Re: [PATCH] RISC-V: Use safe_grow_cleared for vector info [PR111469]

[钟居哲 <juzhe.zhong@rivai.ai>]

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LGTM.



juzhe.zhong@rivai.ai
 
From: Patrick O'Neill
Date: 2023-10-01 07:00
To: gcc-patches; juzhe.zhong
CC: jakub; pinskia; JeffreyALaw; gnu-toolchain; Patrick O'Neill
Subject: [PATCH] RISC-V: Use safe_grow_cleared for vector info [PR111469]
Resolves a riscv*-*-* bootstrap failure due to a newly-turned-on assert.
 
2023-09-30  Jakub Jelinek  <jakub@redhat.com>
 
PR target/111649
 
gcc/ChangeLog:
 
* config/riscv/riscv-vsetvl.cc (vector_infos_manager::vector_infos_manager):
Replace safe_grow with safe_grow_cleared.
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111649
 
Fix authored by Jakub Jelinek.
 
Tested for regressions using multilib riscv glibc rv32gcv, rv64gcv
---
gcc/config/riscv/riscv-vsetvl.cc | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
 
diff --git a/gcc/config/riscv/riscv-vsetvl.cc b/gcc/config/riscv/riscv-vsetvl.cc
index af8c31d873c..4b06d93e7f9 100644
--- a/gcc/config/riscv/riscv-vsetvl.cc
+++ b/gcc/config/riscv/riscv-vsetvl.cc
@@ -2417,8 +2417,8 @@ vector_infos_manager::vector_infos_manager ()
   vector_antin = nullptr;
   vector_antout = nullptr;
   vector_earliest = nullptr;
-  vector_insn_infos.safe_grow (get_max_uid ());
-  vector_block_infos.safe_grow (last_basic_block_for_fn (cfun));
+  vector_insn_infos.safe_grow_cleared (get_max_uid ());
+  vector_block_infos.safe_grow_cleared (last_basic_block_for_fn (cfun));
   if (!optimize)
     {
       basic_block cfg_bb;
--
2.34.1