Re: [PATCH] Fixed Conditional white space problems

Eric Rost
2014-09-28T23:35:39Z

I think I stepped in it over my head. I'm going to let someone else
handle this one and see if I can find something less odd.

On Sun, 2014-09-28 at 16:27 -0700, Joe Perches wrote:
> On Sun, 2014-09-28 at 18:53 -0400, Jason Cooper wrote:
> > On Sun, Sep 28, 2014 at 06:01:01PM -0400, Greg KH wrote:
> > > On Sun, Sep 28, 2014 at 04:54:26PM -0500, Eric Rost wrote:
> > > > My first patch, resent to appropriate multiple addresses!
> > >
> > > That's great, but it doesn't belong here in the body of the changelog :)
> > >
> > > > This patch fixes the following checkpatch.pl Warnings:
> > > >
> > > > WARNING: suspect code indent for conditional statements (16, 16)
> > > > + for (r = 1; r < 2 * RCNT; r += 2 * SKEIN_UNROLL_512)
> > > > [...]
> > > > + {
> > > >
> > > > WARNING: suspect code indent for conditional statements (16, 16)
> > > > + for (r = 1; r <= 2 * RCNT; r += 2 * SKEIN_UNROLL_1024)
> > > > [...]
> > > > + {
> > >
> > > Your subject should give a clue as to what part of the kernel it
> > > modifies, for this patch, it might look like:
> > > staging: skein: fixed conditional...
> > >
> > > Care to fix that up and resend?
> >
> > With Greg's comments addressed,
> >
> > Acked-by: Jason Cooper <jason@lakedaemon.net>
>
> Actually, I think these are false positives due to
> the odd #ifdef uses.
>
> Were I to try to make it more kernel style like,
> I'd end up doing something like this:
>
> Expand multiple statements on a line
> Neaten #defines
> Whitespace changes and alignment
> Multi-statement macros should use do {} while (0)
>
> ---
> drivers/staging/skein/skein_block.c | 827 +++++++++++++++++++-----------------
> 1 file changed, 440 insertions(+), 387 deletions(-)
>
> diff --git a/drivers/staging/skein/skein_block.c b/drivers/staging/skein/skein_block.c
> index 616364f..a4f2aef 100644
> --- a/drivers/staging/skein/skein_block.c
> +++ b/drivers/staging/skein/skein_block.c
> @@ -1,18 +1,18 @@
> /***********************************************************************
> -**
> -** Implementation of the Skein block functions.
> -**
> -** Source code author: Doug Whiting, 2008.
> -**
> -** This algorithm and source code is released to the public domain.
> -**
> -** Compile-time switches:
> -**
> -** SKEIN_USE_ASM -- set bits (256/512/1024) to select which
> -** versions use ASM code for block processing
> -** [default: use C for all block sizes]
> -**
> -************************************************************************/
> + **
> + ** Implementation of the Skein block functions.
> + **
> + ** Source code author: Doug Whiting, 2008.
> + **
> + ** This algorithm and source code is released to the public domain.
> + **
> + ** Compile-time switches:
> + **
> + ** SKEIN_USE_ASM -- set bits (256/512/1024) to select which
> + ** versions use ASM code for block processing
> + ** [default: use C for all block sizes]
> + **
> + ************************************************************************/
>
> #include <linux/string.h>
> #include "skein.h"
> @@ -26,15 +26,18 @@
> #define SKEIN_LOOP 001 /* default: unroll 256 and 512, but not 1024 */
> #endif
>
> -#define BLK_BITS (WCNT*64) /* some useful definitions for code here */
> +#define BLK_BITS (WCNT * 64) /* some useful definitions for code here */
> #define KW_TWK_BASE (0)
> #define KW_KEY_BASE (3)
> #define ks (kw + KW_KEY_BASE)
> #define ts (kw + KW_TWK_BASE)
>
> #ifdef SKEIN_DEBUG
> -#define debug_save_tweak(ctx) { \
> - ctx->h.tweak[0] = ts[0]; ctx->h.tweak[1] = ts[1]; }
> +#define debug_save_tweak(ctx) \
> +do { \
> + ctx->h.tweak[0] = ts[0]; \
> + ctx->h.tweak[1] = ts[1]; \
> +} while (0)
> #else
> #define debug_save_tweak(ctx)
> #endif
> @@ -43,7 +46,7 @@
> #if !(SKEIN_USE_ASM & 256)
> void skein_256_process_block(struct skein_256_ctx *ctx, const u8 *blk_ptr,
> size_t blk_cnt, size_t byte_cnt_add)
> - { /* do it in C */
> +{ /* do it in C */
> enum {
> WCNT = SKEIN_256_STATE_WORDS
> };
> @@ -60,22 +63,27 @@ void skein_256_process_block(struct skein_256_ctx *ctx, const u8 *blk_ptr,
> #if (RCNT % SKEIN_UNROLL_256)
> #error "Invalid SKEIN_UNROLL_256" /* sanity check on unroll count */
> #endif
> - size_t r;
> - u64 kw[WCNT+4+RCNT*2]; /* key schedule: chaining vars + tweak + "rot"*/
> + size_t r;
> + /* key schedule: chaining vars + tweak + "rot"*/
