X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Fx86%2Fmath-emu%2Ffpu_etc.c;h=233e5af566f5123d53e0f8794c75c6af3f23fb89;hb=f20e3b5fe7ead0615309433260b9784d8da0bbbd;hp=e3b5d465587f2a848a69890dd0d952dd9bed87c4;hpb=95b00786f3b8fa99f53931361beeb4c10504ad87;p=linux-2.6-omap-h63xx.git

diff --git a/arch/x86/math-emu/fpu_etc.c b/arch/x86/math-emu/fpu_etc.c
index e3b5d465587..233e5af566f 100644
--- a/arch/x86/math-emu/fpu_etc.c
+++ b/arch/x86/math-emu/fpu_etc.c
@@ -16,128 +16,115 @@
 #include "status_w.h"
 #include "reg_constant.h"
 
-
 static void fchs(FPU_REG *st0_ptr, u_char st0tag)
 {
-  if ( st0tag ^ TAG_Empty )
-    {
-      signbyte(st0_ptr) ^= SIGN_NEG;
-      clear_C1();
-    }
-  else
-    FPU_stack_underflow();
+	if (st0tag ^ TAG_Empty) {
+		signbyte(st0_ptr) ^= SIGN_NEG;
+		clear_C1();
+	} else
+		FPU_stack_underflow();
 }
 
-
 static void fabs(FPU_REG *st0_ptr, u_char st0tag)
 {
-  if ( st0tag ^ TAG_Empty )
-    {
-      setpositive(st0_ptr);
-      clear_C1();
-    }
-  else
-    FPU_stack_underflow();
+	if (st0tag ^ TAG_Empty) {
+		setpositive(st0_ptr);
+		clear_C1();
+	} else
+		FPU_stack_underflow();
 }
 
-
 static void ftst_(FPU_REG *st0_ptr, u_char st0tag)
 {
-  switch (st0tag)
-    {
-    case TAG_Zero:
-      setcc(SW_C3);
-      break;
-    case TAG_Valid:
-      if (getsign(st0_ptr) == SIGN_POS)
-        setcc(0);
-      else
-        setcc(SW_C0);
-      break;
-    case TAG_Special:
-      switch ( FPU_Special(st0_ptr) )
-	{
-	case TW_Denormal:
-	  if (getsign(st0_ptr) == SIGN_POS)
-	    setcc(0);
-	  else
-	    setcc(SW_C0);
-	  if ( denormal_operand() < 0 )
-	    {
-#ifdef PECULIAR_486
-	      /* This is weird! */
-	      if (getsign(st0_ptr) == SIGN_POS)
+	switch (st0tag) {
+	case TAG_Zero:
 		setcc(SW_C3);
+		break;
+	case TAG_Valid:
+		if (getsign(st0_ptr) == SIGN_POS)
+			setcc(0);
+		else
+			setcc(SW_C0);
+		break;
+	case TAG_Special:
+		switch (FPU_Special(st0_ptr)) {
+		case TW_Denormal:
+			if (getsign(st0_ptr) == SIGN_POS)
+				setcc(0);
+			else
+				setcc(SW_C0);
+			if (denormal_operand() < 0) {
+#ifdef PECULIAR_486
+				/* This is weird! */
+				if (getsign(st0_ptr) == SIGN_POS)
+					setcc(SW_C3);
 #endif /* PECULIAR_486 */
-	      return;
-	    }
-	  break;
-	case TW_NaN:
-	  setcc(SW_C0|SW_C2|SW_C3);   /* Operand is not comparable */ 
-	  EXCEPTION(EX_Invalid);
-	  break;
-	case TW_Infinity:
-	  if (getsign(st0_ptr) == SIGN_POS)
-	    setcc(0);
-	  else
-	    setcc(SW_C0);
-	  break;
-	default:
-	  setcc(SW_C0|SW_C2|SW_C3);   /* Operand is not comparable */ 
-	  EXCEPTION(EX_INTERNAL|0x14);
-	  break;
+				return;
+			}
+			break;
+		case TW_NaN:
+			setcc(SW_C0 | SW_C2 | SW_C3);	/* Operand is not comparable */
+			EXCEPTION(EX_Invalid);
+			break;
+		case TW_Infinity:
+			if (getsign(st0_ptr) == SIGN_POS)
+				setcc(0);
+			else
+				setcc(SW_C0);
+			break;
+		default:
+			setcc(SW_C0 | SW_C2 | SW_C3);	/* Operand is not comparable */
+			EXCEPTION(EX_INTERNAL | 0x14);
+			break;
+		}
+		break;
+	case TAG_Empty:
+		setcc(SW_C0 | SW_C2 | SW_C3);
+		EXCEPTION(EX_StackUnder);
+		break;
 	}
-      break;
-    case TAG_Empty:
-      setcc(SW_C0|SW_C2|SW_C3);
-      EXCEPTION(EX_StackUnder);
-      break;
-    }
 }
 
-
 static void fxam(FPU_REG *st0_ptr, u_char st0tag)
 {
-  int c = 0;
-  switch (st0tag)
-    {
-    case TAG_Empty:
-      c = SW_C3|SW_C0;
-      break;
-    case TAG_Zero:
-      c = SW_C3;
-      break;
-    case TAG_Valid:
-      c = SW_C2;
-      break;
-    case TAG_Special:
-      switch ( FPU_Special(st0_ptr) )
-	{
-	case TW_Denormal:
-	  c = SW_C2|SW_C3;  /* Denormal */
-	  break;
-	case TW_NaN:
-	  /* We also use NaN for unsupported types. */
-	  if ( (st0_ptr->sigh & 0x80000000) && (exponent(st0_ptr) == EXP_OVER) )
-	    c = SW_C0;
-	  break;
-	case TW_Infinity:
-	  c = SW_C2|SW_C0;
-	  break;
+	int c = 0;
+	switch (st0tag) {
+	case TAG_Empty:
+		c = SW_C3 | SW_C0;
+		break;
+	case TAG_Zero:
+		c = SW_C3;
+		break;
+	case TAG_Valid:
+		c = SW_C2;
+		break;
+	case TAG_Special:
+		switch (FPU_Special(st0_ptr)) {
+		case TW_Denormal:
+			c = SW_C2 | SW_C3;	/* Denormal */
+			break;
+		case TW_NaN:
+			/* We also use NaN for unsupported types. */
+			if ((st0_ptr->sigh & 0x80000000)
+			    && (exponent(st0_ptr) == EXP_OVER))
+				c = SW_C0;
+			break;
+		case TW_Infinity:
+			c = SW_C2 | SW_C0;
+			break;
+		}
 	}
-    }
-  if ( getsign(st0_ptr) == SIGN_NEG )
-    c |= SW_C1;
-  setcc(c);
+	if (getsign(st0_ptr) == SIGN_NEG)
+		c |= SW_C1;
+	setcc(c);
 }
 
-
 static FUNC_ST0 const fp_etc_table[] = {
-  fchs, fabs, (FUNC_ST0)FPU_illegal, (FUNC_ST0)FPU_illegal,
-  ftst_, fxam, (FUNC_ST0)FPU_illegal, (FUNC_ST0)FPU_illegal
+	fchs, fabs, (FUNC_ST0) FPU_illegal, (FUNC_ST0) FPU_illegal,
+	ftst_, fxam, (FUNC_ST0) FPU_illegal, (FUNC_ST0) FPU_illegal
 };
 
 void FPU_etc(void)
 {
-  (fp_etc_table[FPU_rm])(&st(0), FPU_gettag0());
+	(fp_etc_table[FPU_rm]) (&st(0), FPU_gettag0());
 }