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Commit Graph

17245 Commits

Author SHA1 Message Date
Misha Brukman
b0fce1668a Fix grammar
llvm-svn: 19854
2005-01-27 06:46:38 +00:00
Andrew Lenharth
4283bf1216 teach isel about comparison with constants and zero extending bits
llvm-svn: 19853
2005-01-27 03:49:45 +00:00
Jeff Cohen
1502dd24d9 Fix some Path bugs
llvm-svn: 19852
2005-01-27 03:49:03 +00:00
Andrew Lenharth
b539dd2c83 perhaps this will let me have calls again
llvm-svn: 19851
2005-01-27 01:22:48 +00:00
Andrew Lenharth
227bc0e21a minor bug fix
llvm-svn: 19850
2005-01-27 00:52:26 +00:00
Andrew Lenharth
ae8ce1856a minor bug fix
llvm-svn: 19849
2005-01-27 00:51:05 +00:00
Andrew Lenharth
11fc660a34 added instructions for fp to int to fp moves
llvm-svn: 19848
2005-01-26 23:56:48 +00:00
Andrew Lenharth
1f0b710fb6 initial fp support
llvm-svn: 19847
2005-01-26 21:54:09 +00:00
Chris Lattner
7e3c525545 xfail this.
llvm-svn: 19846
2005-01-26 07:09:44 +00:00
Chris Lattner
3d5c2bedca XFAIL this for now.
llvm-svn: 19845
2005-01-26 07:08:42 +00:00
Andrew Lenharth
f9f01c190b hum, writing on one machine, testing on another...
llvm-svn: 19844
2005-01-26 02:53:56 +00:00
Andrew Lenharth
53ad9ac1db add some operations, fix others. should compile several more tests now
llvm-svn: 19843
2005-01-26 01:24:38 +00:00
Chris Lattner
ab92b92bc5 We can fold promoted and non-promoted loads into divs also!
llvm-svn: 19835
2005-01-25 20:35:10 +00:00
Chris Lattner
a9a0369879 Fold promoted loads into binary ops for FP, allowing us to generate m32 forms
of FP ops.

llvm-svn: 19834
2005-01-25 20:03:11 +00:00
Andrew Lenharth
4e10c17eeb problems with bools, and their work arounds
llvm-svn: 19833
2005-01-25 19:58:40 +00:00
Alkis Evlogimenos
eb6bfe9cee Add a dependency to the trace library so that it gets pulled in
automatically.

llvm-svn: 19828
2005-01-25 16:23:57 +00:00
Reid Spencer
24fe4dbc5a Document the --load option.
llvm-svn: 19822
2005-01-25 05:04:49 +00:00
Andrew Lenharth
3ae267eb3b more load choices, better add with imm
llvm-svn: 19821
2005-01-25 00:35:34 +00:00
Chris Lattner
f03b87704f Make -ds-aa more useful, allowing it to be updated as xforms hack on the program.
llvm-svn: 19818
2005-01-24 20:00:14 +00:00
Chris Lattner
d009d52fe5 Add some methods.
llvm-svn: 19817
2005-01-24 19:55:34 +00:00
Andrew Lenharth
3b44cfa26d Clean ups, and taught the instruction selector about immediate forms
llvm-svn: 19816
2005-01-24 19:44:07 +00:00
Andrew Lenharth
3c6e50e63b Alpha JIT prune
llvm-svn: 19815
2005-01-24 18:48:22 +00:00
Andrew Lenharth
ae874f0d85 include prune and JIT prune
llvm-svn: 19814
2005-01-24 18:45:41 +00:00
Andrew Lenharth
e3991f8256 Pruned includes
llvm-svn: 19813
2005-01-24 18:37:48 +00:00
Andrew Lenharth
20aea81ffe let configure recognize Alphas
llvm-svn: 19811
2005-01-24 17:33:52 +00:00
Andrew Lenharth
ca8c8001ab let configure recognize Alphas
llvm-svn: 19810
2005-01-24 17:25:41 +00:00
Misha Brukman
1c84cfeaa6 Mark CVS versions different from releases
llvm-svn: 19809
2005-01-24 16:29:24 +00:00
Misha Brukman
b2961bf931 primitive' has no a'
llvm-svn: 19808
2005-01-24 16:28:03 +00:00
Chris Lattner
b7a64c49f0 Do not return true from isSized for things without a size (like functions and
labels) even though they are concrete.  This fixes the DSA regressions from
last night.

llvm-svn: 19807
2005-01-24 16:00:52 +00:00
Chris Lattner
766ad3378c This giant patch speeds up Type::isSized(). Before, this would have to search
large nested types over and over again to determine if they are sized or not.
Now, isSized() is able to make snap decisions about all concrete types, which
are a common occurance (and includes all primitives).

On 177.mesa, this speeds up DSE from 39.5s -> 21.3s and GCSE from
13.2s -> 11.3s, reducing gccas time from 80s -> 61s (this is a debug build).