> + u64 kw[WCNT + 4 + RCNT * 2];
> #else
> - u64 kw[WCNT+4]; /* key schedule words : chaining vars + tweak */
> + /* key schedule words : chaining vars + tweak */
> + u64 kw[WCNT + 4];
> #endif
> - u64 X0, X1, X2, X3; /* local copy of context vars, for speed */
> - u64 w[WCNT]; /* local copy of input block */
> + u64 X0, X1, X2, X3; /* local copy of context vars, for speed */
> + u64 w[WCNT]; /* local copy of input block */
> #ifdef SKEIN_DEBUG
> const u64 *X_ptr[4]; /* use for debugging (help cc put Xn in regs) */
>
> - X_ptr[0] = &X0; X_ptr[1] = &X1; X_ptr[2] = &X2; X_ptr[3] = &X3;
> + X_ptr[0] = &X0;
> + X_ptr[1] = &X1;
> + X_ptr[2] = &X2;
> + X_ptr[3] = &X3;
> #endif
> skein_assert(blk_cnt != 0); /* never call with blk_cnt == 0! */
> ts[0] = ctx->h.tweak[0];
> ts[1] = ctx->h.tweak[1];
> - do {
> + do {
> /*
> * this implementation only supports 2**64 input bytes
> * (no carry out here)
> @@ -109,118 +117,121 @@ void skein_256_process_block(struct skein_256_ctx *ctx, const u8 *blk_ptr,
>
> /* run the rounds */
>
> -#define ROUND256(p0, p1, p2, p3, ROT, r_num) \
> -do { \
> - X##p0 += X##p1; X##p1 = rotl_64(X##p1, ROT##_0); X##p1 ^= X##p0; \
> - X##p2 += X##p3; X##p3 = rotl_64(X##p3, ROT##_1); X##p3 ^= X##p2; \
> +#define ROUND256(p0, p1, p2, p3, ROT, r_num) \
> +do { \
> + X##p0 += X##p1; \
> + X##p1 = rotl_64(X##p1, ROT##_0); \
> + X##p1 ^= X##p0; \
> + X##p2 += X##p3; \
> + X##p3 = rotl_64(X##p3, ROT##_1); X##p3 ^= X##p2; \
> } while (0)
>
> #if SKEIN_UNROLL_256 == 0
> -#define R256(p0, p1, p2, p3, ROT, r_num) /* fully unrolled */ \
> -do { \
> - ROUND256(p0, p1, p2, p3, ROT, r_num); \
> - skein_show_r_ptr(BLK_BITS, &ctx->h, r_num, X_ptr); \
> +#define R256(p0, p1, p2, p3, ROT, r_num) /* fully unrolled */ \
> +do { \
> + ROUND256(p0, p1, p2, p3, ROT, r_num); \
> + skein_show_r_ptr(BLK_BITS, &ctx->h, r_num, X_ptr); \
> } while (0)
>
> -#define I256(R) \
> -do { \
> - /* inject the key schedule value */ \
> - X0 += ks[((R)+1) % 5]; \
> - X1 += ks[((R)+2) % 5] + ts[((R)+1) % 3]; \
> - X2 += ks[((R)+3) % 5] + ts[((R)+2) % 3]; \
> - X3 += ks[((R)+4) % 5] + (R)+1; \
> +#define I256(R) \
> +do { \
> + /* inject the key schedule value */ \
> + X0 += ks[((R) + 1) % 5]; \
> + X1 += ks[((R) + 2) % 5] + ts[((R) + 1) % 3]; \
> + X2 += ks[((R) + 3) % 5] + ts[((R) + 2) % 3]; \
> + X3 += ks[((R) + 4) % 5] + (R)+1; \
> skein_show_r_ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, X_ptr); \
> } while (0)
> #else /* looping version */
> -#define R256(p0, p1, p2, p3, ROT, r_num) \
> -do { \
> - ROUND256(p0, p1, p2, p3, ROT, r_num); \
> +#define R256(p0, p1, p2, p3, ROT, r_num) \
> +do { \
> + ROUND256(p0, p1, p2, p3, ROT, r_num); \
> skein_show_r_ptr(BLK_BITS, &ctx->h, 4 * (r - 1) + r_num, X_ptr); \
> } while (0)
>
> -#define I256(R) \
> -do { \
> - /* inject the key schedule value */ \
> - X0 += ks[r+(R)+0]; \
> - X1 += ks[r+(R)+1] + ts[r+(R)+0]; \
> - X2 += ks[r+(R)+2] + ts[r+(R)+1]; \
> - X3 += ks[r+(R)+3] + r+(R); \
> - /* rotate key schedule */ \
> - ks[r + (R) + 4] = ks[r + (R) - 1]; \
> - ts[r + (R) + 2] = ts[r + (R) - 1]; \
> +#define I256(R) \
> +do { \
> + /* inject the key schedule value */ \
> + X0 += ks[r+(R) + 0]; \
> + X1 += ks[r+(R) + 1] + ts[r + (R) + 0]; \
> + X2 += ks[r+(R) + 2] + ts[r + (R) + 1]; \
> + X3 += ks[r+(R) + 3] + r + (R); \
> + /* rotate key schedule */ \
> + ks[r + (R) + 4] = ks[r + (R) - 1]; \
> + ts[r + (R) + 2] = ts[r + (R) - 1]; \
> skein_show_r_ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, X_ptr); \
> } while (0)
>
> - for (r = 1; r < 2 * RCNT; r += 2 * SKEIN_UNROLL_256)
> + for (r = 1; r < 2 * RCNT; r += 2 * SKEIN_UNROLL_256)
> #endif
> {
> -#define R256_8_ROUNDS(R) \
> -do { \
> - R256(0, 1, 2, 3, R_256_0, 8 * (R) + 1); \
> - R256(0, 3, 2, 1, R_256_1, 8 * (R) + 2); \
> - R256(0, 1, 2, 3, R_256_2, 8 * (R) + 3); \
> - R256(0, 3, 2, 1, R_256_3, 8 * (R) + 4); \
> - I256(2 * (R)); \
> - R256(0, 1, 2, 3, R_256_4, 8 * (R) + 5); \
> - R256(0, 3, 2, 1, R_256_5, 8 * (R) + 6); \
> - R256(0, 1, 2, 3, R_256_6, 8 * (R) + 7); \
> - R256(0, 3, 2, 1, R_256_7, 8 * (R) + 8); \
> - I256(2 * (R) + 1); \
> +#define R256_8_ROUNDS(R) \
> +do { \
> + R256(0, 1, 2, 3, R_256_0, 8 * (R) + 1); \
> + R256(0, 3, 2, 1, R_256_1, 8 * (R) + 2); \
> + R256(0, 1, 2, 3, R_256_2, 8 * (R) + 3); \
> + R256(0, 3, 2, 1, R_256_3, 8 * (R) + 4); \
