optimize: Use likely and unlikely.
Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
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59
glamor/compiler.h
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59
glamor/compiler.h
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/*
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* Copyright (c) 2011 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Authors:
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* Chris Wilson <chris@chris-wilson.co.uk>
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*
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* Copied from sna
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*
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*/
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#ifndef _GLAMOR_COMPILER_H_
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#define _GLAMOR_COMPILER_H_
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#if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__)
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#define likely(expr) (__builtin_expect (!!(expr), 1))
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#define unlikely(expr) (__builtin_expect (!!(expr), 0))
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#define noinline __attribute__((noinline))
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#define fastcall __attribute__((regparm(3)))
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#define must_check __attribute__((warn_unused_result))
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#define constant __attribute__((const))
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#else
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#define likely(expr) (expr)
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#define unlikely(expr) (expr)
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#define noinline
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#define fastcall
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#define must_check
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#define constant
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#endif
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#ifdef HAVE_VALGRIND
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#define VG(x) x
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#else
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#define VG(x)
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#endif
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#define VG_CLEAR(s) VG(memset(&s, 0, sizeof(s)))
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#define COMPILE_TIME_ASSERT(E) ((void)sizeof(char[1 - 2*!(E)]))
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#endif /* _SNA_COMPILER_H_ */
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@ -31,6 +31,8 @@
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#include "config.h"
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#endif
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#include "compiler.h"
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#include <xorg-server.h>
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#ifndef DEBUG
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#define NDEBUG
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@ -59,7 +59,7 @@
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#define PIXMAP_PRIV_GET_ACTUAL_SIZE(priv, w, h) \
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do { \
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if (priv->type == GLAMOR_TEXTURE_LARGE) { \
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if (unlikely(priv->type == GLAMOR_TEXTURE_LARGE)) { \
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w = priv->large.box.x2 - priv->large.box.x1; \
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h = priv->large.box.y2 - priv->large.box.y1; \
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} else { \
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@ -80,8 +80,8 @@
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#define pixmap_priv_get_fbo_off(_priv_, _xoff_, _yoff_) \
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do { \
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if (_priv_ && (_priv_)->type \
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== GLAMOR_TEXTURE_LARGE) { \
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if (unlikely(_priv_ && (_priv_)->type \
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== GLAMOR_TEXTURE_LARGE)) { \
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*(_xoff_) = - (_priv_)->large.box.x1; \
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*(_yoff_) = - (_priv_)->large.box.y1; \
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} else { \
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@ -316,7 +316,7 @@
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texcoord, yInverted) \
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do { \
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(texcoord)[0] = t_from_x_coord_x(xscale, _tx_); \
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if (yInverted) \
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if (likely(yInverted)) \
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(texcoord)[1] = t_from_x_coord_y_inverted(yscale, _ty_);\
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else \
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(texcoord)[1] = t_from_x_coord_y(yscale, _ty_); \
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@ -339,7 +339,7 @@
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tx += fbo_x_off; \
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ty += fbo_y_off; \
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(texcoord)[0] = t_from_x_coord_x(xscale, tx); \
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if (yInverted) \
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if (likely(yInverted)) \
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(texcoord)[1] = t_from_x_coord_y_inverted(yscale, ty); \
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else \
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(texcoord)[1] = t_from_x_coord_y(yscale, ty); \
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@ -436,14 +436,12 @@
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texcoords, \
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stride) \
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do { \
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if (priv->type != GLAMOR_TEXTURE_LARGE) { \
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if (likely(priv->type != GLAMOR_TEXTURE_LARGE)) { \
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glamor_set_transformed_normalize_tcoords_ext(priv, matrix, xscale, \
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yscale, _x1_, _y1_, \
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_x2_, _y2_, yInverted, \
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texcoords, stride); \
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} else { \
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/* For a large pixmap, if both transform and repeat are set,
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* the transform must only has x and y scale factor.*/ \
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float tx1, ty1, tx2, ty2, tx3, ty3, tx4, ty4; \
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float ttx1, tty1, ttx2, tty2, ttx3, tty3, ttx4, tty4; \
