Re: [PATCH, rs6000] Remove mode promotion of SSA variables

2021-05-24 Thread HAO CHEN GUI via Gcc-patches
Hi, On 20/5/2021 下午 9:08, Segher Boessenkool wrote: Hi! On Thu, May 20, 2021 at 04:29:07PM +0800, HAO CHEN GUI wrote: On 19/5/2021 下午 9:20, Segher Boessenkool wrote: On Wed, May 19, 2021 at 04:36:00PM +0800, HAO CHEN GUI wrote: -/* Define this macro if it is advisable to hold scalars in regi

Re: [PATCH, rs6000] Remove mode promotion of SSA variables

2021-05-20 Thread Segher Boessenkool
Hi! On Thu, May 20, 2021 at 04:29:07PM +0800, HAO CHEN GUI wrote: > On 19/5/2021 下午 9:20, Segher Boessenkool wrote: > >On Wed, May 19, 2021 at 04:36:00PM +0800, HAO CHEN GUI wrote: > >>-/* Define this macro if it is advisable to hold scalars in registers > >>- in a wider mode than that declared

Re: [PATCH, rs6000] Remove mode promotion of SSA variables

2021-05-20 Thread HAO CHEN GUI via Gcc-patches
On 19/5/2021 下午 9:20, Segher Boessenkool wrote: Hi! On Wed, May 19, 2021 at 04:36:00PM +0800, HAO CHEN GUI wrote: On 19/5/2021 下午 4:33, HAO CHEN GUI wrote:     This patch removes mode promotion of SSA variables on rs6000 platform. It isn't "promotion of SSA variables". At the point where

Re: [PATCH, rs6000] Remove mode promotion of SSA variables

2021-05-19 Thread Segher Boessenkool
Hi! On Wed, May 19, 2021 at 04:36:00PM +0800, HAO CHEN GUI wrote: > On 19/5/2021 下午 4:33, HAO CHEN GUI wrote: > >    This patch removes mode promotion of SSA variables on rs6000 > >platform. It isn't "promotion of SSA variables". At the point where this code applies we are generating RTL, which

Re: [PATCH, rs6000] Remove mode promotion of SSA variables

2021-05-19 Thread HAO CHEN GUI via Gcc-patches
Sorry, forgot to gcc-patches On 19/5/2021 下午 4:33, HAO CHEN GUI wrote: Hi,     This patch removes mode promotion of SSA variables on rs6000 platform.     The attachment are the patch diff and change log file.     Bootstrapped and tested on powerppc64le and powerppc64be (with m32) with no r