> + I256(2 * (R)); \
> + R256(0, 1, 2, 3, R_256_4, 8 * (R) + 5); \
> + R256(0, 3, 2, 1, R_256_5, 8 * (R) + 6); \
> + R256(0, 1, 2, 3, R_256_6, 8 * (R) + 7); \
> + R256(0, 3, 2, 1, R_256_7, 8 * (R) + 8); \
> + I256(2 * (R) + 1); \
> } while (0)
>
> - R256_8_ROUNDS(0);
> + R256_8_ROUNDS(0);
>
> -#define R256_UNROLL_R(NN) \
> - ((SKEIN_UNROLL_256 == 0 && \
> - SKEIN_256_ROUNDS_TOTAL/8 > (NN)) || \
> +#define R256_UNROLL_R(NN) \
> + ((SKEIN_UNROLL_256 == 0 && SKEIN_256_ROUNDS_TOTAL/8 > (NN)) || \
> (SKEIN_UNROLL_256 > (NN)))
>
> - #if R256_UNROLL_R(1)
> - R256_8_ROUNDS(1);
> - #endif
> - #if R256_UNROLL_R(2)
> - R256_8_ROUNDS(2);
> - #endif
> - #if R256_UNROLL_R(3)
> - R256_8_ROUNDS(3);
> - #endif
> - #if R256_UNROLL_R(4)
> - R256_8_ROUNDS(4);
> - #endif
> - #if R256_UNROLL_R(5)
> - R256_8_ROUNDS(5);
> - #endif
> - #if R256_UNROLL_R(6)
> - R256_8_ROUNDS(6);
> - #endif
> - #if R256_UNROLL_R(7)
> - R256_8_ROUNDS(7);
> - #endif
> - #if R256_UNROLL_R(8)
> - R256_8_ROUNDS(8);
> - #endif
> - #if R256_UNROLL_R(9)
> - R256_8_ROUNDS(9);
> - #endif
> - #if R256_UNROLL_R(10)
> - R256_8_ROUNDS(10);
> - #endif
> - #if R256_UNROLL_R(11)
> - R256_8_ROUNDS(11);
> - #endif
> - #if R256_UNROLL_R(12)
> - R256_8_ROUNDS(12);
> - #endif
> - #if R256_UNROLL_R(13)
> - R256_8_ROUNDS(13);
> - #endif
> - #if R256_UNROLL_R(14)
> - R256_8_ROUNDS(14);
> - #endif
> - #if (SKEIN_UNROLL_256 > 14)
> +#if R256_UNROLL_R(1)
> + R256_8_ROUNDS(1);
> +#endif
> +#if R256_UNROLL_R(2)
> + R256_8_ROUNDS(2);
> +#endif
> +#if R256_UNROLL_R(3)
> + R256_8_ROUNDS(3);
> +#endif
> +#if R256_UNROLL_R(4)
> + R256_8_ROUNDS(4);
> +#endif
> +#if R256_UNROLL_R(5)
> + R256_8_ROUNDS(5);
> +#endif
> +#if R256_UNROLL_R(6)
> + R256_8_ROUNDS(6);
> +#endif
> +#if R256_UNROLL_R(7)
> + R256_8_ROUNDS(7);
> +#endif
> +#if R256_UNROLL_R(8)
> + R256_8_ROUNDS(8);
> +#endif
> +#if R256_UNROLL_R(9)
> + R256_8_ROUNDS(9);
> +#endif
> +#if R256_UNROLL_R(10)
> + R256_8_ROUNDS(10);
> +#endif
> +#if R256_UNROLL_R(11)
> + R256_8_ROUNDS(11);
> +#endif
> +#if R256_UNROLL_R(12)
> + R256_8_ROUNDS(12);
> +#endif
> +#if R256_UNROLL_R(13)
> + R256_8_ROUNDS(13);
> +#endif
> +#if R256_UNROLL_R(14)
> + R256_8_ROUNDS(14);
> +#endif
> +#if (SKEIN_UNROLL_256 > 14)
> #error "need more unrolling in skein_256_process_block"
> - #endif
> +#endif
> }
> +
> /* do the final "feedforward" xor, update context chaining */
> ctx->x[0] = X0 ^ w[0];
> ctx->x[1] = X1 ^ w[1];
> @@ -231,6 +242,7 @@ do { \
>
> ts[1] &= ~SKEIN_T1_FLAG_FIRST;
> } while (--blk_cnt);
> +
> ctx->h.tweak[0] = ts[0];
> ctx->h.tweak[1] = ts[1];
> }
> @@ -238,8 +250,8 @@ do { \
> #if defined(SKEIN_CODE_SIZE) || defined(SKEIN_PERF)
> size_t skein_256_process_block_code_size(void)
> {
> - return ((u8 *) skein_256_process_block_code_size) -
> - ((u8 *) skein_256_process_block);
> + return ((u8 *)skein_256_process_block_code_size) -
> + ((u8 *)skein_256_process_block);
> }
> unsigned int skein_256_unroll_cnt(void)
> {
> @@ -260,7 +272,7 @@ void skein_512_process_block(struct skein_512_ctx *ctx, const u8 *blk_ptr,
> #define RCNT (SKEIN_512_ROUNDS_TOTAL/8)
>
> #ifdef SKEIN_LOOP /* configure how much to unroll the loop */
> -#define SKEIN_UNROLL_512 (((SKEIN_LOOP)/10)%10)
> +#define SKEIN_UNROLL_512 (((SKEIN_LOOP) / 10) % 10)
> #else
> #define SKEIN_UNROLL_512 (0)
> #endif
> @@ -269,24 +281,32 @@ void skein_512_process_block(struct skein_512_ctx *ctx, const u8 *blk_ptr,
> #if (RCNT % SKEIN_UNROLL_512)
> #error "Invalid SKEIN_UNROLL_512" /* sanity check on unroll count */
> #endif
> - size_t r;
> - u64 kw[WCNT+4+RCNT*2]; /* key sched: chaining vars + tweak + "rot"*/
> + size_t r;
> + /* key sched: chaining vars + tweak + "rot"*/
> + u64 kw[WCNT + 4 + RCNT * 2];
> #else
> - u64 kw[WCNT+4]; /* key schedule words : chaining vars + tweak */
> + /* key schedule words : chaining vars + tweak */
> + u64 kw[WCNT + 4];
> #endif
> - u64 X0, X1, X2, X3, X4, X5, X6, X7; /* local copies, for speed */
> - u64 w[WCNT]; /* local copy of input block */
> + u64 X0, X1, X2, X3, X4, X5, X6, X7; /* local copies, for speed */
> + u64 w[WCNT]; /* local copy of input block */
> #ifdef SKEIN_DEBUG
> const u64 *X_ptr[8]; /* use for debugging (help cc put Xn in regs) */
>
> - X_ptr[0] = &X0; X_ptr[1] = &X1; X_ptr[2] = &X2; X_ptr[3] = &X3;
> - X_ptr[4] = &X4; X_ptr[5] = &X5; X_ptr[6] = &X6; X_ptr[7] = &X7;
> + X_ptr[0] = &X0;
> + X_ptr[1] = &X1;
