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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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1
tcg/arm/tcg-target.h
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@ -56,6 +56,7 @@ enum {
#define TCG_TARGET_CALL_STACK_OFFSET 0
/* optional instructions */
#define TCG_TARGET_HAS_div2_i32
#define TCG_TARGET_HAS_ext8s_i32
#define TCG_TARGET_HAS_ext16s_i32
// #define TCG_TARGET_HAS_ext8u_i32