Re: [PATCH 2/2] MIPS: math-emu: Use preferred flavor of unsigned integer declarations

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On Fri, Oct 06, 2017 at 07:29:01PM +0200, Aleksandar Markovic wrote:
> From: Aleksandar Markovic <aleksandar.markovic@xxxxxxxxxx>
> 
> Fix occurences of unsigned integer declarations that are not
> preferred by standards of checkpatch scripts. This removes
> significant number of checkpatch warnings in math-emu
> directory (several files will become completely warning-free),
> and thus makes easier to spot (now and in the future) other
> perhaps more significant checkpatch errors and warnings.
> 
> Signed-off-by: Aleksandar Markovic <aleksandar.markovic@xxxxxxxxxx>

Reviewed-by: James Hogan <jhogan@xxxxxxxxxx>

Cheers
James

> ---
>  arch/mips/math-emu/cp1emu.c     | 18 ++++++++++--------
>  arch/mips/math-emu/dp_maddf.c   |  8 ++++----
>  arch/mips/math-emu/dp_mul.c     |  8 ++++----
>  arch/mips/math-emu/dp_sqrt.c    |  4 ++--
>  arch/mips/math-emu/ieee754.h    | 15 ++++++++-------
>  arch/mips/math-emu/ieee754int.h |  6 +++---
>  arch/mips/math-emu/ieee754sp.c  |  4 ++--
>  arch/mips/math-emu/ieee754sp.h  |  2 +-
>  arch/mips/math-emu/sp_div.c     |  4 ++--
>  arch/mips/math-emu/sp_fint.c    |  2 +-
>  arch/mips/math-emu/sp_maddf.c   |  6 +++---
>  arch/mips/math-emu/sp_mul.c     | 10 +++++-----
>  12 files changed, 45 insertions(+), 42 deletions(-)
> 
> diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
> index d2fcb30..9f145e1 100644
> --- a/arch/mips/math-emu/cp1emu.c
> +++ b/arch/mips/math-emu/cp1emu.c
> @@ -810,7 +810,7 @@ do {									\
>  #define SITOREG(si, x)							\
>  do {									\
>  	if (cop1_64bit(xcp) && !hybrid_fprs()) {			\
> -		unsigned i;						\
> +		unsigned int i;						\
>  		set_fpr32(&ctx->fpr[x], 0, si);				\
>  		for (i = 1; i < ARRAY_SIZE(ctx->fpr[x].val32); i++)	\
>  			set_fpr32(&ctx->fpr[x], i, 0);			\
> @@ -823,7 +823,7 @@ do {									\
>  
>  #define SITOHREG(si, x)							\
>  do {									\
> -	unsigned i;							\
> +	unsigned int i;							\
>  	set_fpr32(&ctx->fpr[x], 1, si);					\
>  	for (i = 2; i < ARRAY_SIZE(ctx->fpr[x].val32); i++)		\
>  		set_fpr32(&ctx->fpr[x], i, 0);				\
> @@ -834,7 +834,7 @@ do {									\
>  
>  #define DITOREG(di, x)							\
>  do {									\
> -	unsigned fpr, i;						\
> +	unsigned int fpr, i;						\
>  	fpr = (x) & ~(cop1_64bit(xcp) ^ 1);				\
>  	set_fpr64(&ctx->fpr[fpr], 0, di);				\
>  	for (i = 1; i < ARRAY_SIZE(ctx->fpr[x].val64); i++)		\
> @@ -1465,7 +1465,7 @@ DEF3OP(nmsub, dp, ieee754dp_mul, ieee754dp_sub, ieee754dp_neg);
>  static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
>  	mips_instruction ir, void __user **fault_addr)
>  {
> -	unsigned rcsr = 0;	/* resulting csr */
> +	unsigned int rcsr = 0;	/* resulting csr */
>  
>  	MIPS_FPU_EMU_INC_STATS(cp1xops);
>  
> @@ -1661,10 +1661,10 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
