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tcg: add div/rem 32-bit helpers

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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>
This commit is contained in:
Aurelien Jarno 2010-03-02 23:16:36 +01:00
parent 7296abaccc
commit 31d6655100
7 changed files with 89 additions and 2 deletions
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24
tcg-runtime.c
View file

@ -25,6 +25,30 @@
#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;