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| author | pbrook | 2008-03-31 05:46:19 +0200 |
|---|---|---|
| committer | pbrook | 2008-03-31 05:46:19 +0200 |
| commit | 3670669ce25ef337a6e5e99b7a97b83997c06721 (patch) | |
| tree | 7b15f6ba52aee927d833ac1aacde641f2631ac17 /target-arm/helper.c | |
| parent | ARM TCG conversion 5/16. (diff) | |
| download | qemu-3670669ce25ef337a6e5e99b7a97b83997c06721.tar.gz qemu-3670669ce25ef337a6e5e99b7a97b83997c06721.tar.xz qemu-3670669ce25ef337a6e5e99b7a97b83997c06721.zip | |
ARM TCG conversion 6/16.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4143 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-arm/helper.c')
| -rw-r--r-- | target-arm/helper.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c index 2c35ea4baf..c61c610919 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -347,6 +347,35 @@ uint32_t HELPER(clz)(uint32_t x) return count; } +int32_t HELPER(sdiv)(int32_t num, int32_t den) +{ + if (den == 0) + return 0; + return num / den; +} + +uint32_t HELPER(udiv)(uint32_t num, uint32_t den) +{ + if (den == 0) + return 0; + return num / den; +} + +uint32_t HELPER(rbit)(uint32_t x) +{ + x = ((x & 0xff000000) >> 24) + | ((x & 0x00ff0000) >> 8) + | ((x & 0x0000ff00) << 8) + | ((x & 0x000000ff) << 24); + x = ((x & 0xf0f0f0f0) >> 4) + | ((x & 0x0f0f0f0f) << 4); + x = ((x & 0x88888888) >> 3) + | ((x & 0x44444444) >> 1) + | ((x & 0x22222222) << 1) + | ((x & 0x11111111) << 3); + return x; +} + #if defined(CONFIG_USER_ONLY) void do_interrupt (CPUState *env) |