>  	mips_instruction ir)
>  {
>  	int rfmt;		/* resulting format */
> -	unsigned rcsr = 0;	/* resulting csr */
> +	unsigned int rcsr = 0;	/* resulting csr */
>  	unsigned int oldrm;
>  	unsigned int cbit;
> -	unsigned cond;
> +	unsigned int cond;
>  	union {
>  		union ieee754dp d;
>  		union ieee754sp s;
> @@ -2029,9 +2029,10 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
>  
>  		default:
>  			if (!NO_R6EMU && MIPSInst_FUNC(ir) >= fcmp_op) {
> -				unsigned cmpop = MIPSInst_FUNC(ir) - fcmp_op;
> +				unsigned int cmpop;
>  				union ieee754sp fs, ft;
>  
> +				cmpop = MIPSInst_FUNC(ir) - fcmp_op;
>  				SPFROMREG(fs, MIPSInst_FS(ir));
>  				SPFROMREG(ft, MIPSInst_FT(ir));
>  				rv.w = ieee754sp_cmp(fs, ft,
> @@ -2379,9 +2380,10 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
>  
>  		default:
>  			if (!NO_R6EMU && MIPSInst_FUNC(ir) >= fcmp_op) {
> -				unsigned cmpop = MIPSInst_FUNC(ir) - fcmp_op;
> +				unsigned int cmpop;
>  				union ieee754dp fs, ft;
>  
> +				cmpop = MIPSInst_FUNC(ir) - fcmp_op;
>  				DPFROMREG(fs, MIPSInst_FS(ir));
>  				DPFROMREG(ft, MIPSInst_FT(ir));
>  				rv.w = ieee754dp_cmp(fs, ft,
> diff --git a/arch/mips/math-emu/dp_maddf.c b/arch/mips/math-emu/dp_maddf.c
> index e0d9be5..7ad79ed 100644
> --- a/arch/mips/math-emu/dp_maddf.c
> +++ b/arch/mips/math-emu/dp_maddf.c
> @@ -45,10 +45,10 @@ static union ieee754dp _dp_maddf(union ieee754dp z, union ieee754dp x,
>  {
>  	int re;
>  	int rs;
> -	unsigned lxm;
> -	unsigned hxm;
> -	unsigned lym;
> -	unsigned hym;
> +	unsigned int lxm;
> +	unsigned int hxm;
> +	unsigned int lym;
> +	unsigned int hym;
>  	u64 lrm;
>  	u64 hrm;
>  	u64 lzm;
> diff --git a/arch/mips/math-emu/dp_mul.c b/arch/mips/math-emu/dp_mul.c
> index 87d0b44..60c8bfe 100644
> --- a/arch/mips/math-emu/dp_mul.c
> +++ b/arch/mips/math-emu/dp_mul.c
> @@ -26,10 +26,10 @@ union ieee754dp ieee754dp_mul(union ieee754dp x, union ieee754dp y)
>  	int re;
>  	int rs;
>  	u64 rm;
> -	unsigned lxm;
> -	unsigned hxm;
> -	unsigned lym;
> -	unsigned hym;
> +	unsigned int lxm;
> +	unsigned int hxm;
> +	unsigned int lym;
> +	unsigned int hym;
>  	u64 lrm;
>  	u64 hrm;
>  	u64 t;
> diff --git a/arch/mips/math-emu/dp_sqrt.c b/arch/mips/math-emu/dp_sqrt.c
> index cd5bc08..cea907b 100644
> --- a/arch/mips/math-emu/dp_sqrt.c
> +++ b/arch/mips/math-emu/dp_sqrt.c
> @@ -21,7 +21,7 @@
>  
>  #include "ieee754dp.h"
>  
> -static const unsigned table[] = {
> +static const unsigned int table[] = {
>  	0, 1204, 3062, 5746, 9193, 13348, 18162, 23592,
>  	29598, 36145, 43202, 50740, 58733, 67158, 75992,
>  	85215, 83599, 71378, 60428, 50647, 41945, 34246,
> @@ -33,7 +33,7 @@ union ieee754dp ieee754dp_sqrt(union ieee754dp x)
>  {
>  	struct _ieee754_csr oldcsr;
>  	union ieee754dp y, z, t;
> -	unsigned scalx, yh;
> +	unsigned int scalx, yh;
>  	COMPXDP;
>  
>  	EXPLODEXDP;
> diff --git a/arch/mips/math-emu/ieee754.h b/arch/mips/math-emu/ieee754.h
