http://llvm.org/bugs/show_bug.cgi?id=10089
Summary: Lots of spills generated
Product: libraries
Version: trunk
Platform: PC
OS/Version: All
Status: NEW
Severity: normal
Priority: P
Component: Register Allocator
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Created an attachment (id=6699)
--> (http://llvm.org/bugs/attachment.cgi?id=6699)
jsinterp.ii
The included testcase compiles to 23572 bytes with clang and 4940 bytes with
gcc 4.2. The clang produced code has lots of:
movq %rax, %rcx
## implicit-def: EAX
movl %eax, -92(%rbp) ## 4-byte Spill
## implicit-def: EAX
movl %eax, -68(%rbp) ## 4-byte Spill
## implicit-def: EAX
movq %rax, -88(%rbp) ## 8-byte Spill
## implicit-def: EAX
movl %eax, -496(%rbp) ## 4-byte Spill
## implicit-def: EAX
movl %eax, -492(%rbp) ## 4-byte Spill
movq %rcx, -488(%rbp) ## 8-byte Spill
## implicit-def: EAX
--
Configure bugmail: http://llvm.org/bugs/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are on the CC list for the bug.
_______________________________________________
LLVMbugs mailing list
[email protected]
http://lists.cs.uiuc.edu/mailman/listinfo/llvmbugs
