Commit 3f135530 authored by Shane McDonald's avatar Shane McDonald Committed by Ralf Baechle

MIPS: Coding style cleanups of access of FCSR rounding mode bits

Replaces references to the magic number 0x3 with constants and macros
indicating the real purpose of those bits.  They are the rounding mode
bits of the FCSR register.
Signed-off-by: default avatarShane McDonald <mcdonald.shane@gmail.com>
To: anemo@mba.ocn.ne.jp
To: kevink@paralogos.com
To: linux-mips@linux-mips.org
To: sshtylyov@mvista.com
Patchwork: http://patchwork.linux-mips.org/patch/1206/Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent c197da91
......@@ -354,7 +354,8 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx)
if (MIPSInst_RD(ir) == FPCREG_CSR) {
value = ctx->fcr31;
value = (value & ~0x3) | mips_rm[value & 0x3];
value = (value & ~FPU_CSR_RM) |
mips_rm[modeindex(value)];
#ifdef CSRTRACE
printk("%p gpr[%d]<-csr=%08x\n",
(void *) (xcp->cp0_epc),
......@@ -907,7 +908,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
ieee754sp fs;
SPFROMREG(fs, MIPSInst_FS(ir));
ieee754_csr.rm = ieee_rm[MIPSInst_FUNC(ir) & 0x3];
ieee754_csr.rm = ieee_rm[modeindex(MIPSInst_FUNC(ir))];
rv.w = ieee754sp_tint(fs);
ieee754_csr.rm = oldrm;
rfmt = w_fmt;
......@@ -933,7 +934,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
ieee754sp fs;
SPFROMREG(fs, MIPSInst_FS(ir));
ieee754_csr.rm = ieee_rm[MIPSInst_FUNC(ir) & 0x3];
ieee754_csr.rm = ieee_rm[modeindex(MIPSInst_FUNC(ir))];
rv.l = ieee754sp_tlong(fs);
ieee754_csr.rm = oldrm;
rfmt = l_fmt;
......@@ -1081,7 +1082,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
ieee754dp fs;
DPFROMREG(fs, MIPSInst_FS(ir));
ieee754_csr.rm = ieee_rm[MIPSInst_FUNC(ir) & 0x3];
ieee754_csr.rm = ieee_rm[modeindex(MIPSInst_FUNC(ir))];
rv.w = ieee754dp_tint(fs);
ieee754_csr.rm = oldrm;
rfmt = w_fmt;
......@@ -1107,7 +1108,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
ieee754dp fs;
DPFROMREG(fs, MIPSInst_FS(ir));
ieee754_csr.rm = ieee_rm[MIPSInst_FUNC(ir) & 0x3];
ieee754_csr.rm = ieee_rm[modeindex(MIPSInst_FUNC(ir))];
rv.l = ieee754dp_tlong(fs);
ieee754_csr.rm = oldrm;
rfmt = l_fmt;
......
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