tcg: Split trunc_shr_i32 opcode into extr[lh]_i64_i32

Rather than allow arbitrary shift+trunc, only concern ourselves
with low and high parts.  This is all that was being used anyway.

Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2015-07-24 07:16:00 -07:00
parent 870ad1547a
commit 609ad70562
15 changed files with 77 additions and 59 deletions

View file

@ -77,7 +77,8 @@ typedef enum {
#if TCG_TARGET_REG_BITS == 64
#define TCG_TARGET_HAS_add2_i32 0
#define TCG_TARGET_HAS_sub2_i32 0
#define TCG_TARGET_HAS_trunc_shr_i64_i32 0
#define TCG_TARGET_HAS_extrl_i64_i32 0
#define TCG_TARGET_HAS_extrh_i64_i32 0
#define TCG_TARGET_HAS_div_i64 1
#define TCG_TARGET_HAS_rem_i64 0
#define TCG_TARGET_HAS_rot_i64 1