Merge commit 'v2.6.28-rc8' into x86/doc

[sfrench/cifs-2.6.git] / arch / mips / math-emu / cp1emu.c

diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index 17419e11ecad761e2db48990c91997a51b27d2a3..890f77927d628b0c203c92c7712415a9c52a819f 100644 (file)
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -48,7 +48,6 @@
 #include <asm/branch.h>
 
 #include "ieee754.h"
-#include "dsemul.h"
 
 /* Strap kernel emulator for full MIPS IV emulation */
 
@@ -178,24 +177,24 @@ static int isBranchInstr(mips_instruction * i)
 #define FR_BIT 0
 #endif
 
-#define SIFROMREG(si,x)        ((si) = \
+#define SIFROMREG(si, x) ((si) = \
                        (xcp->cp0_status & FR_BIT) || !(x & 1) ? \
                        (int)ctx->fpr[x] : \
                        (int)(ctx->fpr[x & ~1] >> 32 ))
-#define SITOREG(si,x)  (ctx->fpr[x & ~((xcp->cp0_status & FR_BIT) == 0)] = \
+#define SITOREG(si, x) (ctx->fpr[x & ~((xcp->cp0_status & FR_BIT) == 0)] = \
                        (xcp->cp0_status & FR_BIT) || !(x & 1) ? \
                        ctx->fpr[x & ~1] >> 32 << 32 | (u32)(si) : \
                        ctx->fpr[x & ~1] << 32 >> 32 | (u64)(si) << 32)
 
-#define DIFROMREG(di,x)        ((di) = \
+#define DIFROMREG(di, x) ((di) = \
                        ctx->fpr[x & ~((xcp->cp0_status & FR_BIT) == 0)])
-#define DITOREG(di,x)  (ctx->fpr[x & ~((xcp->cp0_status & FR_BIT) == 0)] \
+#define DITOREG(di, x) (ctx->fpr[x & ~((xcp->cp0_status & FR_BIT) == 0)] \
                        = (di))
 
-#define SPFROMREG(sp,x)        SIFROMREG((sp).bits,x)
-#define SPTOREG(sp,x)  SITOREG((sp).bits,x)
-#define DPFROMREG(dp,x)        DIFROMREG((dp).bits,x)
-#define DPTOREG(dp,x)  DITOREG((dp).bits,x)
+#define SPFROMREG(sp, x) SIFROMREG((sp).bits, x)
+#define SPTOREG(sp, x) SITOREG((sp).bits, x)
+#define DPFROMREG(dp, x)       DIFROMREG((dp).bits, x)
+#define DPTOREG(dp, x) DITOREG((dp).bits, x)
 
 /*
  * Emulate the single floating point instruction pointed at by EPC.
@@ -346,9 +345,6 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx)
                        /* cop control register rd -> gpr[rt] */
                        u32 value;
 
-                       if (ir == CP1UNDEF) {
-                               return do_dsemulret(xcp);
-                       }
                        if (MIPSInst_RD(ir) == FPCREG_CSR) {
                                value = ctx->fcr31;
                                value = (value & ~0x3) | mips_rm[value & 0x3];
@@ -549,16 +545,16 @@ static const unsigned char cmptab[8] = {
  */
 
 #define DEF3OP(name, p, f1, f2, f3) \
-static ieee754##p fpemu_##p##_##name (ieee754##p r, ieee754##p s, \
+static ieee754##p fpemu_##p##_##name(ieee754##p r, ieee754##p s, \
     ieee754##p t) \
 { \
        struct _ieee754_csr ieee754_csr_save; \
-       s = f1 (s, t); \
+       s = f1(s, t); \
        ieee754_csr_save = ieee754_csr; \
-       s = f2 (s, r); \
+       s = f2(s, r); \
        ieee754_csr_save.cx |= ieee754_csr.cx; \
        ieee754_csr_save.sx |= ieee754_csr.sx; \
-       s = f3 (s); \
+       s = f3(s); \
        ieee754_csr.cx |= ieee754_csr_save.cx; \
        ieee754_csr.sx |= ieee754_csr_save.sx; \
        return s; \
@@ -584,12 +580,12 @@ static ieee754sp fpemu_sp_rsqrt(ieee754sp s)
        return ieee754sp_div(ieee754sp_one(0), ieee754sp_sqrt(s));
 }
 
-DEF3OP(madd, sp, ieee754sp_mul, ieee754sp_add,);
-DEF3OP(msub, sp, ieee754sp_mul, ieee754sp_sub,);
+DEF3OP(madd, sp, ieee754sp_mul, ieee754sp_add, );
+DEF3OP(msub, sp, ieee754sp_mul, ieee754sp_sub, );
 DEF3OP(nmadd, sp, ieee754sp_mul, ieee754sp_add, ieee754sp_neg);
 DEF3OP(nmsub, sp, ieee754sp_mul, ieee754sp_sub, ieee754sp_neg);
-DEF3OP(madd, dp, ieee754dp_mul, ieee754dp_add,);
-DEF3OP(msub, dp, ieee754dp_mul, ieee754dp_sub,);
+DEF3OP(madd, dp, ieee754dp_mul, ieee754dp_add, );
+DEF3OP(msub, dp, ieee754dp_mul, ieee754dp_sub, );
 DEF3OP(nmadd, dp, ieee754dp_mul, ieee754dp_add, ieee754dp_neg);
 DEF3OP(nmsub, dp, ieee754dp_mul, ieee754dp_sub, ieee754dp_neg);
 
@@ -1299,12 +1295,12 @@ static int __init debugfs_fpuemu(void)
        if (!mips_debugfs_dir)
                return -ENODEV;
        dir = debugfs_create_dir("fpuemustats", mips_debugfs_dir);
-       if (IS_ERR(dir))
-               return PTR_ERR(dir);
+       if (!dir)
+               return -ENOMEM;
        for (i = 0; i < ARRAY_SIZE(vars); i++) {
                d = debugfs_create_u32(vars[i].name, S_IRUGO, dir, vars[i].v);
-               if (IS_ERR(d))
-                       return PTR_ERR(d);
+               if (!d)
+                       return -ENOMEM;
        }
        return 0;
 }