Anton Korobeynikov
8bd0db7615
Provide consistent subreg idx scheme. This (hopefully) fixes remaining divide problems
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76011 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:18:17 +00:00
Anton Korobeynikov
09e39001da
Use divide single for 32 bit signed divides
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76010 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:17:52 +00:00
Anton Korobeynikov
cd3dfafef1
Add missed operands types
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76009 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:17:07 +00:00
Anton Korobeynikov
e1c9aabd77
Missed part of prev. patch
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76008 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:16:45 +00:00
Anton Korobeynikov
9b812b0131
Another attempt to fix prologue emission
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76007 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:16:26 +00:00
Anton Korobeynikov
6fe326c713
Implement 'large' PIC model
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76006 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:16:05 +00:00
Anton Korobeynikov
48e8b3cc58
Implement shifts properly (hopefilly - finally!)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76005 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:15:24 +00:00
Anton Korobeynikov
e3a7f7a2b2
Remove redundand register move
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76004 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:14:54 +00:00
Anton Korobeynikov
0a42d2b437
Properly handle divides. As a bonus - implement memory versions of them.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76003 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:14:33 +00:00
Anton Korobeynikov
d20af96f5b
Fix epic fail: full-width muls are not commutable. This unbreaks bunch of stuff from SingleSource/Benchmarks/Stanford
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76002 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:14:01 +00:00
Anton Korobeynikov
c097d5cc74
32 bit rotate is not twoaddr instruction
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76001 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:13:43 +00:00
Anton Korobeynikov
014d4639d8
32 bit shifts have only 12 bit displacements
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76000 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:13:24 +00:00
Anton Korobeynikov
54cea741ca
Add proper register aliases
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75999 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:12:54 +00:00
Anton Korobeynikov
c3a5196133
Properly generate stack frame
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75998 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:12:36 +00:00
Anton Korobeynikov
0ba60d9658
Unbreak indirect branches
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75997 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:12:18 +00:00
Anton Korobeynikov
78085ee80c
Unbreak
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75996 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:12:00 +00:00
Anton Korobeynikov
66f1b378bc
Do not forget to save R15 when we allocate stack frame
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75995 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:11:40 +00:00
Anton Korobeynikov
c94fdf76dd
All calls clobbers R14
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75994 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:11:22 +00:00
Anton Korobeynikov
6f66f0556c
Unbreak calls to vararg functions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75993 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:11:03 +00:00
Anton Korobeynikov
2bbbd5bc59
Stupid typo
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75992 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:10:49 +00:00
Anton Korobeynikov
4656760d9c
Typos
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75991 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:10:35 +00:00
Anton Korobeynikov
1ed1e3ecd4
Consolidate reg-imm / reg-reg-imm address mode selection logic in one place.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75990 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:10:17 +00:00
Anton Korobeynikov
5a11e02fbd
Fix fallout from 12-bit stuff landing: decide whether 20 bit displacements are needed during elimination of frame indexes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75989 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:09:56 +00:00
Anton Korobeynikov
720e3b00b8
Add support for 12 bit displacements
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75988 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:09:35 +00:00
Anton Korobeynikov
078e007c07
We already have reserved call frame regardless whether variable sized frame objects were present or not
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75987 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:09:04 +00:00
Anton Korobeynikov
980d5503c3
Emit proper lowering of load from arg stack slot
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75986 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:08:42 +00:00
Anton Korobeynikov
c772c4408e
Implement dynamic allocas
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75985 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:08:15 +00:00
Anton Korobeynikov
c16cdc5de7
Add jump tables
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75984 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:07:50 +00:00
Anton Korobeynikov
983d3a1ee5
Exapnd br_jt into indirect branch. Provide pattern for indirect branches.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75983 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:07:24 +00:00
Anton Korobeynikov
57b04e6fa7
Implement 64 bit immediates
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75982 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:07:06 +00:00
Anton Korobeynikov
759205d1ac
Add rotates
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75981 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:06:49 +00:00
Anton Korobeynikov
cfca8b1f62
Add patterns for integer negate
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75980 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:06:27 +00:00
Anton Korobeynikov
8c993e1632
Provide proper patterns for and with imm instructions. Tune the tests accordingly.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75979 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:06:00 +00:00
Anton Korobeynikov
25af73303f
Add 32 bit and reg-imm and disable invalid patterns for now
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75978 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:05:32 +00:00
Anton Korobeynikov
747052c1a5