> + X_ptr[2] = &X2;
> + X_ptr[3] = &X3;
> + X_ptr[4] = &X4;
> + X_ptr[5] = &X5;
> + X_ptr[6] = &X6;
> + X_ptr[7] = &X7;
> #endif
>
> skein_assert(blk_cnt != 0); /* never call with blk_cnt == 0! */
> ts[0] = ctx->h.tweak[0];
> ts[1] = ctx->h.tweak[1];
> - do {
> + do {
> /*
> * this implementation only supports 2**64 input bytes
> * (no carry out here)
> @@ -312,141 +332,148 @@ void skein_512_process_block(struct skein_512_ctx *ctx, const u8 *blk_ptr,
> debug_save_tweak(ctx);
> skein_show_block(BLK_BITS, &ctx->h, ctx->x, blk_ptr, w, ks, ts);
>
> - X0 = w[0] + ks[0]; /* do the first full key injection */
> - X1 = w[1] + ks[1];
> - X2 = w[2] + ks[2];
> - X3 = w[3] + ks[3];
> - X4 = w[4] + ks[4];
> - X5 = w[5] + ks[5] + ts[0];
> - X6 = w[6] + ks[6] + ts[1];
> - X7 = w[7] + ks[7];
> + X0 = w[0] + ks[0]; /* do the first full key injection */
> + X1 = w[1] + ks[1];
> + X2 = w[2] + ks[2];
> + X3 = w[3] + ks[3];
> + X4 = w[4] + ks[4];
> + X5 = w[5] + ks[5] + ts[0];
> + X6 = w[6] + ks[6] + ts[1];
> + X7 = w[7] + ks[7];
>
> blk_ptr += SKEIN_512_BLOCK_BYTES;
>
> skein_show_r_ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INITIAL,
> X_ptr);
> /* run the rounds */
> -#define ROUND512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) \
> -do { \
> - X##p0 += X##p1; X##p1 = rotl_64(X##p1, ROT##_0); X##p1 ^= X##p0; \
> - X##p2 += X##p3; X##p3 = rotl_64(X##p3, ROT##_1); X##p3 ^= X##p2; \
> - X##p4 += X##p5; X##p5 = rotl_64(X##p5, ROT##_2); X##p5 ^= X##p4; \
> - X##p6 += X##p7; X##p7 = rotl_64(X##p7, ROT##_3); X##p7 ^= X##p6; \
> +#define ROUND512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) \
> +do { \
> + X##p0 += X##p1; \
> + X##p1 = rotl_64(X##p1, ROT##_0); \
> + X##p1 ^= X##p0; \
> + X##p2 += X##p3; \
> + X##p3 = rotl_64(X##p3, ROT##_1); \
> + X##p3 ^= X##p2; \
> + X##p4 += X##p5; \
> + X##p5 = rotl_64(X##p5, ROT##_2); \
> + X##p5 ^= X##p4; \
> + X##p6 += X##p7; \
> + X##p7 = rotl_64(X##p7, ROT##_3); \
> + X##p7 ^= X##p6; \
> } while (0)
>
> #if SKEIN_UNROLL_512 == 0
> #define R512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) /* unrolled */ \
> -do { \
> - ROUND512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) \
> - skein_show_r_ptr(BLK_BITS, &ctx->h, r_num, X_ptr); \
> +do { \
> + ROUND512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num); \
> + skein_show_r_ptr(BLK_BITS, &ctx->h, r_num, X_ptr); \
> } while (0)
>
> -#define I512(R) \
> -do { \
> - /* inject the key schedule value */ \
> - X0 += ks[((R) + 1) % 9]; \
> - X1 += ks[((R) + 2) % 9]; \
> - X2 += ks[((R) + 3) % 9]; \
> - X3 += ks[((R) + 4) % 9]; \
> - X4 += ks[((R) + 5) % 9]; \
> - X5 += ks[((R) + 6) % 9] + ts[((R) + 1) % 3]; \
> - X6 += ks[((R) + 7) % 9] + ts[((R) + 2) % 3]; \
> - X7 += ks[((R) + 8) % 9] + (R) + 1; \
> +#define I512(R) \
> +do { \
> + /* inject the key schedule value */ \
> + X0 += ks[((R) + 1) % 9]; \
> + X1 += ks[((R) + 2) % 9]; \
> + X2 += ks[((R) + 3) % 9]; \
> + X3 += ks[((R) + 4) % 9]; \
> + X4 += ks[((R) + 5) % 9]; \
> + X5 += ks[((R) + 6) % 9] + ts[((R) + 1) % 3]; \
> + X6 += ks[((R) + 7) % 9] + ts[((R) + 2) % 3]; \
> + X7 += ks[((R) + 8) % 9] + (R) + 1; \
> skein_show_r_ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, X_ptr); \
> } while (0)
> #else /* looping version */
> -#define R512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) \
> -do { \
> - ROUND512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num); \
> +#define R512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) \
> +do { \
> + ROUND512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num); \
> skein_show_r_ptr(BLK_BITS, &ctx->h, 4 * (r - 1) + r_num, X_ptr); \
> } while (0)
>
> -#define I512(R) \
> -do { \
> - /* inject the key schedule value */ \
> - X0 += ks[r + (R) + 0]; \
> - X1 += ks[r + (R) + 1]; \
> - X2 += ks[r + (R) + 2]; \
> - X3 += ks[r + (R) + 3]; \
> - X4 += ks[r + (R) + 4]; \
> - X5 += ks[r + (R) + 5] + ts[r + (R) + 0]; \
> - X6 += ks[r + (R) + 6] + ts[r + (R) + 1]; \
> - X7 += ks[r + (R) + 7] + r + (R); \
> - /* rotate key schedule */ \
> - ks[r + (R) + 8] = ks[r + (R) - 1]; \
> - ts[r + (R) + 2] = ts[r + (R) - 1]; \
> +#define I512(R) \
> +do { \
> + /* inject the key schedule value */ \
> + X0 += ks[r + (R) + 0]; \
> + X1 += ks[r + (R) + 1]; \
> + X2 += ks[r + (R) + 2]; \
> + X3 += ks[r + (R) + 3]; \
> + X4 += ks[r + (R) + 4]; \
