Staging: echo: remove unneeded USE_MMX defines

This define is never set in the kernel, so remove the code
using it.  This lets us drop the mmx.h file as well.

Cc: David Rowe <david@rowetel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/echo/fir.h

@@ -62,10 +62,6 @@
    can.
 */
 
-#if defined(USE_MMX)  ||  defined(USE_SSE2)
-#include "mmx.h"
-#endif
-
 /*!
     16 bit integer FIR descriptor. This defines the working state for a single
     instance of an FIR filter using 16 bit integer coefficients.
@@ -106,7 +102,7 @@ static inline const int16_t *fir16_create(struct fir16_state_t *fir,
 	fir->taps = taps;
 	fir->curr_pos = taps - 1;
 	fir->coeffs = coeffs;
-#if defined(USE_MMX)  ||  defined(USE_SSE2) || defined(__bfin__)
+#if defined(USE_SSE2) || defined(__bfin__)
 	fir->history = kcalloc(2 * taps, sizeof(int16_t), GFP_KERNEL);
 #else
 	fir->history = kcalloc(taps, sizeof(int16_t), GFP_KERNEL);
@@ -116,7 +112,7 @@ static inline const int16_t *fir16_create(struct fir16_state_t *fir,
 
 static inline void fir16_flush(struct fir16_state_t *fir)
 {
-#if defined(USE_MMX)  ||  defined(USE_SSE2) || defined(__bfin__)
+#if defined(USE_SSE2) || defined(__bfin__)
 	memset(fir->history, 0, 2 * fir->taps * sizeof(int16_t));
 #else
 	memset(fir->history, 0, fir->taps * sizeof(int16_t));
@@ -158,38 +154,7 @@ static inline int32_t dot_asm(short *x, short *y, int len)
 static inline int16_t fir16(struct fir16_state_t *fir, int16_t sample)
 {
 	int32_t y;
-#if defined(USE_MMX)
-	int i;
-	union mmx_t *mmx_coeffs;
-	union mmx_t *mmx_hist;
-
-	fir->history[fir->curr_pos] = sample;
-	fir->history[fir->curr_pos + fir->taps] = sample;
-
-	mmx_coeffs = (union mmx_t *)fir->coeffs;
-	mmx_hist = (union mmx_t *)&fir->history[fir->curr_pos];
-	i = fir->taps;
-	pxor_r2r(mm4, mm4);
-	/* 8 samples per iteration, so the filter must be a multiple of 8 long. */
-	while (i > 0) {
-		movq_m2r(mmx_coeffs[0], mm0);
-		movq_m2r(mmx_coeffs[1], mm2);
-		movq_m2r(mmx_hist[0], mm1);
-		movq_m2r(mmx_hist[1], mm3);
-		mmx_coeffs += 2;
-		mmx_hist += 2;
-		pmaddwd_r2r(mm1, mm0);
-		pmaddwd_r2r(mm3, mm2);
-		paddd_r2r(mm0, mm4);
-		paddd_r2r(mm2, mm4);
-		i -= 8;
-	}
-	movq_r2r(mm4, mm0);
-	psrlq_i2r(32, mm0);
-	paddd_r2r(mm0, mm4);
-	movd_r2m(mm4, y);
-	emms();
-#elif defined(USE_SSE2)
+#if defined(USE_SSE2)
 	int i;
 	union xmm_t *xmm_coeffs;
 	union xmm_t *xmm_hist;

drivers/staging/echo/mmx.h

-/*
- * mmx.h
- * Copyright (C) 1997-2001 H. Dietz and R. Fisher
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-#ifndef AVCODEC_I386MMX_H
-#define AVCODEC_I386MMX_H
-
-/*
- * The type of an value that fits in an MMX register (note that long
