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* Update aosp/master LLVM for rebase to r235153Pirama Arumuga Nainar2015-05-181-0/+5
| | | | | Change-Id: I9bf53792f9fc30570e81a8d80d296c681d005ea7 (cherry picked from commit 0c7f116bb6950ef819323d855415b2f2b0aad987)
* Update LLVM for rebase to r212749.Stephen Hines2014-07-211-0/+15
| | | | | | | Includes a cherry-pick of: r212948 - fixes a small issue with atomic calls Change-Id: Ib97bd980b59f18142a69506400911a6009d9df18
* Update to LLVM 3.5a.Stephen Hines2014-04-241-0/+100
| | | | Change-Id: Ifadecab779f128e62e430c2b4f6ddd84953ed617
* [SystemZ] Add the general form of BCRRichard Sandiford2013-11-131-0/+8
| | | | | | | At the moment this is just the MC support. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194585 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add comparisons of high words and memoryRichard Sandiford2013-10-011-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191777 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add comparisons of large immediates using high wordsRichard Sandiford2013-10-011-0/+10
| | | | | | | | There are no corresponding patterns for small immediates because they would prevent the use of fused compare-and-branch instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191775 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add immediate addition involving high wordsRichard Sandiford2013-10-011-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191774 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add truncating high-word stores (STCH and STHH)Richard Sandiford2013-10-011-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191743 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add zero-extending high-word loads (LLCH and LLHH)Richard Sandiford2013-10-011-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191742 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add sign-extending high-word loads (LBH and LHH)Richard Sandiford2013-10-011-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191740 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Reapply: Add definitions of LFH and STFHRichard Sandiford2013-10-011-0/+10
| | | | | | | | Originally committed as r191661, but reverted because it changed the matching order of comparisons on some hosts. That should have been fixed by r191735. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191738 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Revert r191661: Add definitions of LFH and STFHRichard Sandiford2013-09-301-10/+0
| | | | | | | | | For some reason, adding definitions for these load and store instructions changed whether some of the build bots matched comparisons as signed or unsigned. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191663 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add definitions of LFH and STFHRichard Sandiford2013-09-301-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191661 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add unsigned compare-and-branch instructionsRichard Sandiford2013-09-181-0/+96
| | | | | | | | | | | | | | | | For some reason I never got around to adding these at the same time as the signed versions. No idea why. I'm not sure whether this SystemZII::BranchC* stuff is useful, or whether it should just be replaced with an "is normal" flag. I'll leave that for later though. There are some boundary conditions that can be tweaked, such as preferring unsigned comparisons for equality with [128, 256), and "<= 255" over "< 256", but again I'll leave those for a separate patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190930 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add TM and TMYRichard Sandiford2013-09-101-0/+34
| | | | | | | | | | | | | | | | | | | | | | | | The main complication here is that TM and TMY (the memory forms) set CC differently from the register forms. When the tested bits contain some 0s and some 1s, the register forms set CC to 1 or 2 based on the value the uppermost bit. The memory forms instead set CC to 1 regardless of the uppermost bit. Until now, I've tried to make it so that a branch never tests for an impossible CC value. E.g. NR only sets CC to 0 or 1, so branches on the result will only test for 0 or 1. Originally I'd tried to do the same thing for TM and TMY by using custom matching code in ISelDAGToDAG. That ended up being very ugly though, and would have meant duplicating some of the chain checks that the common isel code does. I've therefore gone for the simpler alternative of adding an extra operand to the TM DAG opcode to say whether a memory form would be OK. This means that the inverse of a "TM;JE" is "TM;JNE" rather than the more precise "TM;JNLE", just like the inverse of "TMLL;JE" is "TMLL;JNE". I suppose that's arguably less confusing though... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190400 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add NC, OC and XCRichard Sandiford2013-09-051-0/+132
| | | | | | | | For now these are just used to handle scalar ANDs, ORs and XORs in which all operands are memory. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190041 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add support for TMHH, TMHL, TMLH and TMLLRichard Sandiford2013-08-281-0/+32
| | | | | | | | | | For now just handles simple comparisons of an ANDed value with zero. The CC value provides enough information to do any comparison for a 2-bit mask, and some nonzero comparisons with more populated masks, but that's all future work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189469 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add basic prefetch supportRichard Sandiford2013-08-231-0/+34
| | | | | | | Just the instructions and intrinsics for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189100 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add FI[EDX]BRARichard Sandiford2013-08-211-0/+15
| | | | | | | | These are extensions of the existing FI[EDX]BR instructions, but use a spare bit to suppress inexact conditions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188894 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add a definition of the CLC instructionRichard Sandiford2013-08-121-0/+44
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188162 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add floating-point load-and-test instructionsRichard Sandiford2013-08-071-0/+8
| | | | | | | These instructions can also be used as comparisons with zero. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187882 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add definitions for BRCT and BRCTGRichard Sandiford2013-08-051-0/+28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187721 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add LOAD AND TEST instructionsRichard Sandiford2013-08-051-0/+24
