Commit Graph

5 Commits

Author SHA1 Message Date
Eric Christopher a9353d1798 Add the first backend support for on demand subtarget creation
based on the Function. This is currently used to implement
mips16 support in the mips backend via the existing module
pass resetting the subtarget.

Things to note:

a) This involved running resetTargetOptions before creating a
new subtarget so that code generation options like soft-float
could be recognized when creating the new subtarget. This is
to deal with initialization code in isel lowering that only
paid attention to the initial value.

b) Many of the existing testcases weren't using the soft-float
feature correctly. I've corrected these based on the check
values assuming that was the desired behavior.

c) The mips port now pays attention to the target-cpu and
target-features strings when generating code for a particular
function. I've removed these from one function where the
requested cpu and features didn't match the check lines in
the testcase.

llvm-svn: 218492
2014-09-26 01:44:08 +00:00
Simon Atanasyan 1093afe27a [Mips] Adjust float ABI settings in case of MIPS16 mode.
Hard float for mips16 means essentially to compile as soft float but to
use a runtime library for soft float that is written with native mips32
floating point instructions (those runtime routines run in mips32 hard
float mode).

The patch reviewed by Reed Kotler.

llvm-svn: 195123
2013-11-19 12:20:17 +00:00
Bill Wendling 187d3ddc50 Update to remove the no-frame-pointer-elim-non-leaf flag if it was set to 'false'.
llvm-svn: 189068
2013-08-22 21:28:54 +00:00
Reed Kotler 75653a0677 Add checks that the proper predeined stubs are being called to the test case.
These were accidentally omitted.

llvm-svn: 182347
2013-05-21 01:27:36 +00:00
Reed Kotler 0fed8d4ef7 Add some additional functions to the list of helper functions for
pic calls. These need to be there so we don't try and use helper
functions when we call those.

As part of this, make sure that we properly exclude helper functions in pic
mode when indirect calls are involved.

llvm-svn: 182343
2013-05-21 00:50:30 +00:00