On Wed, 2023-11-15 at 04:42 +0800, Xi Ruoyao wrote:
> > There seems a better solution as suggested by the GCC internal doc.
> > Section 18.9.16 mentions -fipa-ra:
> >
> > -- Target Hook: bool TARGET_CALL_FUSAGE_CONTAINS_NON_CALLEE_CLOBBERS
> > Set to true if each call that binds to a local
On Wed, 2023-11-15 at 04:26 +0800, Xi Ruoyao wrote:
> On Tue, 2023-11-14 at 20:46 +0800, chenglulu wrote:
> >
> > 在 2023/11/14 下午5:55, Xi Ruoyao 写道:
> > > On Tue, 2023-11-14 at 17:45 +0800, Lulu Cheng wrote:
> > > > + /* When function calls are made through call36, t0 register
> > > > will
On Tue, 2023-11-14 at 20:46 +0800, chenglulu wrote:
>
> 在 2023/11/14 下午5:55, Xi Ruoyao 写道:
> > On Tue, 2023-11-14 at 17:45 +0800, Lulu Cheng wrote:
> > > + /* When function calls are made through call36, t0 register
> > > will be
> > > + implicitly modified, so '-fno-ipa-ra' needs to be set
在 2023/11/14 下午5:55, Xi Ruoyao 写道:
On Tue, 2023-11-14 at 17:45 +0800, Lulu Cheng wrote:
+ /* When function calls are made through call36, t0 register will be
+implicitly modified, so '-fno-ipa-ra' needs to be set here. */
case CMODEL_MEDIUM:
+ if
On Tue, 2023-11-14 at 17:45 +0800, Lulu Cheng wrote:
> + /* When function calls are made through call36, t0 register will be
> + implicitly modified, so '-fno-ipa-ra' needs to be set here. */
> case CMODEL_MEDIUM:
> + if (HAVE_AS_SUPPORT_CALL36)
> + opts->x_flag_ipa_ra
When compiling with '-mcmodel=medium', the function call is made through
'pcaddu18i+jirl' if binutils supports call36, otherwise the
native implementation 'pcalau12i+jirl' is used.
gcc/ChangeLog:
* config.in: Regenerate.
* config/loongarch/loongarch-opts.h
