Hi Richard,
Sorry for the delay.
On 19/08/14 17:09, Richard Henderson wrote:
(define_special_predicate cc_register_zero
(match_code reg)
{
return (REGNO (op) == CC_REGNUM
(GET_MODE (op) == CCmode
|| GET_MODE (op) == CC_Zmode
|| GET_MODE (op) ==
On 09/02/2014 08:34 AM, Kyrill Tkachov wrote:
2014-09-02 Kyrylo Tkachov kyrylo.tkac...@arm.com
* config/aarch64/predicates.md (aarch64_comparison_operation):
New special predicate.
* config/aarch64/aarch64.md (*csinc2mode_insn): Use
aarch64_comparison_operation instead of
On 02/09/14 16:47, Richard Henderson wrote:
On 09/02/2014 08:34 AM, Kyrill Tkachov wrote:
2014-09-02 Kyrylo Tkachov kyrylo.tkac...@arm.com
* config/aarch64/predicates.md (aarch64_comparison_operation):
New special predicate.
* config/aarch64/aarch64.md (*csinc2mode_insn): Use
On 18/08/14 19:52, Richard Henderson wrote:
On 08/18/2014 05:24 AM, Kyrill Tkachov wrote:
-(define_insn *csinc2mode_insn
+(define_insn *csinc2mode_CC_ZERO:mode_insn
[(set (match_operand:GPI 0 register_operand =r)
(plus:GPI (match_operator:GPI 2 aarch64_comparison_operator
-
On 08/19/2014 06:29 AM, Kyrill Tkachov wrote:
+(define_special_predicate cc_register_zero
+ (and (match_code reg)
+ (and (match_test REGNO (op) == CC_REGNUM)
+ (ior (match_test mode == GET_MODE (op))
+ (ior (match_test mode == VOIDmode
+
On 19/08/14 16:25, Richard Henderson wrote:
On 08/19/2014 06:29 AM, Kyrill Tkachov wrote:
+(define_special_predicate cc_register_zero
+ (and (match_code reg)
+ (and (match_test REGNO (op) == CC_REGNUM)
+ (ior (match_test mode == GET_MODE (op))
+(ior (match_test
(define_special_predicate cc_register_zero
(match_code reg)
{
return (REGNO (op) == CC_REGNUM
(GET_MODE (op) == CCmode
|| GET_MODE (op) == CC_Zmode
|| GET_MODE (op) == CC_NZmode));
})
... and now that I read the backend more closely, I see _zero
On 19/08/14 17:09, Richard Henderson wrote:
(define_special_predicate cc_register_zero
(match_code reg)
{
return (REGNO (op) == CC_REGNUM
(GET_MODE (op) == CCmode
|| GET_MODE (op) == CC_Zmode
|| GET_MODE (op) == CC_NZmode));
})
... and now that I
Hi all,
Currently for code:
int
foo (unsigned a, unsigned b)
{
int r = 0;
r = a b;
if (a b)
return ++ r;
return r;
}
we generate:
foo:
andw0, w0, w1
cmpw0, wzr
csincw0, wzr, w0, eq
ret
If we relax the csinc and similar patterns to accept the CC_Z and
