Ping: https://gcc.gnu.org/ml/gcc-patches/2016-02/msg00809.html
On 02/11/2016 02:58 PM, Martin Sebor wrote:
The more than decennnial rtl-optimization/19705 - -fno-branch-count-reg doesn't prevent decrement and branch instructions on a count register points out that the documentation of the option leads one to expect that it prevents the decrement and branch instruction from appearing in the instruction stream. This isn't the case The option prevents a dedicated pass from running that introduces such instructions, but it doesn't prevent other passes from introducing it. The attached updates the documentation to clarify this. Martin