Add z9 and z10 target processors. Mark z10-only instructions as such.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75977 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:05:00 +00:00
Anton Korobeynikov
71fd2600f4
Fix MUL64rm instruction asmprinting
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75976 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:04:38 +00:00
Anton Korobeynikov
70f717f0b7
Preliminary asmprinting of globals
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75975 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:04:22 +00:00
Anton Korobeynikov
ed00212f43
Implement asmprinting for odd-even regpairs
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75974 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:04:01 +00:00
Anton Korobeynikov
3166a9ac5c
32-bit ri addressing mode has only 12-bit displacement
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75973 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:03:41 +00:00
Anton Korobeynikov
501f55d841
Forgot to add
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75972 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:03:24 +00:00
Anton Korobeynikov
f366beca48
Do not put bunch of target-specific stuff into common namespace
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75971 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:03:08 +00:00
Anton Korobeynikov
d3ba2f286d
Print signed imms properly
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75970 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:02:45 +00:00
Anton Korobeynikov
4b730160bb
Provide hooks for spilling / restoring stuff
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75969 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:01:27 +00:00
Anton Korobeynikov
4cc7ce0c01
Revert thinko
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75968 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:01:10 +00:00
Anton Korobeynikov
319f381bbc
Temporary workaround problem with signed 32-bit imm's
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75967 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:00:42 +00:00
Anton Korobeynikov
64d52d4a5d
Implement InsertBranch() hook
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75966 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 14:00:10 +00:00
Anton Korobeynikov
c9d4a887f6
Pipehole pattern for i32 imm's
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75965 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:59:49 +00:00
Anton Korobeynikov
ac16b181f1
Bunch of sext_inreg patterns
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75964 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:59:18 +00:00
Anton Korobeynikov
e00f1a722f
Provide normal 32 bit load and store
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75963 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:58:43 +00:00
Anton Korobeynikov
22836d1b31
Proper lower 'small' results
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75962 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:58:24 +00:00
Anton Korobeynikov
eb68f1c661
Completel forgot about unconditional branches
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75961 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:57:52 +00:00
Anton Korobeynikov
bad769f11a
Lower addresses of globals
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75960 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:57:27 +00:00
Anton Korobeynikov
8d1837d9be
Provide "wide" muls and divs/rems
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75958 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:56:42 +00:00
Anton Korobeynikov
11275eba17
Fix thinko
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75957 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:56:11 +00:00
Anton Korobeynikov
338cf05f16
Fix epic bug with invalid regclass for R0D
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75956 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:55:51 +00:00
Anton Korobeynikov
3e980b4f11
More register pairs (now 32 bit ones)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75954 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:55:04 +00:00
Anton Korobeynikov
05a54ff12a
Add even-odd register pairs
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75953 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:54:45 +00:00
Anton Korobeynikov
2fdecaf1d5
Unbreak due to mainline api change
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75952 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:54:20 +00:00
Anton Korobeynikov
dd0239b42c
Preliminary mul lowering
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75951 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:53:55 +00:00
Anton Korobeynikov
bf0221771f
More extloads
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75950 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:53:35 +00:00
Anton Korobeynikov
7d1e39b7c6
SELECT_CC lowering
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75948 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:52:51 +00:00
Anton Korobeynikov
4ec3e5ffd1
Conditional branches and comparisons
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75947 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:52:31 +00:00
Anton Korobeynikov
c7b71bede4
Emit correct offset for PseudoSourceValue
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75946 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:52:10 +00:00
Anton Korobeynikov
656ac6f0f6
Provide proper stack offsets for outgoing arguments
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75945 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:51:53 +00:00
Anton Korobeynikov
4f9017f214
Change register allocation order to reduce amount of callee-saved regs to be spilled.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75944 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:51:34 +00:00
Anton Korobeynikov
ef5decab53
Emit callee-saved regs spills / restores
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75943 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:51:12 +00:00
Anton Korobeynikov
ba249e41f3
Some preliminary call lowering
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75941 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:50:21 +00:00
Anton Korobeynikov
3c98c616c5
Prologue / epilogue emission
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75940 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:49:49 +00:00
Anton Korobeynikov
51f613fb2b
Add simple frame index elimination
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75939 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:49:25 +00:00
Anton Korobeynikov
c4368a1507
Swap the order of imm and idx field for rri addrmode in order to make handling of rri and ri addrmodes common