- * long constant values MUST be suffixed by LL and unsigned long long
- * values by ULL, lest they be truncated by the compiler)
- */
-
-union mmx_t {
-	long long q;		/* Quadword (64-bit) value */
-	unsigned long long uq;	/* Unsigned Quadword */
-	int d[2];		/* 2 Doubleword (32-bit) values */
-	unsigned int ud[2];	/* 2 Unsigned Doubleword */
-	short w[4];		/* 4 Word (16-bit) values */
-	unsigned short uw[4];	/* 4 Unsigned Word */
-	char b[8];		/* 8 Byte (8-bit) values */
-	unsigned char ub[8];	/* 8 Unsigned Byte */
-	float s[2];		/* Single-precision (32-bit) value */
-};				/* On an 8-byte (64-bit) boundary */
-
-/* SSE registers */
-union xmm_t {
-	char b[16];
-};
-
-#define	mmx_i2r(op, imm, reg) \
-	__asm__ __volatile__ (#op " %0, %%" #reg \
-				: /* nothing */ \
-				: "i" (imm))
-
-#define	mmx_m2r(op, mem, reg) \
-	__asm__ __volatile__ (#op " %0, %%" #reg \
-				: /* nothing */ \
-				: "m" (mem))
-
-#define	mmx_r2m(op, reg, mem) \
-	__asm__ __volatile__ (#op " %%" #reg ", %0" \
-				: "=m" (mem) \
-				: /* nothing */)
-
-#define	mmx_r2r(op, regs, regd) \
-	__asm__ __volatile__ (#op " %" #regs ", %" #regd)
-
-#define	emms() __asm__ __volatile__ ("emms")
-
-#define	movd_m2r(var, reg)	mmx_m2r(movd, var, reg)
-#define	movd_r2m(reg, var)	mmx_r2m(movd, reg, var)
-#define	movd_r2r(regs, regd)	mmx_r2r(movd, regs, regd)
-
-#define	movq_m2r(var, reg)	mmx_m2r(movq, var, reg)
-#define	movq_r2m(reg, var)	mmx_r2m(movq, reg, var)
-#define	movq_r2r(regs, regd)	mmx_r2r(movq, regs, regd)
-
-#define	packssdw_m2r(var, reg)		mmx_m2r(packssdw, var, reg)
-#define	packssdw_r2r(regs, regd)	mmx_r2r(packssdw, regs, regd)
-#define	packsswb_m2r(var, reg)		mmx_m2r(packsswb, var, reg)
-#define	packsswb_r2r(regs, regd)	mmx_r2r(packsswb, regs, regd)
-
-#define	packuswb_m2r(var, reg)		mmx_m2r(packuswb, var, reg)
-#define	packuswb_r2r(regs, regd)	mmx_r2r(packuswb, regs, regd)
-
-#define	paddb_m2r(var, reg)	mmx_m2r(paddb, var, reg)
-#define	paddb_r2r(regs, regd)	mmx_r2r(paddb, regs, regd)
-#define	paddd_m2r(var, reg)	mmx_m2r(paddd, var, reg)
-#define	paddd_r2r(regs, regd)	mmx_r2r(paddd, regs, regd)
-#define	paddw_m2r(var, reg)	mmx_m2r(paddw, var, reg)
-#define	paddw_r2r(regs, regd)	mmx_r2r(paddw, regs, regd)
-
-#define	paddsb_m2r(var, reg)	mmx_m2r(paddsb, var, reg)
-#define	paddsb_r2r(regs, regd)	mmx_r2r(paddsb, regs, regd)
-#define	paddsw_m2r(var, reg)	mmx_m2r(paddsw, var, reg)
-#define	paddsw_r2r(regs, regd)	mmx_r2r(paddsw, regs, regd)
-
-#define	paddusb_m2r(var, reg)	mmx_m2r(paddusb, var, reg)
-#define	paddusb_r2r(regs, regd)	mmx_r2r(paddusb, regs, regd)
-#define	paddusw_m2r(var, reg)	mmx_m2r(paddusw, var, reg)
