qemu/tcg-runtime.c
Aurelien Jarno 31d6655100 tcg: add div/rem 32-bit helpers
Some targets like ARM would benefit to use 32-bit helpers for
div/rem/divu/remu.

Create a #define for div2 so that targets can select between
div, div2 and helper implementation. Use the helper version if none
of the #define are present.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-03-14 22:04:50 +01:00

86 lines
2.2 KiB
C

/*
* Tiny Code Generator for QEMU
*
* Copyright (c) 2008 Fabrice Bellard
*
* 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 <stdint.h>
#include "tcg/tcg-runtime.h"
/* 32-bit helpers */
int32_t tcg_helper_div_i32(int32_t arg1, int32_t arg2)
{
return arg1 / arg2;
}
int32_t tcg_helper_rem_i32(int32_t arg1, int32_t arg2)
{
return arg1 % arg2;
}
uint32_t tcg_helper_divu_i32(uint32_t arg1, uint32_t arg2)
{
return arg1 / arg2;
}
uint32_t tcg_helper_remu_i32(uint32_t arg1, uint32_t arg2)
{
return arg1 % arg2;
}
/* 64-bit helpers */
int64_t tcg_helper_shl_i64(int64_t arg1, int64_t arg2)
{
return arg1 << arg2;
}
int64_t tcg_helper_shr_i64(int64_t arg1, int64_t arg2)
{
return (uint64_t)arg1 >> arg2;
}
int64_t tcg_helper_sar_i64(int64_t arg1, int64_t arg2)
{
return arg1 >> arg2;
}
int64_t tcg_helper_div_i64(int64_t arg1, int64_t arg2)
{
return arg1 / arg2;
}
int64_t tcg_helper_rem_i64(int64_t arg1, int64_t arg2)
{
return arg1 % arg2;
}
uint64_t tcg_helper_divu_i64(uint64_t arg1, uint64_t arg2)
{
return arg1 / arg2;
}
uint64_t tcg_helper_remu_i64(uint64_t arg1, uint64_t arg2)
{
return arg1 % arg2;
}