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DEBUGF("original coords %d %d %d %d\n", _x1_, _y1_, _x2_, _y2_); \
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@ -512,7 +510,7 @@
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(vertices)[1 * stride] = _t2_ = t_from_x_coord_x(xscale, tx2); \
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(vertices)[2 * stride] = _t2_; \
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(vertices)[3 * stride] = _t0_; \
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if (yInverted) { \
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if (likely(yInverted)) { \
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(vertices)[1] = _t1_ = t_from_x_coord_y_inverted(yscale, ty1); \
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(vertices)[2 * stride + 1] = _t5_ = t_from_x_coord_y_inverted(yscale, ty2);\
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} \
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@ -528,7 +526,7 @@
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x1, y1, x2, y2, \
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yInverted, vertices, stride) \
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do { \
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if (priv->type == GLAMOR_TEXTURE_LARGE) { \
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if (unlikely(priv->type == GLAMOR_TEXTURE_LARGE)) { \
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float tx1, tx2, ty1, ty2; \
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int fbo_x_off, fbo_y_off; \
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pixmap_priv_get_fbo_off(priv, &fbo_x_off, &fbo_y_off); \
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@ -559,7 +557,7 @@
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_x1_, _y1_, _x2_, _y2_, \
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yInverted, vertices, stride)\
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do { \
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if (priv->type == GLAMOR_TEXTURE_LARGE) { \
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if (unlikely(priv->type == GLAMOR_TEXTURE_LARGE)) { \
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float tx1, tx2, ty1, ty2; \
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if (repeat_type == RepeatPad) { \
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tx1 = _x1_ - priv->large.box.x1; \
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(vertices)[2] = t_from_x_coord_x(xscale, x2); \
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(vertices)[6] = (vertices)[2]; \
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(vertices)[4] = (vertices)[0]; \
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if (yInverted) { \
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if (likely(yInverted)) { \
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(vertices)[1] = t_from_x_coord_y_inverted(yscale, y1); \
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(vertices)[7] = t_from_x_coord_y_inverted(yscale, y2); \
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} \
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(vertices)[2] = (x2); \
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(vertices)[4] = (vertices)[2]; \
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(vertices)[6] = (vertices)[0]; \
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if (yInverted) { \
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if (likely(yInverted)) { \
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(vertices)[1] = (y1); \
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(vertices)[5] = (y2); \
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} \
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yInverted, vertices) \
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do { \
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(vertices)[0] = v_from_x_coord_x(xscale, x); \
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if (yInverted) { \
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if (likely(yInverted)) { \
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(vertices)[1] = v_from_x_coord_y_inverted(yscale, y); \
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} else { \
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(vertices)[1] = v_from_x_coord_y(yscale, y); \
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(vertices)[2] = (x2); \
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(vertices)[6] = (vertices)[2]; \
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(vertices)[4] = (vertices)[0]; \
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if (yInverted) { \
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if (likely(yInverted)) { \
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(vertices)[1] = (y1); \
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(vertices)[7] = (y2); \
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} \
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x2 + fbo_x_off); \
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(vertices)[2 * stride] = _t2_; \
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(vertices)[3 * stride] = _t0_; \
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if (yInverted) { \
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if (likely(yInverted)) { \
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(vertices)[1] = _t1_ = v_from_x_coord_y_inverted(yscale, \
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y1 + fbo_y_off); \
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(vertices)[2 * stride + 1] = _t5_ = \
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(vertices)[2] = v_from_x_coord_x(xscale, x2); \
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(vertices)[6] = (vertices)[2]; \
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(vertices)[4] = (vertices)[0]; \
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if (yInverted) { \
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if (likely(yInverted)) { \
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(vertices)[1] = v_from_x_coord_y_inverted(yscale, y1); \
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(vertices)[7] = v_from_x_coord_y_inverted(yscale, y2); \
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} \
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yInverted, pt) \
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do { \
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(pt)[0] = t_from_x_coord_x(xscale, x); \
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if (yInverted) { \
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if (likely(yInverted)) { \
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(pt)[1] = t_from_x_coord_y_inverted(yscale, y); \
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} else { \
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(pt)[1] = t_from_x_coord_y(yscale, y); \
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yInverted, c) \
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do { \
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(c)[0] = (float)x; \
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if (yInverted) { \
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if (likely(yInverted)) { \
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(c)[1] = (float)y; \
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} else { \
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(c)[1] = (float)height - (float)y; \
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