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75937 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:48:42 +00:00
Anton Korobeynikov
3240740ef4
Do not truncate sign bits for negative imms
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75936 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:48:23 +00:00
Anton Korobeynikov
711d5b68e0
Add address computation stuff
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75935 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:47:59 +00:00
Anton Korobeynikov
dfd0dffa36
Cleanup
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75934 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:47:36 +00:00
Anton Korobeynikov
c8301d17a8
Add mem-imm stores
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75933 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:47:14 +00:00
Anton Korobeynikov
30da5380e0
[PATCH 023/155] Typo
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75932 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:45:22 +00:00
Anton Korobeynikov
961bb6f430
Add stores and truncstores
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75931 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:45:00 +00:00
Anton Korobeynikov
dc28955b3f
Add patterns for various extloads
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75930 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:44:30 +00:00
Anton Korobeynikov
3360da9772
Do some heroic rri address matching (shamelessly stolen from x86 backend). Not tested though.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75929 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:44:00 +00:00
Anton Korobeynikov
4cad7d29fc
Change register allocation order, so R0 will be allocated the last among scratch. This will make address-calculation code much more happy.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75928 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:43:40 +00:00
Anton Korobeynikov
9e4816e09f
Add shifts and reg-imm address matching
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75927 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:43:18 +00:00
Anton Korobeynikov
a51752cbea
Add bunch of 32-bit patterns... Uffff :)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75926 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:42:31 +00:00
Anton Korobeynikov
e0167c1d5a
Add 32 bit subregs
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75923 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:35:30 +00:00
Anton Korobeynikov
9342d3180a
Add another bunch of reg-imm patterns for add/or/and/xor
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75922 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:35:08 +00:00
Anton Korobeynikov
da308c9a67
Add bunch of reg-imm movs
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75921 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:34:50 +00:00
Anton Korobeynikov
fc9ceeaad8
Proper match halfword-imm operands for mov and add
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75920 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:34:24 +00:00
Anton Korobeynikov
89edcd0927
Provide masked reg-imm 'or' and 'and'
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75919 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:33:57 +00:00
Anton Korobeynikov
e6220fb230
Add reg-reg and pattern
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75917 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:32:49 +00:00
Anton Korobeynikov
bdc9081693
Add sub reg-reg pattern
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75916 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:32:16 +00:00
Anton Korobeynikov
b573f99ab7
Add xor reg-reg pattern
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75915 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:31:28 +00:00
Anton Korobeynikov
26ba0b1ec5
Add or reg-reg pattern.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75914 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:30:53 +00:00
Anton Korobeynikov
0676d2887a
Add add reg-reg and reg-imm patterns
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75913 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:30:15 +00:00
Anton Korobeynikov
1cc9dc7267
Add simple reg-reg and reg-imm moves
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75912 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:29:38 +00:00
Anton Korobeynikov
87a24e3ee4
Minimal lowering for formal_arguments / ret
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75911 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:28:59 +00:00
Anton Korobeynikov
4403b930f8
Let's start another backend :)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75909 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 13:27:25 +00:00
Richard Osborne
db9e697725
Combine an unaligned store of unaligned load into a memmove.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75908 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 12:50:48 +00:00
Richard Osborne
787e90f862
Lower the threshold at which memcpy / memmove / memset stop being expanded
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inline in the XCore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75906 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 12:41:34 +00:00
Richard Osborne
ff4149b903
Fix typo in last commit on expansion of unaligned loads.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75903 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 10:48:47 +00:00
Richard Osborne
ccb7e96ef0
Expand unaligned 32 bit loads from an address which is a constant
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offset from a 32 bit aligned base as follows:
ldw low, base[offset >> 2]
ldw high, base[(offset >> 2) + 1]
shr low_shifted, low, (offset & 0x3) * 8
shl high_shifted, high, 32 - (offset & 0x3) * 8
or result, low_shifted, high_shifted
Expand 32 bit loads / stores with 16 bit alignment into two 16 bit
loads / stores.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75902 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 10:42:35 +00:00
Richard Osborne
7f47ce9662
Custom lower unaligned 32 bit stores and loads into libcalls. This is
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a big code size win since before they were expanding to upto 16
instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75901 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 10:21:18 +00:00
Evan Cheng
378445303b
Let callers decide the sub-register index on the def operand of rematerialized instructions.
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Avoid remat'ing instructions whose def have sub-register indices for now. It's just really really hard to get all the cases right.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75900 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 09:20:10 +00:00