-#define	paddusw_r2r(regs, regd)	mmx_r2r(paddusw, regs, regd)
-
-#define	pand_m2r(var, reg)	mmx_m2r(pand, var, reg)
-#define	pand_r2r(regs, regd)	mmx_r2r(pand, regs, regd)
-
-#define	pandn_m2r(var, reg)	mmx_m2r(pandn, var, reg)
-#define	pandn_r2r(regs, regd)	mmx_r2r(pandn, regs, regd)
-
-#define	pcmpeqb_m2r(var, reg)	mmx_m2r(pcmpeqb, var, reg)
-#define	pcmpeqb_r2r(regs, regd)	mmx_r2r(pcmpeqb, regs, regd)
-#define	pcmpeqd_m2r(var, reg)	mmx_m2r(pcmpeqd, var, reg)
-#define	pcmpeqd_r2r(regs, regd)	mmx_r2r(pcmpeqd, regs, regd)
-#define	pcmpeqw_m2r(var, reg)	mmx_m2r(pcmpeqw, var, reg)
-#define	pcmpeqw_r2r(regs, regd)	mmx_r2r(pcmpeqw, regs, regd)
-
-#define	pcmpgtb_m2r(var, reg)	mmx_m2r(pcmpgtb, var, reg)
-#define	pcmpgtb_r2r(regs, regd)	mmx_r2r(pcmpgtb, regs, regd)
-#define	pcmpgtd_m2r(var, reg)	mmx_m2r(pcmpgtd, var, reg)
-#define	pcmpgtd_r2r(regs, regd)	mmx_r2r(pcmpgtd, regs, regd)
-#define	pcmpgtw_m2r(var, reg)	mmx_m2r(pcmpgtw, var, reg)
-#define	pcmpgtw_r2r(regs, regd)	mmx_r2r(pcmpgtw, regs, regd)
-
-#define	pmaddwd_m2r(var, reg)	mmx_m2r(pmaddwd, var, reg)
-#define	pmaddwd_r2r(regs, regd)	mmx_r2r(pmaddwd, regs, regd)
-
-#define	pmulhw_m2r(var, reg)	mmx_m2r(pmulhw, var, reg)
-#define	pmulhw_r2r(regs, regd)	mmx_r2r(pmulhw, regs, regd)
-
-#define	pmullw_m2r(var, reg)	mmx_m2r(pmullw, var, reg)
-#define	pmullw_r2r(regs, regd)	mmx_r2r(pmullw, regs, regd)
-
-#define	por_m2r(var, reg)	mmx_m2r(por, var, reg)
-#define	por_r2r(regs, regd)	mmx_r2r(por, regs, regd)
-
-#define	pslld_i2r(imm, reg)	mmx_i2r(pslld, imm, reg)
-#define	pslld_m2r(var, reg)	mmx_m2r(pslld, var, reg)
-#define	pslld_r2r(regs, regd)	mmx_r2r(pslld, regs, regd)
-#define	psllq_i2r(imm, reg)	mmx_i2r(psllq, imm, reg)
-#define	psllq_m2r(var, reg)	mmx_m2r(psllq, var, reg)
-#define	psllq_r2r(regs, regd)	mmx_r2r(psllq, regs, regd)
-#define	psllw_i2r(imm, reg)	mmx_i2r(psllw, imm, reg)
-#define	psllw_m2r(var, reg)	mmx_m2r(psllw, var, reg)
-#define	psllw_r2r(regs, regd)	mmx_r2r(psllw, regs, regd)
-
-#define	psrad_i2r(imm, reg)	mmx_i2r(psrad, imm, reg)
-#define	psrad_m2r(var, reg)	mmx_m2r(psrad, var, reg)
-#define	psrad_r2r(regs, regd)	mmx_r2r(psrad, regs, regd)
-#define	psraw_i2r(imm, reg)	mmx_i2r(psraw, imm, reg)
-#define	psraw_m2r(var, reg)	mmx_m2r(psraw, var, reg)
-#define	psraw_r2r(regs, regd)	mmx_r2r(psraw, regs, regd)
-
-#define	psrld_i2r(imm, reg)	mmx_i2r(psrld, imm, reg)
-#define	psrld_m2r(var, reg)	mmx_m2r(psrld, var, reg)
-#define	psrld_r2r(regs, regd)	mmx_r2r(psrld, regs, regd)
-#define	psrlq_i2r(imm, reg)	mmx_i2r(psrlq, imm, reg)
-#define	psrlq_m2r(var, reg)	mmx_m2r(psrlq, var, reg)