DSE and GCSE are still too slow on this testcase, but this is a simple
improvement.

llvm-svn: 19800
2005-01-24 02:08:34 +00:00
Chris Lattner
88a4c43e67 Fix a spurious warning.
llvm-svn: 19799
2005-01-24 01:40:18 +00:00
Chris Lattner
6ff85c3152 Silence a warning.
llvm-svn: 19798
2005-01-23 23:20:06 +00:00
Chris Lattner
849899e193 Silence optimized warnings.
llvm-svn: 19797
2005-01-23 23:19:44 +00:00
Chris Lattner
94952e0947 Allow the FP stackifier to completely ignore functions that do not use FP at
all.  This should speed up the X86 backend fairly significantly on integer
codes.  Now if only we didn't have to compute livevar still... ;-)

llvm-svn: 19796
2005-01-23 23:13:59 +00:00
Chris Lattner
65fc8007cd Simplify/speedup the PEI by not having to scan for uses of the callee saved
registers.  This information is computed directly by the register allocator
now.

llvm-svn: 19795
2005-01-23 23:13:12 +00:00
Chris Lattner
65c4c91477 Add an accessor.
llvm-svn: 19794
2005-01-23 22:57:27 +00:00
Chris Lattner
556679b89d Update physregsused info.
llvm-svn: 19793
2005-01-23 22:55:45 +00:00
Chris Lattner
cc22be2981 Update this pass to set PhysRegsUsed info in MachineFunction.
llvm-svn: 19792
2005-01-23 22:51:56 +00:00
Chris Lattner
964297fc32 Update these register allocators to set the PhysRegUsed info in MachineFunction.
llvm-svn: 19791
2005-01-23 22:45:13 +00:00
Chris Lattner
6a6d5cf9eb Add support for the PhysRegsUsed array.
llvm-svn: 19789
2005-01-23 22:13:58 +00:00
Chris Lattner
38249d15df Expose more information from register allocation to passes that run after
it.

llvm-svn: 19788
2005-01-23 22:13:36 +00:00
Chris Lattner
c187b917f2 Speed this up a bit by making ModifiedRegs a vector<char> not vector<bool>
llvm-svn: 19787
2005-01-23 21:45:01 +00:00
Chris Lattner
ab2ab313d3 Get rid of a several dozen more and instructions in specint.
llvm-svn: 19786
2005-01-23 20:26:55 +00:00
Chris Lattner
ab1804175d Fix crash comparing empty file against nonempty file.
llvm-svn: 19782
2005-01-23 06:02:40 +00:00
Chris Lattner
b3a5fc3ec0 Adjust to changes in SelectionDAG interfaces
The first half of correct chain insertion for libcalls. This is not enough
to fix Fhourstones yet though.

llvm-svn: 19781
2005-01-23 04:42:50 +00:00
Chris Lattner
3165569ba9 Remove the 3 HACK HACK HACKs I put in before, fixing them properly with
the new TLI that is available.

Implement support for handling out of range shifts.  This allows us to
compile this code (a 64-bit rotate):

unsigned long long f3(unsigned long long x) {
  return (x << 32) | (x >> (64-32));
}

into this:

f3:
        mov %EDX, DWORD PTR [%ESP + 4]
        mov %EAX, DWORD PTR [%ESP + 8]
        ret

GCC produces this:

$ gcc t.c -masm=intel -O3 -S -o - -fomit-frame-pointer
..
f3:
        push    %ebx
        mov     %ebx, DWORD PTR [%esp+12]
        mov     %ecx, DWORD PTR [%esp+8]
        mov     %eax, %ebx
        mov     %edx, %ecx
        pop     %ebx
        ret

The Simple ISEL produces (eww gross):

f3:
        sub %ESP, 4
        mov DWORD PTR [%ESP], %ESI
        mov %EDX, DWORD PTR [%ESP + 8]
        mov %ECX, DWORD PTR [%ESP + 12]
        mov %EAX, 0
        mov %ESI, 0
        or %EAX, %ECX
        or %EDX, %ESI
        mov %ESI, DWORD PTR [%ESP]
        add %ESP, 4
        ret

llvm-svn: 19780
2005-01-23 04:39:44 +00:00
Chris Lattner
4c997d281c Adjust to changes in SelectionDAG interface.
llvm-svn: 19779
2005-01-23 04:36:26 +00:00
Chris Lattner
519fcf19c2 Give SelectionDAG a TargetLowering instance instead of TM instance.
llvm-svn: 19778
2005-01-23 04:36:06 +00:00
Chris Lattner
680bc75f7f Build Alpha by default.
llvm-svn: 19777
2005-01-23 04:34:46 +00:00
Reid Spencer
e48557f583 Fix alloca support for Cygwin. On cygwin its __alloca not __builtin_alloca
llvm-svn: 19776
2005-01-23 04:32:47 +00:00