From c94cf3b8885c8a9e192b95125ce4b8470a1aa3c3 Mon Sep 17 00:00:00 2001
From: Thomas Martitz <kugel@rockbox.org>
Date: Sun, 8 Jan 2012 00:22:58 +0100
Subject: Move optimized ffs to firmware/asm, using the new
 automatic-asm-picking infrastructure.

Change-Id: I5e7bdc8be7de50ef604c16078857fff1b84650dc
---
 firmware/target/mips/ffs-mips.S | 59 -----------------------------------------
 1 file changed, 59 deletions(-)
 delete mode 100644 firmware/target/mips/ffs-mips.S

(limited to 'firmware/target/mips')

diff --git a/firmware/target/mips/ffs-mips.S b/firmware/target/mips/ffs-mips.S
deleted file mode 100644
index a2a82a6a32..0000000000
--- a/firmware/target/mips/ffs-mips.S
+++ /dev/null
@@ -1,59 +0,0 @@
-/***************************************************************************
- *             __________               __   ___.
- *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
- *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
- *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
- *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
- *                     \/            \/     \/    \/            \/
- * $Id$
- *
- * Copyright (C) 2009 by Maurus Cuelenaere
- * based on ffs-arm.S by Michael Sevakis
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ****************************************************************************/
-
-#include "config.h"
-#include "mips.h"
-
-/****************************************************************************
- * int find_first_set_bit(uint32_t val);
- *
- * Find the index of the least significant set bit in the 32-bit word.
- *
- * return values:
- *   0  - bit 0 is set
- *   1  - bit 1 is set
- *   ...
- *   31 - bit 31 is set
- *   32 - no bits set
- ****************************************************************************/
-    .align  2
-    .global find_first_set_bit
-    .type   find_first_set_bit, %function
-    .set    noreorder
-    .set    noat
-    
-find_first_set_bit:
-    beqz    a0, l                    # if(a0 == 0) goto l
-    nop                              #
-    negu    t0, a0                   # t0 = -a0
-    and     t0, a0, t0               # t0 = a0 & t0
-    clz     v0, t0                   # get lead 0's count
-    li      t0, 31                   # t0 = 31
-    jr      ra                       #
-    subu    v0, t0, v0               # v0 = t0 - v0
-
-l:
-    jr      ra                       #
-    li      v0, 32                   # v0 = 32
-    
-    .set    reorder
-    .set    at
-- 
cgit v1.2.3