Chris Lattner
9ca15c8914
Pretty print 'rldicr r2, r2, 2, 61' as 'sldi r2, r2, 2'.
...
llvm-svn: 31838
2006-11-18 01:23:56 +00:00
Chris Lattner
542dfd5510
Rewrite the branch selector to be correct in the face of large functions.
...
The algorithm it used before wasn't 100% correct, we now use an iterative
expansion model. This fixes assembler errors when compiling 403.gcc with
tail merging enabled.
Change the way the branch selector works overall: Now, the isel generates
PPC::BCC instructions (as it used to) directly, and these BCC instructions
are emitted to the output or jitted directly if branches don't need
expansion. Only if branches need expansion are instructions rewritten
and created. This should make branch select faster, and eliminates the
Bxx instructions from the .td file.
llvm-svn: 31837
2006-11-18 00:32:03 +00:00
Chris Lattner
33fc1d45e5
add encoding for BCC, after finally wrestling strange ppc/tblgen endianness
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issues to the ground.
llvm-svn: 31836
2006-11-17 23:53:28 +00:00
Chris Lattner
be9377a1e3
convert PPC::BCC to use the 'pred' operand instead of separate predicate
...
value and CR reg #. This requires swapping the order of these everywhere
that touches BCC and requires us to write custom matching logic for
PPCcondbranch :(
llvm-svn: 31835
2006-11-17 22:37:34 +00:00
Chris Lattner
e0263794f4
rename PPC::COND_BRANCH to PPC::BCC
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llvm-svn: 31834
2006-11-17 22:14:47 +00:00
Chris Lattner
8c6a41ea12
start using PPC predicates more consistently.
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llvm-svn: 31833
2006-11-17 22:10:59 +00:00
Evan Cheng
9e8093ae20
For unsigned 8-bit division. Use movzbw to set the lower 8 bits of AX while
...
clearing the upper 8-bits instead of issuing two instructions. This also
eliminates the need to target the AH register which can be problematic on
x86-64.
llvm-svn: 31832
2006-11-17 22:10:14 +00:00
Jim Laskey
de5fa025ab
Hopefully a good crack at making debugging work on intel -disable-fp-elim.
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llvm-svn: 31830
2006-11-17 21:19:15 +00:00
Jim Laskey
73106b5e2a
Assert unhandled case.
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llvm-svn: 31828
2006-11-17 18:49:39 +00:00
Jim Laskey
1823346b3e
1. Ignore the -disable-fp-elim when the routine is a leaf.
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2. Offsets on 64-bit stores are still in bytes.
llvm-svn: 31824
2006-11-17 16:09:31 +00:00
Jim Laskey
91542a4f2d
Typo. Fix the nightly tests.
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llvm-svn: 31823
2006-11-17 14:06:41 +00:00
Jim Laskey
da0add3fd0
Fixing the ENABLE_OPTIMIZED=1 DISABLE_ASSERTIONS=1 build.
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llvm-svn: 31822
2006-11-17 13:07:55 +00:00
Bill Wendling
9594f3a196
Moved definition of llvm_ostream wrappers to the Streams.cpp file.
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llvm-svn: 31819
2006-11-17 09:54:47 +00:00
Bill Wendling
3315869498
Added wrappers for the std::cerr/std::cout objects. The wrappers will
...
soon replace all uses of those objects.
llvm-svn: 31817
2006-11-17 09:51:22 +00:00
Bill Wendling
9b04e3b875
Needed <iostream> for now.
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llvm-svn: 31816
2006-11-17 09:44:28 +00:00
Bill Wendling
4479c92da5
Needs the iostream include.
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llvm-svn: 31815
2006-11-17 09:38:03 +00:00
Bill Wendling
6a462f1e99
Removed iostream #includes. Replaced std::cerr with DOUT.
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llvm-svn: 31814
2006-11-17 08:03:48 +00:00
Bill Wendling
c8e81b8d48
Removed even more std::cerr and #include <iostream> things.
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llvm-svn: 31813
2006-11-17 07:52:03 +00:00
Bill Wendling
4b1a04ac62
Replaced DEBUG(std::cerr with DOUT.
