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 (HAVE_AS_SUPPORT_CALL36)
+ opts->x_flag_ipa_ra = 0;
+ break;
Maybe we can add a (clobber (reg:P 12)) to the related insns instead?
Sorry, this was modified in accordance with the call36 macro instruction
during the test.
I will use clobber, and add test cases.