> + X5 += ks[r + (R) + 5] + ts[r + (R) + 0]; \
> + X6 += ks[r + (R) + 6] + ts[r + (R) + 1]; \
> + X7 += ks[r + (R) + 7] + r + (R); \
> + /* rotate key schedule */ \
> + ks[r + (R) + 8] = ks[r + (R) - 1]; \
> + ts[r + (R) + 2] = ts[r + (R) - 1]; \
> skein_show_r_ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, X_ptr); \
> } while (0)
>
> for (r = 1; r < 2 * RCNT; r += 2 * SKEIN_UNROLL_512)
> #endif /* end of looped code definitions */
> {
> -#define R512_8_ROUNDS(R) /* do 8 full rounds */ \
> -do { \
> - R512(0, 1, 2, 3, 4, 5, 6, 7, R_512_0, 8 * (R) + 1); \
> - R512(2, 1, 4, 7, 6, 5, 0, 3, R_512_1, 8 * (R) + 2); \
> - R512(4, 1, 6, 3, 0, 5, 2, 7, R_512_2, 8 * (R) + 3); \
> - R512(6, 1, 0, 7, 2, 5, 4, 3, R_512_3, 8 * (R) + 4); \
> - I512(2 * (R)); \
> - R512(0, 1, 2, 3, 4, 5, 6, 7, R_512_4, 8 * (R) + 5); \
> - R512(2, 1, 4, 7, 6, 5, 0, 3, R_512_5, 8 * (R) + 6); \
> - R512(4, 1, 6, 3, 0, 5, 2, 7, R_512_6, 8 * (R) + 7); \
> - R512(6, 1, 0, 7, 2, 5, 4, 3, R_512_7, 8 * (R) + 8); \
> - I512(2 * (R) + 1); /* and key injection */ \
> +#define R512_8_ROUNDS(R) /* do 8 full rounds */ \
> +do { \
> + R512(0, 1, 2, 3, 4, 5, 6, 7, R_512_0, 8 * (R) + 1); \
> + R512(2, 1, 4, 7, 6, 5, 0, 3, R_512_1, 8 * (R) + 2); \
> + R512(4, 1, 6, 3, 0, 5, 2, 7, R_512_2, 8 * (R) + 3); \
> + R512(6, 1, 0, 7, 2, 5, 4, 3, R_512_3, 8 * (R) + 4); \
> + I512(2 * (R)); \
> + R512(0, 1, 2, 3, 4, 5, 6, 7, R_512_4, 8 * (R) + 5); \
> + R512(2, 1, 4, 7, 6, 5, 0, 3, R_512_5, 8 * (R) + 6); \
> + R512(4, 1, 6, 3, 0, 5, 2, 7, R_512_6, 8 * (R) + 7); \
> + R512(6, 1, 0, 7, 2, 5, 4, 3, R_512_7, 8 * (R) + 8); \
> + I512(2 * (R) + 1); /* and key injection */ \
> } while (0)
>
> R512_8_ROUNDS(0);
>
> -#define R512_UNROLL_R(NN) \
> - ((SKEIN_UNROLL_512 == 0 && \
> - SKEIN_512_ROUNDS_TOTAL/8 > (NN)) || \
> - (SKEIN_UNROLL_512 > (NN)))
> +#define R512_UNROLL_R(NN) \
> + ((SKEIN_UNROLL_512 == 0 && SKEIN_512_ROUNDS_TOTAL/8 > (NN)) || \
> + (SKEIN_UNROLL_512 > (NN)))
>
> - #if R512_UNROLL_R(1)
> +#if R512_UNROLL_R(1)
> R512_8_ROUNDS(1);
> - #endif
> - #if R512_UNROLL_R(2)
> +#endif
> +#if R512_UNROLL_R(2)
> R512_8_ROUNDS(2);
> - #endif
> - #if R512_UNROLL_R(3)
> +#endif
> +#if R512_UNROLL_R(3)
> R512_8_ROUNDS(3);
> - #endif
> - #if R512_UNROLL_R(4)
> +#endif
> +#if R512_UNROLL_R(4)
> R512_8_ROUNDS(4);
> - #endif
> - #if R512_UNROLL_R(5)
> +#endif
> +#if R512_UNROLL_R(5)
> R512_8_ROUNDS(5);
> - #endif
> - #if R512_UNROLL_R(6)
> +#endif
> +#if R512_UNROLL_R(6)
> R512_8_ROUNDS(6);
> - #endif
> - #if R512_UNROLL_R(7)
> +#endif
> +#if R512_UNROLL_R(7)
> R512_8_ROUNDS(7);
> - #endif
> - #if R512_UNROLL_R(8)
> +#endif
> +#if R512_UNROLL_R(8)
> R512_8_ROUNDS(8);
> - #endif
> - #if R512_UNROLL_R(9)
> +#endif
> +#if R512_UNROLL_R(9)
> R512_8_ROUNDS(9);
> - #endif
> - #if R512_UNROLL_R(10)
> +#endif
> +#if R512_UNROLL_R(10)
> R512_8_ROUNDS(10);
> - #endif
> - #if R512_UNROLL_R(11)
> +#endif
> +#if R512_UNROLL_R(11)
> R512_8_ROUNDS(11);
> - #endif
> - #if R512_UNROLL_R(12)
> +#endif
> +#if R512_UNROLL_R(12)
> R512_8_ROUNDS(12);
> - #endif
> - #if R512_UNROLL_R(13)
> +#endif
> +#if R512_UNROLL_R(13)
> R512_8_ROUNDS(13);
> - #endif
> - #if R512_UNROLL_R(14)
> +#endif
> +#if R512_UNROLL_R(14)
> R512_8_ROUNDS(14);
> - #endif
> - #if (SKEIN_UNROLL_512 > 14)
> +#endif
> +#if (SKEIN_UNROLL_512 > 14)
> #error "need more unrolling in skein_512_process_block"
> - #endif
> +#endif
> }
>
> /* do the final "feedforward" xor, update context chaining */
> @@ -469,8 +496,8 @@ do { \
> #if defined(SKEIN_CODE_SIZE) || defined(SKEIN_PERF)
> size_t skein_512_process_block_code_size(void)
> {
> - return ((u8 *) skein_512_process_block_code_size) -
> - ((u8 *) skein_512_process_block);
> + return ((u8 *)skein_512_process_block_code_size) -
> + ((u8 *)skein_512_process_block);
> }
> unsigned int skein_512_unroll_cnt(void)
> {
> @@ -500,31 +527,43 @@ void skein_1024_process_block(struct skein_1024_ctx *ctx, const u8 *blk_ptr,
> #if (RCNT % SKEIN_UNROLL_1024)
> #error "Invalid SKEIN_UNROLL_1024" /* sanity check on unroll count */
> #endif
> - size_t r;
> - u64 kw[WCNT+4+RCNT*2]; /* key sched: chaining vars + tweak + "rot" */
> + size_t r;
> + /* key sched: chaining vars + tweak + "rot" */
> + u64 kw[WCNT + 4 + RCNT * 2];
> #else
> - u64 kw[WCNT+4]; /* key schedule words : chaining vars + tweak */
> + /* key schedule words : chaining vars + tweak */
> + u64 kw[WCNT + 4];