-#define	psrlq_r2r(regs, regd)	mmx_r2r(psrlq, regs, regd)
-#define	psrlw_i2r(imm, reg)	mmx_i2r(psrlw, imm, reg)
-#define	psrlw_m2r(var, reg)	mmx_m2r(psrlw, var, reg)
-#define	psrlw_r2r(regs, regd)	mmx_r2r(psrlw, regs, regd)
-
-#define	psubb_m2r(var, reg)	mmx_m2r(psubb, var, reg)
-#define	psubb_r2r(regs, regd)	mmx_r2r(psubb, regs, regd)
-#define	psubd_m2r(var, reg)	mmx_m2r(psubd, var, reg)
-#define	psubd_r2r(regs, regd)	mmx_r2r(psubd, regs, regd)
-#define	psubw_m2r(var, reg)	mmx_m2r(psubw, var, reg)
-#define	psubw_r2r(regs, regd)	mmx_r2r(psubw, regs, regd)
-
-#define	psubsb_m2r(var, reg)	mmx_m2r(psubsb, var, reg)
-#define	psubsb_r2r(regs, regd)	mmx_r2r(psubsb, regs, regd)
-#define	psubsw_m2r(var, reg)	mmx_m2r(psubsw, var, reg)
-#define	psubsw_r2r(regs, regd)	mmx_r2r(psubsw, regs, regd)
-
-#define	psubusb_m2r(var, reg)	mmx_m2r(psubusb, var, reg)
-#define	psubusb_r2r(regs, regd)	mmx_r2r(psubusb, regs, regd)
-#define	psubusw_m2r(var, reg)	mmx_m2r(psubusw, var, reg)
-#define	psubusw_r2r(regs, regd)	mmx_r2r(psubusw, regs, regd)
-
-#define	punpckhbw_m2r(var, reg)		mmx_m2r(punpckhbw, var, reg)
-#define	punpckhbw_r2r(regs, regd)	mmx_r2r(punpckhbw, regs, regd)
-#define	punpckhdq_m2r(var, reg)		mmx_m2r(punpckhdq, var, reg)
-#define	punpckhdq_r2r(regs, regd)	mmx_r2r(punpckhdq, regs, regd)
-#define	punpckhwd_m2r(var, reg)		mmx_m2r(punpckhwd, var, reg)
-#define	punpckhwd_r2r(regs, regd)	mmx_r2r(punpckhwd, regs, regd)
-
-#define	punpcklbw_m2r(var, reg)		mmx_m2r(punpcklbw, var, reg)
-#define	punpcklbw_r2r(regs, regd)	mmx_r2r(punpcklbw, regs, regd)
-#define	punpckldq_m2r(var, reg)		mmx_m2r(punpckldq, var, reg)
-#define	punpckldq_r2r(regs, regd)	mmx_r2r(punpckldq, regs, regd)
-#define	punpcklwd_m2r(var, reg)		mmx_m2r(punpcklwd, var, reg)
-#define	punpcklwd_r2r(regs, regd)	mmx_r2r(punpcklwd, regs, regd)
-
-#define	pxor_m2r(var, reg)	mmx_m2r(pxor, var, reg)
-#define	pxor_r2r(regs, regd)	mmx_r2r(pxor, regs, regd)
-
-/* 3DNOW extensions */
-
-#define	pavgusb_m2r(var, reg)	mmx_m2r(pavgusb, var, reg)
-#define	pavgusb_r2r(regs, regd)	mmx_r2r(pavgusb, regs, regd)
-
-/* AMD MMX extensions - also available in intel SSE */
-
-#define	mmx_m2ri(op, mem, reg, imm) \
-	__asm__ __volatile__ (#op " %1, %0, %%" #reg \
-				: /* nothing */ \
-				: "m" (mem), "i" (imm))
-#define	mmx_r2ri(op, regs, regd, imm) \
-	__asm__ __volatile__ (#op " %0, %%" #regs ", %%" #regd \
-				: /* nothing */ \
-				: "i" (imm))
-
-#define	mmx_fetch(mem, hint) \
-	__asm__ __volatile__ ("prefetch" #hint " %0" \
-				: /* nothing */ \
-				: "m" (mem))
-
-#define	maskmovq(regs, maskreg)	mmx_r2ri(maskmovq, regs, maskreg)
-
-#define	movntq_r2m(mmreg, var)	mmx_r2m(movntq, mmreg, var)