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llvm-svn: 31812
2006-11-17 07:36:54 +00:00
Bill Wendling
fc9063e9cd
Replace DEBUG(std::cerr with DOUT. Removed some iostream #includes.
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llvm-svn: 31811
2006-11-17 07:33:59 +00:00
Bill Wendling
3216551491
Removed unneeded <iostream> #include.
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llvm-svn: 31810
2006-11-17 07:10:51 +00:00
Chris Lattner
21eba2da26
If an indvar with a variable stride is used by the exit condition, go ahead
...
and handle it like constant stride vars. This fixes some bad codegen in
variable stride cases. For example, it compiles this:
void foo(int k, int i) {
for (k=i+i; k <= 8192; k+=i)
flags2[k] = 0;
}
to:
LBB1_1: #bb.preheader
movl %eax, %ecx
addl %ecx, %ecx
movl L_flags2$non_lazy_ptr, %edx
LBB1_2: #bb
movb $0, (%edx,%ecx)
addl %eax, %ecx
cmpl $8192, %ecx
jle LBB1_2 #bb
LBB1_5: #return
ret
or (if the array is local and we are in dynamic-nonpic or static mode):
LBB3_2: #bb
movb $0, _flags2(%ecx)
addl %eax, %ecx
cmpl $8192, %ecx
jle LBB3_2 #bb
and:
lis r2, ha16(L_flags2$non_lazy_ptr)
lwz r2, lo16(L_flags2$non_lazy_ptr)(r2)
slwi r3, r4, 1
LBB1_2: ;bb
li r5, 0
add r6, r4, r3
stbx r5, r2, r3
cmpwi cr0, r6, 8192
bgt cr0, LBB1_5 ;return
instead of:
leal (%eax,%eax,2), %ecx
movl %eax, %edx
addl %edx, %edx
addl L_flags2$non_lazy_ptr, %edx
xorl %esi, %esi
LBB1_2: #bb
movb $0, (%edx,%esi)
movl %eax, %edi
addl %esi, %edi
addl %ecx, %esi
cmpl $8192, %esi
jg LBB1_5 #return
and:
lis r2, ha16(L_flags2$non_lazy_ptr)
lwz r2, lo16(L_flags2$non_lazy_ptr)(r2)
mulli r3, r4, 3
slwi r5, r4, 1
li r6, 0
add r2, r2, r5
LBB1_2: ;bb
li r5, 0
add r7, r3, r6
stbx r5, r2, r6
add r6, r4, r6
cmpwi cr0, r7, 8192
ble cr0, LBB1_2 ;bb
This speeds up Benchmarks/Shootout/sieve from 8.533s to 6.464s and
implements LoopStrengthReduce/var_stride_used_by_compare.ll
llvm-svn: 31809
2006-11-17 06:17:33 +00:00
Bill Wendling
9d46fcd59c
More removal of std::cerr and DEBUG, replacing with DOUT instead.
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llvm-svn: 31806
2006-11-17 02:09:07 +00:00
Chris Lattner
3b7261b18e
implement a todo: change a map into a vector
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llvm-svn: 31805
2006-11-17 01:52:23 +00:00
Bill Wendling
d108b9a60d
Replace std::cerr uses of the "DEBUG" macro with "DOUT" instead. Removes
...
a #include of iostream.
llvm-svn: 31800
2006-11-17 00:50:36 +00:00
Chris Lattner
be1a4d80b3
fix typo
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llvm-svn: 31799
2006-11-17 00:49:36 +00:00
Bill Wendling
d7fda04420
Added "DOUT" macro. This is used as a replacement for the std::cerr
...
stream. It centralizes the use of std::cerr so that static c'tor/d'tors
aren't scattered around all over the place. The way to use it is like this:
DOUT << "This is a status line: " << Var << "\n";
If "-debug" is specified, it will print. Otherwise, it'll not print. If
NDEBUG is defined, the DOUT does nothing.
llvm-svn: 31798
2006-11-17 00:49:12 +00:00
Chris Lattner
a715288b40
implicit_def_vrrc doesn't generate code.
