diff options
| author | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2013-08-28 09:01:51 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2013-08-28 09:01:51 +0000 |
| commit | be133a8757103c430a36f15d6210f99a0206921f (patch) | |
| tree | b7fbe8c30f705b3149550df35217d029f41e6e49 /llvm/test/CodeGen/SystemZ/memcmp-02.ll | |
| parent | fab933641342fb3c6695789117634018be37a6aa (diff) | |
| download | bcm5719-llvm-be133a8757103c430a36f15d6210f99a0206921f.tar.gz bcm5719-llvm-be133a8757103c430a36f15d6210f99a0206921f.zip | |
[SystemZ] Extend memcmp support to all constant lengths
This uses the infrastructure added for memcpy and memmove in r189331.
llvm-svn: 189458
Diffstat (limited to 'llvm/test/CodeGen/SystemZ/memcmp-02.ll')
| -rw-r--r-- | llvm/test/CodeGen/SystemZ/memcmp-02.ll | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/llvm/test/CodeGen/SystemZ/memcmp-02.ll b/llvm/test/CodeGen/SystemZ/memcmp-02.ll index cae3d3d4943..74b090dcdd8 100644 --- a/llvm/test/CodeGen/SystemZ/memcmp-02.ll +++ b/llvm/test/CodeGen/SystemZ/memcmp-02.ll @@ -125,10 +125,14 @@ exit: ret i64 %res } -; 257 bytes is too big for a single CLC. For now expect a call instead. +; 257 bytes needs two CLCs. define i64 @f8(i8 *%src1, i8 *%src2) { ; CHECK-LABEL: f8: -; CHECK: brasl %r14, memcmp@PLT +; CHECK: clc 0(256,%r2), 0(%r3) +; CHECK: jlh [[LABEL:\..*]] +; CHECK: clc 256(1,%r2), 256(%r3) +; CHECK: [[LABEL]]: +; CHECK: ipm [[REG:%r[0-5]]] ; CHECK: br %r14 %res = call i64 @memcmp(i8 *%src1, i8 *%src2, i64 257) ret i64 %res |