> #endif
>
> /* local copy of vars, for speed */
> - u64 X00, X01, X02, X03, X04, X05, X06, X07,
> - X08, X09, X10, X11, X12, X13, X14, X15;
> - u64 w[WCNT]; /* local copy of input block */
> + u64 X00, X01, X02, X03, X04, X05, X06, X07,
> + X08, X09, X10, X11, X12, X13, X14, X15;
> + u64 w[WCNT]; /* local copy of input block */
> #ifdef SKEIN_DEBUG
> const u64 *X_ptr[16]; /* use for debugging (help cc put Xn in regs) */
>
> - X_ptr[0] = &X00; X_ptr[1] = &X01; X_ptr[2] = &X02;
> - X_ptr[3] = &X03; X_ptr[4] = &X04; X_ptr[5] = &X05;
> - X_ptr[6] = &X06; X_ptr[7] = &X07; X_ptr[8] = &X08;
> - X_ptr[9] = &X09; X_ptr[10] = &X10; X_ptr[11] = &X11;
> - X_ptr[12] = &X12; X_ptr[13] = &X13; X_ptr[14] = &X14;
> + X_ptr[0] = &X00;
> + X_ptr[1] = &X01;
> + X_ptr[2] = &X02;
> + X_ptr[3] = &X03;
> + X_ptr[4] = &X04;
> + X_ptr[5] = &X05;
> + X_ptr[6] = &X06;
> + X_ptr[7] = &X07;
> + X_ptr[8] = &X08;
> + X_ptr[9] = &X09;
> + X_ptr[10] = &X10;
> + X_ptr[11] = &X11;
> + X_ptr[12] = &X12;
> + X_ptr[13] = &X13;
> + X_ptr[14] = &X14;
> X_ptr[15] = &X15;
> #endif
>
> skein_assert(blk_cnt != 0); /* never call with blk_cnt == 0! */
> ts[0] = ctx->h.tweak[0];
> ts[1] = ctx->h.tweak[1];
> - do {
> + do {
> /*
> * this implementation only supports 2**64 input bytes
> * (no carry out here)
> @@ -548,10 +587,10 @@ void skein_1024_process_block(struct skein_1024_ctx *ctx, const u8 *blk_ptr,
> ks[13] = ctx->x[13];
> ks[14] = ctx->x[14];
> ks[15] = ctx->x[15];
> - ks[16] = ks[0] ^ ks[1] ^ ks[2] ^ ks[3] ^
> - ks[4] ^ ks[5] ^ ks[6] ^ ks[7] ^
> - ks[8] ^ ks[9] ^ ks[10] ^ ks[11] ^
> - ks[12] ^ ks[13] ^ ks[14] ^ ks[15] ^ SKEIN_KS_PARITY;
> + ks[16] = ks[0] ^ ks[1] ^ ks[2] ^ ks[3] ^
> + ks[4] ^ ks[5] ^ ks[6] ^ ks[7] ^
> + ks[8] ^ ks[9] ^ ks[10] ^ ks[11] ^
> + ks[12] ^ ks[13] ^ ks[14] ^ ks[15] ^ SKEIN_KS_PARITY;
>
> ts[2] = ts[0] ^ ts[1];
>
> @@ -560,181 +599,195 @@ void skein_1024_process_block(struct skein_1024_ctx *ctx, const u8 *blk_ptr,
> debug_save_tweak(ctx);
> skein_show_block(BLK_BITS, &ctx->h, ctx->x, blk_ptr, w, ks, ts);
>
> - X00 = w[0] + ks[0]; /* do the first full key injection */
> - X01 = w[1] + ks[1];
> - X02 = w[2] + ks[2];
> - X03 = w[3] + ks[3];
> - X04 = w[4] + ks[4];
> - X05 = w[5] + ks[5];
> - X06 = w[6] + ks[6];
> - X07 = w[7] + ks[7];
> - X08 = w[8] + ks[8];
> - X09 = w[9] + ks[9];
> - X10 = w[10] + ks[10];
> - X11 = w[11] + ks[11];
> - X12 = w[12] + ks[12];
> - X13 = w[13] + ks[13] + ts[0];
> - X14 = w[14] + ks[14] + ts[1];
> - X15 = w[15] + ks[15];
> + X00 = w[0] + ks[0]; /* do the first full key injection */
> + X01 = w[1] + ks[1];
> + X02 = w[2] + ks[2];
> + X03 = w[3] + ks[3];
> + X04 = w[4] + ks[4];
> + X05 = w[5] + ks[5];
> + X06 = w[6] + ks[6];
> + X07 = w[7] + ks[7];
> + X08 = w[8] + ks[8];
> + X09 = w[9] + ks[9];
> + X10 = w[10] + ks[10];
> + X11 = w[11] + ks[11];
> + X12 = w[12] + ks[12];
> + X13 = w[13] + ks[13] + ts[0];
> + X14 = w[14] + ks[14] + ts[1];
> + X15 = w[15] + ks[15];
>
> skein_show_r_ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INITIAL,
> X_ptr);
>
> -#define ROUND1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, \
> - pF, ROT, r_num) \
> -do { \
> - X##p0 += X##p1; X##p1 = rotl_64(X##p1, ROT##_0); X##p1 ^= X##p0; \
> - X##p2 += X##p3; X##p3 = rotl_64(X##p3, ROT##_1); X##p3 ^= X##p2; \
> - X##p4 += X##p5; X##p5 = rotl_64(X##p5, ROT##_2); X##p5 ^= X##p4; \
> - X##p6 += X##p7; X##p7 = rotl_64(X##p7, ROT##_3); X##p7 ^= X##p6; \
> - X##p8 += X##p9; X##p9 = rotl_64(X##p9, ROT##_4); X##p9 ^= X##p8; \
> - X##pA += X##pB; X##pB = rotl_64(X##pB, ROT##_5); X##pB ^= X##pA; \
> - X##pC += X##pD; X##pD = rotl_64(X##pD, ROT##_6); X##pD ^= X##pC; \
> - X##pE += X##pF; X##pF = rotl_64(X##pF, ROT##_7); X##pF ^= X##pE; \
> +#define ROUND1024(p0, p1, p2, p3, p4, p5, p6, p7, \
> + p8, p9, pA, pB, pC, pD, pE, pF, ROT, r_num) \
> +do { \
> + X##p0 += X##p1; \
> + X##p1 = rotl_64(X##p1, ROT##_0); \
> + X##p1 ^= X##p0; \
> + X##p2 += X##p3; \
> + X##p3 = rotl_64(X##p3, ROT##_1); \
> + X##p3 ^= X##p2; \
> + X##p4 += X##p5; \
> + X##p5 = rotl_64(X##p5, ROT##_2); \
> + X##p5 ^= X##p4; \
> + X##p6 += X##p7; \
> + X##p7 = rotl_64(X##p7, ROT##_3); \
> + X##p7 ^= X##p6; \
> + X##p8 += X##p9; \
> + X##p9 = rotl_64(X##p9, ROT##_4); \
> + X##p9 ^= X##p8; \
> + X##pA += X##pB; \
> + X##pB = rotl_64(X##pB, ROT##_5); \
> + X##pB ^= X##pA; \
> + X##pC += X##pD; \
