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Daniel Sanders 1b3341724c [mips][microMIPS] Fix an issue with selecting sqrt instruction in LLVM backend 
Summary:
This fixes 7 tests during fast LLVM test-suite run:
* MultiSource/Benchmarks/McCat/18-imp/imp
* MultiSource/Applications/oggenc/oggenc
* MultiSource/Benchmarks/MallocBench/gs/gs
* MultiSource/Benchmarks/MiBench/automotive-susan/automotive-susan
* MultiSource/Benchmarks/VersaBench/beamformer/beamformer
* MultiSource/Benchmarks/MiBench/consumer-lame/consumer-lame
* MultiSource/Benchmarks/Bullet/bullet

Error message was in the form of:
fatal error: error in backend: Cannot select: 0x95c3288: f32 = fsqrt 0x95c0190 [ORD=9] [ID=18]
  0x95c0190: f32 = fadd 0x95bef30, 0x95c4d00 [ORD=8] [ID=17]
    0x95bef30: f32 = fmul 0x95c4988, 0x95c4988 [ORD=5] [ID=16]
...

There was problem with selecting sqrt instruction in LLVM backend.

To fix the issue changes are made in TableGen definition for sqrt instruction in MipsInstrFPU.td and new test file sqrt.ll is added to LLVM regression tests.

Patch by Zlatko Buljan

Reviewers: zoran.jovanovic, hvarga, dsanders

Subscribers: llvm-commits, petarj

Differential Revision: http://reviews.llvm.org/D13235

llvm-svn: 249416
 		2015-10-06 15:17:25 +00:00
..
add.ll [mips] Add backend support for Mips32r[35] and Mips64r[35]. 2015-02-18 16:24:50 +00:00
addrspacecast.ll [mips] Reserve address spaces 1-255 for software use. 2015-09-08 09:07:03 +00:00
and.ll Revert r229675 - [mips] Avoid redundant sign extension of the result of binary bitwise instructions. 2015-08-04 14:26:35 +00:00
ashr.ll Revert r237789 - [mips] The naming convention for private labels is ABI dependant. 2015-05-20 14:18:59 +00:00
call.ll [mips] Add backend support for Mips32r[35] and Mips64r[35]. 2015-02-18 16:24:50 +00:00
extractelement.ll Fix vector splitting for extract_vector_elt and vector elements of <8-bits. 2015-09-09 09:53:20 +00:00
indirectbr.ll Revert r237789 - [mips] The naming convention for private labels is ABI dependant. 2015-05-20 14:18:59 +00:00
lshr.ll Revert r237789 - [mips] The naming convention for private labels is ABI dependant. 2015-05-20 14:18:59 +00:00
mul.ll [mips] Add backend support for Mips32r[35] and Mips64r[35]. 2015-02-18 16:24:50 +00:00
or.ll Revert r229675 - [mips] Avoid redundant sign extension of the result of binary bitwise instructions. 2015-08-04 14:26:35 +00:00
ret.ll [mips] Add backend support for Mips32r[35] and Mips64r[35]. 2015-02-18 16:24:50 +00:00
sdiv.ll [mips] Add backend support for Mips32r[35] and Mips64r[35]. 2015-02-18 16:24:50 +00:00
select.ll Revert r237789 - [mips] The naming convention for private labels is ABI dependant. 2015-05-20 14:18:59 +00:00
shl.ll Revert r237789 - [mips] The naming convention for private labels is ABI dependant. 2015-05-20 14:18:59 +00:00
sqrt.ll [mips][microMIPS] Fix an issue with selecting sqrt instruction in LLVM backend 2015-10-06 15:17:25 +00:00
srem.ll [mips] Add backend support for Mips32r[35] and Mips64r[35]. 2015-02-18 16:24:50 +00:00
sub.ll [mips] Add backend support for Mips32r[35] and Mips64r[35]. 2015-02-18 16:24:50 +00:00
udiv.ll [mips] Add backend support for Mips32r[35] and Mips64r[35]. 2015-02-18 16:24:50 +00:00
urem.ll [mips] Add backend support for Mips32r[35] and Mips64r[35]. 2015-02-18 16:24:50 +00:00
xor.ll Revert r229675 - [mips] Avoid redundant sign extension of the result of binary bitwise instructions. 2015-08-04 14:26:35 +00:00