> index 92dc8fa..e0eb7a9 100644
> --- a/arch/mips/math-emu/ieee754.h
> +++ b/arch/mips/math-emu/ieee754.h
> @@ -165,11 +165,12 @@ struct _ieee754_csr {
>  };
>  #define ieee754_csr (*(struct _ieee754_csr *)(&current->thread.fpu.fcr31))
>  
> -static inline unsigned ieee754_getrm(void)
> +static inline unsigned int ieee754_getrm(void)
>  {
>  	return (ieee754_csr.rm);
>  }
> -static inline unsigned ieee754_setrm(unsigned rm)
> +
> +static inline unsigned int ieee754_setrm(unsigned int rm)
>  {
>  	return (ieee754_csr.rm = rm);
>  }
> @@ -177,14 +178,14 @@ static inline unsigned ieee754_setrm(unsigned rm)
>  /*
>   * get current exceptions
>   */
> -static inline unsigned ieee754_getcx(void)
> +static inline unsigned int ieee754_getcx(void)
>  {
>  	return (ieee754_csr.cx);
>  }
>  
>  /* test for current exception condition
>   */
> -static inline int ieee754_cxtest(unsigned n)
> +static inline int ieee754_cxtest(unsigned int n)
>  {
>  	return (ieee754_csr.cx & n);
>  }
> @@ -192,21 +193,21 @@ static inline int ieee754_cxtest(unsigned n)
>  /*
>   * get sticky exceptions
>   */
> -static inline unsigned ieee754_getsx(void)
> +static inline unsigned int ieee754_getsx(void)
>  {
>  	return (ieee754_csr.sx);
>  }
>  
>  /* clear sticky conditions
>  */
> -static inline unsigned ieee754_clrsx(void)
> +static inline unsigned int ieee754_clrsx(void)
>  {
>  	return (ieee754_csr.sx = 0);
>  }
>  
>  /* test for sticky exception condition
>   */
> -static inline int ieee754_sxtest(unsigned n)
> +static inline int ieee754_sxtest(unsigned int n)
>  {
>  	return (ieee754_csr.sx & n);
>  }
> diff --git a/arch/mips/math-emu/ieee754int.h b/arch/mips/math-emu/ieee754int.h
> index dd2071f..06ac0e2 100644
> --- a/arch/mips/math-emu/ieee754int.h
> +++ b/arch/mips/math-emu/ieee754int.h
> @@ -54,13 +54,13 @@ static inline int ieee754_class_nan(int xc)
>  }
>  
>  #define COMPXSP \
> -	unsigned xm; int xe; int xs __maybe_unused; int xc
> +	unsigned int xm; int xe; int xs __maybe_unused; int xc
>  
>  #define COMPYSP \
> -	unsigned ym; int ye; int ys; int yc
> +	unsigned int ym; int ye; int ys; int yc
>  
>  #define COMPZSP \
> -	unsigned zm; int ze; int zs; int zc
> +	unsigned int zm; int ze; int zs; int zc
>  
>  #define EXPLODESP(v, vc, vs, ve, vm)					\
>  {									\
> diff --git a/arch/mips/math-emu/ieee754sp.c b/arch/mips/math-emu/ieee754sp.c
> index 260e6896..8423e4c 100644
> --- a/arch/mips/math-emu/ieee754sp.c
> +++ b/arch/mips/math-emu/ieee754sp.c
> @@ -65,7 +65,7 @@ union ieee754sp __cold ieee754sp_nanxcpt(union ieee754sp r)
>  	return r;
>  }
>  
> -static unsigned ieee754sp_get_rounding(int sn, unsigned xm)
> +static unsigned int ieee754sp_get_rounding(int sn, unsigned int xm)
>  {
>  	/* inexact must round of 3 bits
>  	 */
> @@ -96,7 +96,7 @@ static unsigned ieee754sp_get_rounding(int sn, unsigned xm)
>   * xe is an unbiased exponent
>   * xm is 3bit extended precision value.
