https://llvm.org/bugs/show_bug.cgi?id=30772
Bug ID: 30772
Summary: Inefficient codegen
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Backend: X86
Assignee: unassignedb...@nondot.org
Reporter: rafael.espind...@gmail.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
In the attached testcase we produce
movq %rax, %rcx
shlq $6, %rcx
prefetcht0 (%rdi,%rcx)
movq %rax, %rcx
shlq $4, %rcx
We could produce
movq %rax, %rcx
shlq $4, %rcx
prefetcht0 (%rdi,%rcx, 4)
--
You are receiving this mail because:
You are on the CC list for the bug.
_______________________________________________
llvm-bugs mailing list
llvm-bugs@lists.llvm.org
http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
