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* [gcc r11-8007] C-SKY: Describe ck802 bypass accurately.
@ 2021-04-06 12:48 qu
  0 siblings, 0 replies; only message in thread
From: qu @ 2021-04-06 12:48 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:498d2ba5849cd0888ad473a2ff953ede106262c5

commit r11-8007-g498d2ba5849cd0888ad473a2ff953ede106262c5
Author: Xianmiao Qu <xianmiao_qu@c-sky.com>
Date:   Tue Apr 6 20:19:15 2021 +0800

    C-SKY: Describe ck802 bypass accurately.
    
    Fix the following warning:
    insn-automata.c: In function ‘int maximal_insn_latency(rtx_insn*)’:
    insn-automata.c:679:37: warning: array subscript -1 is below array bounds of ‘const unsigned char [19]’ [-Warray-bounds]
      679 |   return default_latencies[insn_code];
          |          ~~~~~~~~~~~~~~~~~~~~~~~~~~~^
    insn-automata.c:397:30: note: while referencing ‘default_latencies’
      397 |   static const unsigned char default_latencies[] =
          |
    
    gcc/
            * config/csky/csky_pipeline_ck802.md : Use insn reservation name
            instead of *.

Diff:
---
 gcc/config/csky/csky_pipeline_ck802.md | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/gcc/config/csky/csky_pipeline_ck802.md b/gcc/config/csky/csky_pipeline_ck802.md
index bf1c2a7031c..2406f59e776 100644
--- a/gcc/config/csky/csky_pipeline_ck802.md
+++ b/gcc/config/csky/csky_pipeline_ck802.md
@@ -70,8 +70,12 @@
 (define_bypass 3 "ck802_load,ck802_store" "ck802_pool")
 (define_bypass 3 "ck802_pool" "ck802_load,ck802_store")
 
-(define_bypass 1 "*" "ck802_alu")
+(define_bypass 1 "ck802_alu,ck802_branch,ck802_cmp,ck802_cbranch,ck802_call,\
+		  ck802_load,ck802_pool,ck802_store"
+		 "ck802_alu")
 
-(define_bypass 1 "*" "ck802_branch")
+(define_bypass 1 "ck802_alu,ck802_branch,ck802_cmp,ck802_cbranch,ck802_call,\
+		  ck802_load,ck802_pool,ck802_store"
+		 "ck802_branch")
 
 (define_bypass 2 "ck802_cmp" "ck802_cbranch")


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