & n) == exception_names[i].type)
break;
-
+
if (exception_names[i].type)
{
#ifdef PRINT_MESSAGES
@@ -320,8 +320,8 @@ asmlinkage void FPU_exception(int n)
}
else
printk("FPU emulator: Unknown Exception: 0x%04x!\n", n);
-
- if ( n == EX_INTERNAL )
+
+ if (n == EX_INTERNAL)
{
printk("FPU emulator: Internal error type 0x%04x\n", int_type);
FPU_printall();
@@ -340,7 +340,7 @@ asmlinkage void FPU_exception(int n)
RE_ENTRANT_CHECK_ON;
#ifdef __DEBUG__
- math_abort(FPU_info,SIGFPE);
+ math_abort(FPU_info, SIGFPE);
#endif /* __DEBUG__ */
}
@@ -358,11 +358,11 @@ int real_1op_NaN(FPU_REG *a)
differ) is chosen to reproduce 80486 behaviour */
signalling = isNaN && !(a->sigh & 0x40000000);
- if ( !signalling )
+ if (!signalling)
{
- if ( !isNaN ) /* pseudo-NaN, or other unsupported? */
+ if (!isNaN) /* pseudo-NaN, or other unsupported? */
{
- if ( control_word & CW_Invalid )
+ if (control_word & CW_Invalid)
{
/* Masked response */
reg_copy(&CONST_QNaN, a);
@@ -373,10 +373,10 @@ int real_1op_NaN(FPU_REG *a)
return TAG_Special;
}
- if ( control_word & CW_Invalid )
+ if (control_word & CW_Invalid)
{
/* The masked response */
- if ( !(a->sigh & 0x80000000) ) /* pseudo-NaN ? */
+ if (!(a->sigh & 0x80000000)) /* pseudo-NaN ? */
{
reg_copy(&CONST_QNaN, a);
}
@@ -402,9 +402,9 @@ int real_2op_NaN(FPU_REG const *b, u_char tagb,
FPU_REG const *x;
int signalling, unsupported;
- if ( taga == TAG_Special )
+ if (taga == TAG_Special)
taga = FPU_Special(a);
- if ( tagb == TAG_Special )
+ if (tagb == TAG_Special)
tagb = FPU_Special(b);
/* TW_NaN is also used for unsupported data types. */
@@ -412,9 +412,9 @@ int real_2op_NaN(FPU_REG const *b, u_char tagb,
&& !((exponent(a) == EXP_OVER) && (a->sigh & 0x80000000)))
|| ((tagb == TW_NaN)
&& !((exponent(b) == EXP_OVER) && (b->sigh & 0x80000000)));
- if ( unsupported )
+ if (unsupported)
{
- if ( control_word & CW_Invalid )
+ if (control_word & CW_Invalid)
{
/* Masked response */
FPU_copy_to_regi(&CONST_QNaN, TAG_Special, deststnr);
@@ -429,9 +429,9 @@ int real_2op_NaN(FPU_REG const *b, u_char tagb,
if (tagb == TW_NaN)
{
signalling = !(a->sigh & b->sigh & 0x40000000);
- if ( significand(b) > significand(a) )
+ if (significand(b) > significand(a))
x = b;
- else if ( significand(b) == significand(a) )
+ else if (significand(b) == significand(a))
{
/* The default result for the case of two "equal" NaNs (signs may
differ) is chosen to reproduce 80486 behaviour */
@@ -461,17 +461,17 @@ int real_2op_NaN(FPU_REG const *b, u_char tagb,
}
#endif /* PARANOID */
- if ( (!signalling) || (control_word & CW_Invalid) )
+ if ((!signalling) || (control_word & CW_Invalid))
{
- if ( ! x )
+ if (!x)
x = b;
- if ( !(x->sigh & 0x80000000) ) /* pseudo-NaN ? */
+ if (!(x->sigh & 0x80000000)) /* pseudo-NaN ? */
x = &CONST_QNaN;
FPU_copy_to_regi(x, TAG_Special, deststnr);
- if ( !signalling )
+ if (!signalling)
return TAG_Special;
/* ensure a Quiet NaN */
@@ -490,13 +490,13 @@ asmlinkage int arith_invalid(int deststnr)
{
EXCEPTION(EX_Invalid);
-
- if ( control_word & CW_Invalid )
+
+ if (control_word & CW_Invalid)
{
/* The masked response */
FPU_copy_to_regi(&CONST_QNaN, TAG_Special, deststnr);
}
-
+
return (!(control_word & CW_Invalid) ? FPU_Exception : 0) | TAG_Valid;
}
@@ -508,14 +508,14 @@ asmlinkage int FPU_divide_by_zero(int deststnr, u_char sign)
FPU_REG *dest = &st(deststnr);
int tag = TAG_Valid;
- if ( control_word & CW_ZeroDiv )
+ if (control_word & CW_ZeroDiv)
{
/* The masked response */
