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* ARM: be more flexible about how --mhwdiv is accepted.Tim Northover2014-03-261-0/+5
| | | | | | Patch by Gabor Ballabas. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@204807 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the __ARM_ARCH_EXT_IDIV__ predefine. It is set to 1 if we have hardware ↵Silviu Baranga2013-10-211-0/+39
divide in the mode that we are compiling in (depending on the target features), not defined if we don't. Should be compatible with the GCC conterpart. Also adding a -hwdiv option to overide the default behavior. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@193074 91177308-0d34-0410-b5e6-96231b3b80d8