>   */
> -union ieee754sp ieee754sp_format(int sn, int xe, unsigned xm)
> +union ieee754sp ieee754sp_format(int sn, int xe, unsigned int xm)
>  {
>  	assert(xm);		/* we don't gen exact zeros (probably should) */
>  
> diff --git a/arch/mips/math-emu/ieee754sp.h b/arch/mips/math-emu/ieee754sp.h
> index 0f63e42..8c5a638 100644
> --- a/arch/mips/math-emu/ieee754sp.h
> +++ b/arch/mips/math-emu/ieee754sp.h
> @@ -69,7 +69,7 @@ static inline int ieee754sp_finite(union ieee754sp x)
>  #define SPDNORMY	SPDNORMx(ym, ye)
>  #define SPDNORMZ	SPDNORMx(zm, ze)
>  
> -static inline union ieee754sp buildsp(int s, int bx, unsigned m)
> +static inline union ieee754sp buildsp(int s, int bx, unsigned int m)
>  {
>  	union ieee754sp r;
>  
> diff --git a/arch/mips/math-emu/sp_div.c b/arch/mips/math-emu/sp_div.c
> index 27f6db3..23587b3 100644
> --- a/arch/mips/math-emu/sp_div.c
> +++ b/arch/mips/math-emu/sp_div.c
> @@ -23,9 +23,9 @@
>  
>  union ieee754sp ieee754sp_div(union ieee754sp x, union ieee754sp y)
>  {
> -	unsigned rm;
> +	unsigned int rm;
>  	int re;
> -	unsigned bm;
> +	unsigned int bm;
>  
>  	COMPXSP;
>  	COMPYSP;
> diff --git a/arch/mips/math-emu/sp_fint.c b/arch/mips/math-emu/sp_fint.c
> index d5d8495..1a35d12 100644
> --- a/arch/mips/math-emu/sp_fint.c
> +++ b/arch/mips/math-emu/sp_fint.c
> @@ -23,7 +23,7 @@
>  
>  union ieee754sp ieee754sp_fint(int x)
>  {
> -	unsigned xm;
> +	unsigned int xm;
>  	int xe;
>  	int xs;
>  
> diff --git a/arch/mips/math-emu/sp_maddf.c b/arch/mips/math-emu/sp_maddf.c
> index 7195fe7..f823338 100644
> --- a/arch/mips/math-emu/sp_maddf.c
> +++ b/arch/mips/math-emu/sp_maddf.c
> @@ -20,9 +20,9 @@ static union ieee754sp _sp_maddf(union ieee754sp z, union ieee754sp x,
>  {
>  	int re;
>  	int rs;
> -	unsigned rm;
> -	uint64_t rm64;
> -	uint64_t zm64;
> +	unsigned int rm;
> +	u64 rm64;
> +	u64 zm64;
>  	int s;
>  
>  	COMPXSP;
> diff --git a/arch/mips/math-emu/sp_mul.c b/arch/mips/math-emu/sp_mul.c
> index d910c43..4015101 100644
> --- a/arch/mips/math-emu/sp_mul.c
> +++ b/arch/mips/math-emu/sp_mul.c
> @@ -25,15 +25,15 @@ union ieee754sp ieee754sp_mul(union ieee754sp x, union ieee754sp y)
>  {
>  	int re;
>  	int rs;
> -	unsigned rm;
> +	unsigned int rm;
>  	unsigned short lxm;
>  	unsigned short hxm;
>  	unsigned short lym;
>  	unsigned short hym;
> -	unsigned lrm;
> -	unsigned hrm;
> -	unsigned t;
> -	unsigned at;
> +	unsigned int lrm;
> +	unsigned int hrm;
> +	unsigned int t;
> +	unsigned int at;
>  
>  	COMPXSP;
>  	COMPYSP;
> -- 
> 2.7.4
> 


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