> + X##pD = rotl_64(X##pD, ROT##_6); \
> + X##pD ^= X##pC; \
> + X##pE += X##pF; \
> + X##pF = rotl_64(X##pF, ROT##_7); \
> + X##pF ^= X##pE; \
> } while (0)
>
> #if SKEIN_UNROLL_1024 == 0
> -#define R1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, \
> - ROT, rn) \
> -do { \
> - ROUND1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, \
> - pF, ROT, rn); \
> - skein_show_r_ptr(BLK_BITS, &ctx->h, rn, X_ptr); \
> +#define R1024(p0, p1, p2, p3, p4, p5, p6, p7, \
> + p8, p9, pA, pB, pC, pD, pE, pF, ROT, rn) \
> +do { \
> + ROUND1024(p0, p1, p2, p3, p4, p5, p6, p7, \
> + p8, p9, pA, pB, pC, pD, pE, pF, ROT, rn); \
> + skein_show_r_ptr(BLK_BITS, &ctx->h, rn, X_ptr); \
> } while (0)
>
> -#define I1024(R) \
> -do { \
> - /* inject the key schedule value */ \
> - X00 += ks[((R) + 1) % 17]; \
> - X01 += ks[((R) + 2) % 17]; \
> - X02 += ks[((R) + 3) % 17]; \
> - X03 += ks[((R) + 4) % 17]; \
> - X04 += ks[((R) + 5) % 17]; \
> - X05 += ks[((R) + 6) % 17]; \
> - X06 += ks[((R) + 7) % 17]; \
> - X07 += ks[((R) + 8) % 17]; \
> - X08 += ks[((R) + 9) % 17]; \
> - X09 += ks[((R) + 10) % 17]; \
> - X10 += ks[((R) + 11) % 17]; \
> - X11 += ks[((R) + 12) % 17]; \
> - X12 += ks[((R) + 13) % 17]; \
> - X13 += ks[((R) + 14) % 17] + ts[((R) + 1) % 3]; \
> - X14 += ks[((R) + 15) % 17] + ts[((R) + 2) % 3]; \
> - X15 += ks[((R) + 16) % 17] + (R) + 1; \
> +#define I1024(R) \
> +do { \
> + /* inject the key schedule value */ \
> + X00 += ks[((R) + 1) % 17]; \
> + X01 += ks[((R) + 2) % 17]; \
> + X02 += ks[((R) + 3) % 17]; \
> + X03 += ks[((R) + 4) % 17]; \
> + X04 += ks[((R) + 5) % 17]; \
> + X05 += ks[((R) + 6) % 17]; \
> + X06 += ks[((R) + 7) % 17]; \
> + X07 += ks[((R) + 8) % 17]; \
> + X08 += ks[((R) + 9) % 17]; \
> + X09 += ks[((R) + 10) % 17]; \
> + X10 += ks[((R) + 11) % 17]; \
> + X11 += ks[((R) + 12) % 17]; \
> + X12 += ks[((R) + 13) % 17]; \
> + X13 += ks[((R) + 14) % 17] + ts[((R) + 1) % 3]; \
> + X14 += ks[((R) + 15) % 17] + ts[((R) + 2) % 3]; \
> + X15 += ks[((R) + 16) % 17] + (R) + 1; \
> skein_show_r_ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, X_ptr); \
> } while (0)
> #else /* looping version */
> -#define R1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, \
> - ROT, rn) \
> -do { \
> - ROUND1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, \
> - pF, ROT, rn); \
> - skein_show_r_ptr(BLK_BITS, &ctx->h, 4 * (r - 1) + rn, X_ptr); \
> +#define R1024(p0, p1, p2, p3, p4, p5, p6, p7, \
> + p8, p9, pA, pB, pC, pD, pE, pF, ROT, rn) \
> +do { \
> + ROUND1024(p0, p1, p2, p3, p4, p5, p6, p7, \
> + p8, p9, pA, pB, pC, pD, pE, pF, ROT, rn); \
> + skein_show_r_ptr(BLK_BITS, &ctx->h, 4 * (r - 1) + rn, X_ptr); \
> } while (0)
>
> -#define I1024(R) \
> -do { \
> - /* inject the key schedule value */ \
> - X00 += ks[r + (R) + 0]; \
> - X01 += ks[r + (R) + 1]; \
> - X02 += ks[r + (R) + 2]; \
> - X03 += ks[r + (R) + 3]; \
> - X04 += ks[r + (R) + 4]; \
> - X05 += ks[r + (R) + 5]; \
> - X06 += ks[r + (R) + 6]; \
> - X07 += ks[r + (R) + 7]; \
> - X08 += ks[r + (R) + 8]; \
> - X09 += ks[r + (R) + 9]; \
> - X10 += ks[r + (R) + 10]; \
> - X11 += ks[r + (R) + 11]; \
> - X12 += ks[r + (R) + 12]; \
> - X13 += ks[r + (R) + 13] + ts[r + (R) + 0]; \
> - X14 += ks[r + (R) + 14] + ts[r + (R) + 1]; \
> - X15 += ks[r + (R) + 15] + r + (R); \
> - /* rotate key schedule */ \
> - ks[r + (R) + 16] = ks[r + (R) - 1]; \
> - ts[r + (R) + 2] = ts[r + (R) - 1]; \
> +#define I1024(R) \
> +do { \
> + /* inject the key schedule value */ \
> + X00 += ks[r + (R) + 0]; \
> + X01 += ks[r + (R) + 1]; \
> + X02 += ks[r + (R) + 2]; \
> + X03 += ks[r + (R) + 3]; \
> + X04 += ks[r + (R) + 4]; \
> + X05 += ks[r + (R) + 5]; \
> + X06 += ks[r + (R) + 6]; \
> + X07 += ks[r + (R) + 7]; \
> + X08 += ks[r + (R) + 8]; \
> + X09 += ks[r + (R) + 9]; \
> + X10 += ks[r + (R) + 10]; \
> + X11 += ks[r + (R) + 11]; \
> + X12 += ks[r + (R) + 12]; \
> + X13 += ks[r + (R) + 13] + ts[r + (R) + 0]; \
> + X14 += ks[r + (R) + 14] + ts[r + (R) + 1]; \
> + X15 += ks[r + (R) + 15] + r + (R); \
> + /* rotate key schedule */ \
> + ks[r + (R) + 16] = ks[r + (R) - 1]; \
> + ts[r + (R) + 2] = ts[r + (R) - 1]; \
> skein_show_r_ptr(BLK_BITSi, &ctx->h, SKEIN_RND_KEY_INJECT, X_ptr); \
> } while (0)
>
> for (r = 1; r <= 2 * RCNT; r += 2 * SKEIN_UNROLL_1024)
> #endif
> {
> -#define R1024_8_ROUNDS(R) \
> -do { \