-
-#define	pavgb_m2r(var, reg)	mmx_m2r(pavgb, var, reg)
-#define	pavgb_r2r(regs, regd)	mmx_r2r(pavgb, regs, regd)
-#define	pavgw_m2r(var, reg)	mmx_m2r(pavgw, var, reg)
-#define	pavgw_r2r(regs, regd)	mmx_r2r(pavgw, regs, regd)
-
-#define	pextrw_r2r(mmreg, reg, imm)	mmx_r2ri(pextrw, mmreg, reg, imm)
-
-#define	pinsrw_r2r(reg, mmreg, imm)	mmx_r2ri(pinsrw, reg, mmreg, imm)
-
-#define	pmaxsw_m2r(var, reg)	mmx_m2r(pmaxsw, var, reg)
-#define	pmaxsw_r2r(regs, regd)	mmx_r2r(pmaxsw, regs, regd)
-
-#define	pmaxub_m2r(var, reg)	mmx_m2r(pmaxub, var, reg)
-#define	pmaxub_r2r(regs, regd)	mmx_r2r(pmaxub, regs, regd)
-
-#define	pminsw_m2r(var, reg)	mmx_m2r(pminsw, var, reg)
-#define	pminsw_r2r(regs, regd)	mmx_r2r(pminsw, regs, regd)
-
-#define	pminub_m2r(var, reg)	mmx_m2r(pminub, var, reg)
-#define	pminub_r2r(regs, regd)	mmx_r2r(pminub, regs, regd)
-
-#define	pmovmskb(mmreg, reg) \
-	__asm__ __volatile__ ("movmskps %" #mmreg ", %" #reg)
-
-#define	pmulhuw_m2r(var, reg)	mmx_m2r(pmulhuw, var, reg)
-#define	pmulhuw_r2r(regs, regd)	mmx_r2r(pmulhuw, regs, regd)
-
-#define	prefetcht0(mem)		mmx_fetch(mem, t0)
-#define	prefetcht1(mem)		mmx_fetch(mem, t1)
-#define	prefetcht2(mem)		mmx_fetch(mem, t2)
-#define	prefetchnta(mem)	mmx_fetch(mem, nta)
-
-#define	psadbw_m2r(var, reg)	mmx_m2r(psadbw, var, reg)
-#define	psadbw_r2r(regs, regd)	mmx_r2r(psadbw, regs, regd)
-
-#define	pshufw_m2r(var, reg, imm)	mmx_m2ri(pshufw, var, reg, imm)
-#define	pshufw_r2r(regs, regd, imm)	mmx_r2ri(pshufw, regs, regd, imm)
-
-#define	sfence() __asm__ __volatile__ ("sfence\n\t")
-
-/* SSE2 */
-#define	pshufhw_m2r(var, reg, imm)	mmx_m2ri(pshufhw, var, reg, imm)
-#define	pshufhw_r2r(regs, regd, imm)	mmx_r2ri(pshufhw, regs, regd, imm)
-#define	pshuflw_m2r(var, reg, imm)	mmx_m2ri(pshuflw, var, reg, imm)
-#define	pshuflw_r2r(regs, regd, imm)	mmx_r2ri(pshuflw, regs, regd, imm)
-
-#define	pshufd_r2r(regs, regd, imm)	mmx_r2ri(pshufd, regs, regd, imm)
-
-#define	movdqa_m2r(var, reg)	mmx_m2r(movdqa, var, reg)
-#define	movdqa_r2m(reg, var)	mmx_r2m(movdqa, reg, var)
-#define	movdqa_r2r(regs, regd)	mmx_r2r(movdqa, regs, regd)
-#define	movdqu_m2r(var, reg)	mmx_m2r(movdqu, var, reg)
-#define	movdqu_r2m(reg, var)	mmx_r2m(movdqu, reg, var)
-#define	movdqu_r2r(regs, regd)	mmx_r2r(movdqu, regs, regd)
-
-#define	pmullw_r2m(reg, var)	mmx_r2m(pmullw, reg, var)
-
-#define	pslldq_i2r(imm, reg)	mmx_i2r(pslldq, imm, reg)
-#define	psrldq_i2r(imm, reg)	mmx_i2r(psrldq, imm, reg)
-
-#define	punpcklqdq_r2r(regs, regd)	mmx_r2r(punpcklqdq, regs, regd)
-#define	punpckhqdq_r2r(regs, regd)	mmx_r2r(punpckhqdq, regs, regd)
-
-#endif /* AVCODEC_I386MMX_H */