On Sat, Jun 3, 2023 at 3:52 PM Takayuki 'January June' Suwa
wrote:
>
> This patch optimizes both the boolean evaluation of and the branching of
> EQ/NE against INT_MIN (-2147483648), by taking advantage of the specifi-
> cation the ABS machine instruction on Xtensa returns INT_MIN iff INT_MIN,
> o
On 6/3/23 17:03, Andrew Pinski via Gcc-patches wrote:
On Sat, Jun 3, 2023 at 3:53 PM Takayuki 'January June' Suwa via
Gcc-patches wrote:
This patch optimizes both the boolean evaluation of and the branching of
EQ/NE against INT_MIN (-2147483648), by taking advantage of the specifi-
cation t
On Sat, Jun 3, 2023 at 3:53 PM Takayuki 'January June' Suwa via
Gcc-patches wrote:
>
> This patch optimizes both the boolean evaluation of and the branching of
> EQ/NE against INT_MIN (-2147483648), by taking advantage of the specifi-
> cation the ABS machine instruction on Xtensa returns INT_MIN
This patch optimizes both the boolean evaluation of and the branching of
EQ/NE against INT_MIN (-2147483648), by taking advantage of the specifi-
cation the ABS machine instruction on Xtensa returns INT_MIN iff INT_MIN,
otherwise non-negative value.
/* example */
int test0(int x) {
r