> - R1024(00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, \
> - R1024_0, 8*(R) + 1); \
> - R1024(00, 09, 02, 13, 06, 11, 04, 15, 10, 07, 12, 03, 14, 05, 08, 01, \
> - R1024_1, 8*(R) + 2); \
> - R1024(00, 07, 02, 05, 04, 03, 06, 01, 12, 15, 14, 13, 08, 11, 10, 09, \
> - R1024_2, 8*(R) + 3); \
> - R1024(00, 15, 02, 11, 06, 13, 04, 09, 14, 01, 08, 05, 10, 03, 12, 07, \
> - R1024_3, 8*(R) + 4); \
> - I1024(2*(R)); \
> - R1024(00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, \
> - R1024_4, 8*(R) + 5); \
> - R1024(00, 09, 02, 13, 06, 11, 04, 15, 10, 07, 12, 03, 14, 05, 08, 01, \
> - R1024_5, 8*(R) + 6); \
> - R1024(00, 07, 02, 05, 04, 03, 06, 01, 12, 15, 14, 13, 08, 11, 10, 09, \
> - R1024_6, 8*(R) + 7); \
> - R1024(00, 15, 02, 11, 06, 13, 04, 09, 14, 01, 08, 05, 10, 03, 12, 07, \
> - R1024_7, 8*(R) + 8); \
> - I1024(2*(R)+1); \
> +#define R1024_8_ROUNDS(R) \
> +do { \
> + R1024(00, 01, 02, 03, 04, 05, 06, 07, \
> + 08, 09, 10, 11, 12, 13, 14, 15, R1024_0, 8 * (R) + 1); \
> + R1024(00, 09, 02, 13, 06, 11, 04, 15, \
> + 10, 07, 12, 03, 14, 05, 08, 01, R1024_1, 8 * (R) + 2); \
> + R1024(00, 07, 02, 05, 04, 03, 06, 01, \
> + 12, 15, 14, 13, 08, 11, 10, 09, R1024_2, 8 * (R) + 3); \
> + R1024(00, 15, 02, 11, 06, 13, 04, 09, \
> + 14, 01, 08, 05, 10, 03, 12, 07, R1024_3, 8 * (R) + 4); \
> + I1024(2 * (R)); \
> + R1024(00, 01, 02, 03, 04, 05, 06, 07, \
> + 08, 09, 10, 11, 12, 13, 14, 15, R1024_4, 8 * (R) + 5); \
> + R1024(00, 09, 02, 13, 06, 11, 04, 15, \
> + 10, 07, 12, 03, 14, 05, 08, 01, R1024_5, 8 * (R) + 6); \
> + R1024(00, 07, 02, 05, 04, 03, 06, 01, \
> + 12, 15, 14, 13, 08, 11, 10, 09, R1024_6, 8 * (R) + 7); \
> + R1024(00, 15, 02, 11, 06, 13, 04, 09, \
> + 14, 01, 08, 05, 10, 03, 12, 07, I1024(2 * (R) + 1); \
> } while (0)
>
> - R1024_8_ROUNDS(0);
> -
> -#define R1024_UNROLL_R(NN) \
> - ((SKEIN_UNROLL_1024 == 0 && \
> - SKEIN_1024_ROUNDS_TOTAL/8 > (NN)) || \
> - (SKEIN_UNROLL_1024 > (NN)))
> -
> - #if R1024_UNROLL_R(1)
> - R1024_8_ROUNDS(1);
> - #endif
> - #if R1024_UNROLL_R(2)
> - R1024_8_ROUNDS(2);
> - #endif
> - #if R1024_UNROLL_R(3)
> - R1024_8_ROUNDS(3);
> - #endif
> - #if R1024_UNROLL_R(4)
> - R1024_8_ROUNDS(4);
> - #endif
> - #if R1024_UNROLL_R(5)
> - R1024_8_ROUNDS(5);
> - #endif
> - #if R1024_UNROLL_R(6)
> - R1024_8_ROUNDS(6);
> - #endif
> - #if R1024_UNROLL_R(7)
> - R1024_8_ROUNDS(7);
> - #endif
> - #if R1024_UNROLL_R(8)
> - R1024_8_ROUNDS(8);
> - #endif
> - #if R1024_UNROLL_R(9)
> - R1024_8_ROUNDS(9);
> - #endif
> - #if R1024_UNROLL_R(10)
> - R1024_8_ROUNDS(10);
> - #endif
> - #if R1024_UNROLL_R(11)
> - R1024_8_ROUNDS(11);
> - #endif
> - #if R1024_UNROLL_R(12)
> - R1024_8_ROUNDS(12);
> - #endif
> - #if R1024_UNROLL_R(13)
> - R1024_8_ROUNDS(13);
> - #endif
> - #if R1024_UNROLL_R(14)
> - R1024_8_ROUNDS(14);
> - #endif
> + R1024_8_ROUNDS(0);
> +
> +#define R1024_UNROLL_R(NN) \
> + ((SKEIN_UNROLL_1024 == 0 && SKEIN_1024_ROUNDS_TOTAL/8 > (NN)) || \
> + (SKEIN_UNROLL_1024 > (NN)))
> +
> +#if R1024_UNROLL_R(1)
> + R1024_8_ROUNDS(1);
> +#endif
> +#if R1024_UNROLL_R(2)
> + R1024_8_ROUNDS(2);
> +#endif
> +#if R1024_UNROLL_R(3)
> + R1024_8_ROUNDS(3);
> +#endif
> +#if R1024_UNROLL_R(4)
> + R1024_8_ROUNDS(4);
> +#endif
> +#if R1024_UNROLL_R(5)
> + R1024_8_ROUNDS(5);
> +#endif
> +#if R1024_UNROLL_R(6)
> + R1024_8_ROUNDS(6);
> +#endif
> +#if R1024_UNROLL_R(7)
> + R1024_8_ROUNDS(7);
> +#endif
> +#if R1024_UNROLL_R(8)
> + R1024_8_ROUNDS(8);
> +#endif
> +#if R1024_UNROLL_R(9)
> + R1024_8_ROUNDS(9);
> +#endif
> +#if R1024_UNROLL_R(10)
> + R1024_8_ROUNDS(10);
> +#endif
> +#if R1024_UNROLL_R(11)
> + R1024_8_ROUNDS(11);
> +#endif
> +#if R1024_UNROLL_R(12)
> + R1024_8_ROUNDS(12);
> +#endif
> +#if R1024_UNROLL_R(13)
> + R1024_8_ROUNDS(13);
> +#endif
> +#if R1024_UNROLL_R(14)
> + R1024_8_ROUNDS(14);
> +#endif
> #if (SKEIN_UNROLL_1024 > 14)
> #error "need more unrolling in Skein_1024_Process_Block"
> - #endif
> - }
> +#endif
> + }
> /* do the final "feedforward" xor, update context chaining */
>
> ctx->x[0] = X00 ^ w[0];
> @@ -766,8 +819,8 @@ do { \
> #if defined(SKEIN_CODE_SIZE) || defined(SKEIN_PERF)
> size_t skein_1024_process_block_code_size(void)
> {
> - return ((u8 *) skein_1024_process_block_code_size) -
> - ((u8 *) skein_1024_process_block);
> + return ((u8 *)skein_1024_process_block_code_size) -
> + ((u8 *)skein_1024_process_block);
> }
> unsigned int skein_1024_unroll_cnt(void)
> {
>
>