FPU_copy_to_regi(&CONST_INF, TAG_Special, deststnr);
setsign(dest, sign);
tag = TAG_Special;
}
-
+
EXCEPTION(EX_ZeroDiv);
return (!(control_word & CW_ZeroDiv) ? FPU_Exception : 0) | tag;
@@ -526,7 +526,7 @@ asmlinkage int FPU_divide_by_zero(int deststnr, u_char sign)
/* This may be called often, so keep it lean */
int set_precision_flag(int flags)
{
- if ( control_word & CW_Precision )
+ if (control_word & CW_Precision)
{
partial_status &= ~(SW_C1 & flags);
partial_status |= flags; /* The masked response */
@@ -543,7 +543,7 @@ int set_precision_flag(int flags)
/* This may be called often, so keep it lean */
asmlinkage void set_precision_flag_up(void)
{
- if ( control_word & CW_Precision )
+ if (control_word & CW_Precision)
partial_status |= (SW_Precision | SW_C1); /* The masked response */
else
EXCEPTION(EX_Precision | SW_C1);
@@ -553,7 +553,7 @@ asmlinkage void set_precision_flag_up(void)
/* This may be called often, so keep it lean */
asmlinkage void set_precision_flag_down(void)
{
- if ( control_word & CW_Precision )
+ if (control_word & CW_Precision)
{ /* The masked response */
partial_status &= ~SW_C1;
partial_status |= SW_Precision;
@@ -565,7 +565,7 @@ asmlinkage void set_precision_flag_down(void)
asmlinkage int denormal_operand(void)
{
- if ( control_word & CW_Denormal )
+ if (control_word & CW_Denormal)
{ /* The masked response */
partial_status |= SW_Denorm_Op;
return TAG_Special;
@@ -582,7 +582,7 @@ asmlinkage int arith_overflow(FPU_REG *dest)
{
int tag = TAG_Valid;
- if ( control_word & CW_Overflow )
+ if (control_word & CW_Overflow)
{
/* The masked response */
/* ###### The response here depends upon the rounding mode */
@@ -596,7 +596,7 @@ asmlinkage int arith_overflow(FPU_REG *dest)
}
EXCEPTION(EX_Overflow);
- if ( control_word & CW_Overflow )
+ if (control_word & CW_Overflow)
{
/* The overflow exception is masked. */
/* By definition, precision is lost.
@@ -615,10 +615,10 @@ asmlinkage int arith_underflow(FPU_REG *dest)
{
int tag = TAG_Valid;
- if ( control_word & CW_Underflow )
+ if (control_word & CW_Underflow)
{
/* The masked response */
- if ( exponent16(dest) <= EXP_UNDER - 63 )
+ if (exponent16(dest) <= EXP_UNDER - 63)
{
reg_copy(&CONST_Z, dest);
partial_status &= ~SW_C1; /* Round down. */
@@ -636,7 +636,7 @@ asmlinkage int arith_underflow(FPU_REG *dest)
}
EXCEPTION(EX_Underflow);
- if ( control_word & CW_Underflow )
+ if (control_word & CW_Underflow)
{
/* The underflow exception is masked. */
EXCEPTION(EX_Precision);
@@ -651,7 +651,7 @@ asmlinkage int arith_underflow(FPU_REG *dest)
void FPU_stack_overflow(void)
{
- if ( control_word & CW_Invalid )
+ if (control_word & CW_Invalid)
{
/* The masked response */
top--;
@@ -668,7 +668,7 @@ void FPU_stack_overflow(void)
void FPU_stack_underflow(void)
{
- if ( control_word & CW_Invalid )
+ if (control_word & CW_Invalid)
{
/* The masked response */
FPU_copy_to_reg0(&CONST_QNaN, TAG_Special);
@@ -684,7 +684,7 @@ void FPU_stack_underflow(void)
void FPU_stack_underflow_i(int i)
{
- if ( control_word & CW_Invalid )
+ if (control_word & CW_Invalid)
{
/* The masked response */
FPU_copy_to_regi(&CONST_QNaN, TAG_Special, i);
@@ -700,7 +700,7 @@ void FPU_stack_underflow_i(int i)
void FPU_stack_underflow_pop(int i)
{
- if ( control_word & CW_Invalid )
+ if (control_word & CW_Invalid)
{
/* The masked response */
FPU_copy_to_regi(&CONST_QNaN, TAG_Special, i);
--
1.5.4.rc3
--
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