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author	Kito Cheng <kito.cheng@sifive.com>
	Wed, 27 Oct 2021 16:27:39 +0000 (00:27 +0800)
committer	Kito Cheng <kito.cheng@sifive.com>
	Thu, 28 Oct 2021 06:53:50 +0000 (14:53 +0800)
commit	2dc835cd0b5183a0e30b2b052362ad05f5c082b0
tree	b125c734f4184eb1c1f69dee86a4c9a0ddd320f0	tree \| snapshot
parent	e399cde6f9c89cafbbf6c3274c0af3c369d4f872	commit \| diff

RISC-V: Fix wrong predicator for zero_extendsidi2_internal pattern

We're wrongly guard zero_extendsidi2_internal pattern both ZBA and ZBB,
only ZBA provide zero_extendsidi2 instruction.

gcc/ChangeLog

* config/riscv/riscv.md (zero_extendsidi2_internal): Allow ZBB
use this pattern.

gcc/config/riscv/riscv.md

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