mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

CRIS: Move operations can be optimized as arithmetic ones for cc evaluation.

Browse Source 
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6199 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
edgar_igl 2009-01-07 12:27:46 +00:00
parent a8cf66bb39
commit 459e518560
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
target-cris/translate.c
View File

@ -975,6 +975,7 @@ static int arith_cc(DisasContext *dc)
case CC_OP_CMP: return 1; case CC_OP_CMP: return 1;
case CC_OP_NEG: return 1; case CC_OP_NEG: return 1;
case CC_OP_OR: return 1; case CC_OP_OR: return 1;
case CC_OP_AND: return 1;
case CC_OP_XOR: return 1; case CC_OP_XOR: return 1;
case CC_OP_MULU: return 1; case CC_OP_MULU: return 1;
case CC_OP_MULS: return 1; case CC_OP_MULS: return 1;
@ -1000,7 +1001,7 @@ static void gen_tst_cc (DisasContext *dc, TCGv cc, int cond)
* code is true. * code is true.
*/ */
arith_opt = arith_cc(dc) && !dc->flags_uptodate; arith_opt = arith_cc(dc) && !dc->flags_uptodate;
move_opt = (dc->cc_op == CC_OP_MOVE) && dc->flags_uptodate; move_opt = (dc->cc_op == CC_OP_MOVE);
switch (cond) { switch (cond) {
case CC_EQ: case CC_EQ:
if (arith_opt || move_opt) { if (arith_opt || move_opt) {