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llvm-svn: 31797
2006-11-16 23:49:52 +00:00
Evan Cheng
572dc9cb4e
Correct instructions for moving data between GR64 and SSE registers; also correct load i64 / store i64 from v2i64.
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llvm-svn: 31795
2006-11-16 23:33:25 +00:00
Evan Cheng
7ae482c52a
Fix a potential bug: MOVPDI2DI, etc. are not copy instructions.
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llvm-svn: 31794
2006-11-16 23:22:26 +00:00
Jim Laskey
48850c10c0
This is a general clean up of the PowerPC ABI. Address several problems and
...
bugs including making sure that the TOS links back to the previous frame,
that the maximum call frame size is not included twice when using frame
pointers, no longer growing the frame on calls, double storing of SP and
a cleaner/faster dynamic alloca.
llvm-svn: 31792
2006-11-16 22:43:37 +00:00
Chris Lattner
30055b9208
fix a regression that I introduced. stdu should scale the offset by 4
...
before printing it.
llvm-svn: 31791
2006-11-16 21:45:30 +00:00
Evan Cheng
c5e769710e
Align stubs on 4 byte boundary. This fixes 447.dealII.
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llvm-svn: 31790
2006-11-16 20:13:34 +00:00
Bill Wendling
8969ebca44
*** empty log message ***
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llvm-svn: 31789
2006-11-16 20:11:33 +00:00
Evan Cheng
e03ca9b0b4
Allow target to specify alignment for function stub.
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llvm-svn: 31788
2006-11-16 20:04:54 +00:00
Evan Cheng
9fd73b8a7f
Match MachineCodeEmitter changes.
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llvm-svn: 31787
2006-11-16 20:04:04 +00:00
Chris Lattner
96d7386006
add a statistic
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llvm-svn: 31785
2006-11-16 18:13:49 +00:00
Bill Wendling
d811cc6818
Don't recompute getNumOperands for each iteration.
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llvm-svn: 31783
2006-11-16 07:35:18 +00:00
Bill Wendling
c7969fd1e7
Added a new method "CreateNewLiveInterval" which, given a list of
...
LiveRanges, creates a new LiveInterval from them. The LiveRanges should
have existed already in another LiveInterval, but removed.
llvm-svn: 31780
2006-11-16 02:41:50 +00:00
Chris Lattner
a7ff5162b0
fix broken encoding
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llvm-svn: 31778
2006-11-16 01:01:28 +00:00
Chris Lattner
e0a70388c2
enable the branch folding pass for the JIT.
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llvm-svn: 31777
2006-11-16 01:00:07 +00:00
Chris Lattner
e742d9a4b7
add ppc64 r+i stores with update.
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llvm-svn: 31776
2006-11-16 00:57:19 +00:00
Chris Lattner
6f5840c409
add patterns for ppc32 preinc stores. ppc64 next.
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llvm-svn: 31775
2006-11-16 00:41:37 +00:00
Chris Lattner
3a494989a6
switch these back to the 'bad old way'
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llvm-svn: 31774
2006-11-16 00:33:34 +00:00
Evan Cheng
f64da389f8
Fix an incorrectly inverted condition.
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llvm-svn: 31773
2006-11-16 00:08:20 +00:00
Chris Lattner
b4e911d15a
Fix ppc64 epilog bug.
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llvm-svn: 31771
2006-11-15 23:35:30 +00:00
Chris Lattner
5771156be0
Stop using isTwoAddress, switching to operand constraints instead.
...
Tell the codegen emitter that specific operands are not to be encoded, fixing
JIT regressions w.r.t. pre-inc loads and stores (e.g. lwzu, which we generate
even when general preinc loads are not enabled).
llvm-svn: 31770
2006-11-15 23:24:18 +00:00
Chris Lattner
5c23899c7d
add a new field needed by the code emitter generator.
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llvm-svn: 31768
2006-11-15 22:55:04 +00:00
Evan Cheng
dc2c8748a7
Properly transfer kill / dead info.
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llvm-svn: 31765
2006-11-15 20:58:11 +00:00
Evan Cheng
bbbcac39e6
Kill / dead info has been moved to MI's.
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llvm-svn: 31764
2006-11-15 20:56:39 +00:00