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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:35 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:35 -0800
commitf721e3ac031f892af46f255a47d7f54a91317b30 (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /host-utils.h
parentbae1bc39312d5019bd9a5b8d840a529213a69a17 (diff)
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auto import from //depot/cupcake/@135843
Diffstat (limited to 'host-utils.h')
-rw-r--r--host-utils.h204
1 files changed, 0 insertions, 204 deletions
diff --git a/host-utils.h b/host-utils.h
deleted file mode 100644
index b1e799e..0000000
--- a/host-utils.h
+++ /dev/null
@@ -1,204 +0,0 @@
-/*
- * Utility compute operations used by translated code.
- *
- * Copyright (c) 2007 Thiemo Seufer
- * Copyright (c) 2007 Jocelyn Mayer
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "osdep.h"
-
-#if defined(__x86_64__)
-#define __HAVE_FAST_MULU64__
-static always_inline void mulu64 (uint64_t *plow, uint64_t *phigh,
- uint64_t a, uint64_t b)
-{
- __asm__ ("mul %0\n\t"
- : "=d" (*phigh), "=a" (*plow)
- : "a" (a), "0" (b));
-}
-#define __HAVE_FAST_MULS64__
-static always_inline void muls64 (uint64_t *plow, uint64_t *phigh,
- int64_t a, int64_t b)
-{
- __asm__ ("imul %0\n\t"
- : "=d" (*phigh), "=a" (*plow)
- : "a" (a), "0" (b));
-}
-#else
-void muls64(uint64_t *phigh, uint64_t *plow, int64_t a, int64_t b);
-void mulu64(uint64_t *phigh, uint64_t *plow, uint64_t a, uint64_t b);
-#endif
-
-/* Note that some of those functions may end up calling libgcc functions,
- depending on the host machine. It is up to the target emulation to
- cope with that. */
-
-/* Binary search for leading zeros. */
-
-static always_inline int clz32(uint32_t val)
-{
- int cnt = 0;
-
- if (!(val & 0xFFFF0000U)) {
- cnt += 16;
- val <<= 16;
- }
- if (!(val & 0xFF000000U)) {
- cnt += 8;
- val <<= 8;
- }
- if (!(val & 0xF0000000U)) {
- cnt += 4;
- val <<= 4;
- }
- if (!(val & 0xC0000000U)) {
- cnt += 2;
- val <<= 2;
- }
- if (!(val & 0x80000000U)) {
- cnt++;
- val <<= 1;
- }
- if (!(val & 0x80000000U)) {
- cnt++;
- }
- return cnt;
-}
-
-static always_inline int clo32(uint32_t val)
-{
- return clz32(~val);
-}
-
-static always_inline int clz64(uint64_t val)
-{
- int cnt = 0;
-
- if (!(val >> 32)) {
- cnt += 32;
- } else {
- val >>= 32;
- }
-
- return cnt + clz32(val);
-}
-
-static always_inline int clo64(uint64_t val)
-{
- return clz64(~val);
-}
-
-static always_inline int ctz32 (uint32_t val)
-{
- int cnt;
-
- cnt = 0;
- if (!(val & 0x0000FFFFUL)) {
- cnt += 16;
- val >>= 16;
- }
- if (!(val & 0x000000FFUL)) {
- cnt += 8;
- val >>= 8;
- }
- if (!(val & 0x0000000FUL)) {
- cnt += 4;
- val >>= 4;
- }
- if (!(val & 0x00000003UL)) {
- cnt += 2;
- val >>= 2;
- }
- if (!(val & 0x00000001UL)) {
- cnt++;
- val >>= 1;
- }
- if (!(val & 0x00000001UL)) {
- cnt++;
- }
-
- return cnt;
- }
-
-static always_inline int cto32 (uint32_t val)
- {
- return ctz32(~val);
-}
-
-static always_inline int ctz64 (uint64_t val)
-{
- int cnt;
-
- cnt = 0;
- if (!((uint32_t)val)) {
- cnt += 32;
- val >>= 32;
- }
-
- return cnt + ctz32(val);
-}
-
-static always_inline int cto64 (uint64_t val)
-{
- return ctz64(~val);
-}
-
-static always_inline int ctpop8 (uint8_t val)
-{
- val = (val & 0x55) + ((val >> 1) & 0x55);
- val = (val & 0x33) + ((val >> 2) & 0x33);
- val = (val & 0x0f) + ((val >> 4) & 0x0f);
-
- return val;
-}
-
-static always_inline int ctpop16 (uint16_t val)
-{
- val = (val & 0x5555) + ((val >> 1) & 0x5555);
- val = (val & 0x3333) + ((val >> 2) & 0x3333);
- val = (val & 0x0f0f) + ((val >> 4) & 0x0f0f);
- val = (val & 0x00ff) + ((val >> 8) & 0x00ff);
-
- return val;
-}
-
-static always_inline int ctpop32 (uint32_t val)
-{
- val = (val & 0x55555555) + ((val >> 1) & 0x55555555);
- val = (val & 0x33333333) + ((val >> 2) & 0x33333333);
- val = (val & 0x0f0f0f0f) + ((val >> 4) & 0x0f0f0f0f);
- val = (val & 0x00ff00ff) + ((val >> 8) & 0x00ff00ff);
- val = (val & 0x0000ffff) + ((val >> 16) & 0x0000ffff);
-
- return val;
-}
-
-static always_inline int ctpop64 (uint64_t val)
-{
- val = (val & 0x5555555555555555ULL) + ((val >> 1) & 0x5555555555555555ULL);
- val = (val & 0x3333333333333333ULL) + ((val >> 2) & 0x3333333333333333ULL);
- val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) & 0x0f0f0f0f0f0f0f0fULL);
- val = (val & 0x00ff00ff00ff00ffULL) + ((val >> 8) & 0x00ff00ff00ff00ffULL);
- val = (val & 0x0000ffff0000ffffULL) + ((val >> 16) & 0x0000ffff0000ffffULL);
- val = (val & 0x00000000ffffffffULL) + ((val >> 32) & 0x00000000ffffffffULL);
-
- return val;
-}