| | | | | | | Just the definitions and MC support. The next patch uses them for codegen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187719 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add RISBLG and RISBHG instruction definitionsRichard Sandiford2013-07-311-0/+10
| | | | | | | The next patch will make use of RISBLG for codegen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187490 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add tests for ALHSIK and ALGHSIKRichard Sandiford2013-07-191-0/+10
| | | | | | | | The insn definitions themselves crept into r186689, sorry. This should be the last of the distinct-ops instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186690 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add ALRK, AGLRK, SLRK and SGLRKRichard Sandiford2013-07-191-0/+20
| | | | | | | | Follows the same lines as r186686, but much more limited, since we only use ADD LOGICAL for multi-i64 additions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186689 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add AHIK and AGHIKRichard Sandiford2013-07-191-0/+10
| | | | | | | | I did these as a separate patch because it uses a slightly different form of RIE layout. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186687 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add ARK, AGRK, SRK and SGRKRichard Sandiford2013-07-191-0/+20
| | | | | | | The testsuite changes follow the same lines as for r186683. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186686 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add NGRK, OGRK and XGRKRichard Sandiford2013-07-191-0/+15
| | | | | | | Like r186683, but for 64 bits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186685 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add NRK, ORK and XRKRichard Sandiford2013-07-191-0/+15
| | | | | | | | | | | | | The atomic tests assume the two-operand forms, so I've restricted them to z10. Running and-01.ll, or-01.ll and xor-01.ll for z196 as well as z10 shows why using convertToThreeAddress() is better than exposing the three-operand forms first and then converting back to two operands where possible (which is what I'd originally tried). Using the three-operand form first stops us from taking advantage of NG, OG and XG for spills. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186683 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Start adding z196 and zEC12 supportRichard Sandiford2013-07-191-1/+17
| | | | | | | | | | | | | This first step just adds definitions for SLLK, SRLK and SRAK. The next patch will actually make use of them during codegen. insn-bad.s tests that some form of error is reported when using these instructions on z10. More work is needed to get the "instruction requires: distinct-ops" that we'd ideally like, so I've stubbed that part out for now. I'll come back and make it mandatory once the necessary changes are in. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186680 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add MC support for R[NOX]SBGRichard Sandiford2013-07-161-0/+60
| | | | | | | CodeGen support will come later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186401 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Allow 8-bit operands to RISBGRichard Sandiford2013-07-111-4/+4
| | | | | | | | | | | | | RISBG has three 8-bit operands (I3, I4 and I5). I'd originally restricted all three to 6 bits, since that's the only range we intended to use at the time. However, the top bit of I4 acts as a "zero" flag for RISBG, while the top bit of I3 acts as a "test" flag for RNSBG & co. This patch therefore allows them to have the full 8-bit range. I've left the fifth operand as a 6-bit value for now since the upper 2 bits have no defined meaning. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186070 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add the MVC instructionRichard Sandiford2013-07-021-0/+44
| | | | | | | | | | This is the first use of D(L,B) addressing, which required a fair bit of surgery. For that reason, the patch just adds the instruction definition and the associated assembler and disassembler support. A later patch will actually make use of it for codegen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185433 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Immediate compare-and-branch supportRichard Sandiford2013-05-291-0/+60
| | | | | | | This patch adds support for the CIJ and CGIJ instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182846 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Register compare-and-branch supportRichard Sandiford2013-05-281-0/+44
| | | | | | | | | | | | | | | This patch adds support for the CRJ and CGRJ instructions. Support for the immediate forms will be a separate patch. The architecture has a large number of comparison instructions. I think it's generally better to concentrate on using the "best" comparison instruction first and foremost, then only use something like CRJ if CR really was the natual choice of comparison instruction. The patch therefore opportunistically converts separate CR and BRC instructions into a single CRJ while emitting instructions in ISelLowering. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182764 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Improve AsmParser register parsingRichard Sandiford2013-05-241-364/+48
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The idea is to make sure that: (1) "register expected" is restricted to cases where ParseRegister() is called and the token obviously isn't a register. (2) "invalid register" is restricted to cases where a register-like "%..." sequence is found, but the "..." makes no sense. (3) the generic "invalid operand for instruction" is used in cases where the wrong register type is used (GPR instead of FPR, etc.). (4) the new "invalid register pair" is used if the register has the right type, but is not a valid register pair. Testing of (1)-(3) is now restricted to regs-bad.s. It uses a representative instruction for each register class to make sure that only registers from that class are accepted. (4) is tested by both regs-bad.s (which checks all invalid register pairs) and insn-bad.s (which tests one invalid pair for each instruction that requires a pair). While there, I changed "Number" to "Num" for consistency with the operand class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182643 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Make use of SUBTRACT HALFWORDRichard Sandiford2013-05-151-0/+16
| | | | | | | Thanks to Ulrich Weigand for noticing that this instruction was missing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181893 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Consolidate assembler tests into 4 big testsRichard Sandiford2013-05-151-0/+2771
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181878 91177308-0d34-0410-b5e6-96231b3b80d8
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