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[SystemZ] Automatically detect zEC12 and z196 hosts

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As on other hosts, the CPU identification instruction is priveleged,
so we need to look through /proc/cpuinfo.  I copied the PowerPC way of
handling "generic".

Several tests were implicitly assuming z10 and so failed on z196.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193742 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Richard Sandiford
2013-10-31 12:14:17 +00:00
parent c2884320fe
commit 793ce99ea7
23 changed files with 123 additions and 45 deletions
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5
test/CodeGen/SystemZ/frame-18.ll
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@@ -1,6 +1,7 @@
; Test spilling of GPRs.
; Test spilling of GPRs. The tests here assume z10 register pressure,
; without the high words being available.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
; We need to allocate a 4-byte spill slot, rounded to 8 bytes. The frame
; size should be exactly 160 + 8 = 168.