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17178 Commits

Author SHA1 Message Date
Andrew Lenharth 5374789198 perhaps this will let me have calls again 
llvm-svn: 19851
 2005-01-27 01:22:48 +00:00
Andrew Lenharth 9e27e54d70 minor bug fix 
llvm-svn: 19850
 2005-01-27 00:52:26 +00:00
Andrew Lenharth 9748b623a4 minor bug fix 
llvm-svn: 19849
 2005-01-27 00:51:05 +00:00
Andrew Lenharth 267908ad47 added instructions for fp to int to fp moves 
llvm-svn: 19848
 2005-01-26 23:56:48 +00:00
Andrew Lenharth 5ae5f81720 initial fp support 
llvm-svn: 19847
 2005-01-26 21:54:09 +00:00
Chris Lattner 651ffb1df8 xfail this. 
llvm-svn: 19846
 2005-01-26 07:09:44 +00:00
Chris Lattner a710180bba XFAIL this for now. 
llvm-svn: 19845
 2005-01-26 07:08:42 +00:00
Andrew Lenharth 589304de7f hum, writing on one machine, testing on another... 
llvm-svn: 19844
 2005-01-26 02:53:56 +00:00
Andrew Lenharth 02c5459948 add some operations, fix others. should compile several more tests now 
llvm-svn: 19843
 2005-01-26 01:24:38 +00:00
Chris Lattner 1b20615173 We can fold promoted and non-promoted loads into divs also! 
llvm-svn: 19835
 2005-01-25 20:35:10 +00:00
Chris Lattner 30607ec66e 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 ba2bcd867f problems with bools, and their work arounds 
llvm-svn: 19833
 2005-01-25 19:58:40 +00:00
Alkis Evlogimenos fbd921987f 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 97f0f7646d Document the --load option. 
llvm-svn: 19822
 2005-01-25 05:04:49 +00:00
Andrew Lenharth 122489bcab more load choices, better add with imm 
llvm-svn: 19821
 2005-01-25 00:35:34 +00:00
Chris Lattner 2e2edef9c6 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 d64fafd937 Add some methods. 
llvm-svn: 19817
 2005-01-24 19:55:34 +00:00
Andrew Lenharth 2f0f845534 Clean ups, and taught the instruction selector about immediate forms 
llvm-svn: 19816
 2005-01-24 19:44:07 +00:00
Andrew Lenharth 6d1a96bccc Alpha JIT prune 
llvm-svn: 19815
 2005-01-24 18:48:22 +00:00
Andrew Lenharth 3c12772190 include prune and JIT prune 
llvm-svn: 19814
 2005-01-24 18:45:41 +00:00
Andrew Lenharth 4680f89526 Pruned includes 
llvm-svn: 19813
 2005-01-24 18:37:48 +00:00
Andrew Lenharth f36418f618 let configure recognize Alphas 
llvm-svn: 19811
 2005-01-24 17:33:52 +00:00
Andrew Lenharth 3c3de91b79 let configure recognize Alphas 
llvm-svn: 19810
 2005-01-24 17:25:41 +00:00
Misha Brukman 454c06f5a4 Mark CVS versions different from releases 
llvm-svn: 19809
 2005-01-24 16:29:24 +00:00
Misha Brukman 664d251443 `primitive' has no `a' 
llvm-svn: 19808
 2005-01-24 16:28:03 +00:00
Chris Lattner 5b9c49b6f2 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 b6627702b4 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 39837024ae Fix a spurious warning. 
llvm-svn: 19799
 2005-01-24 01:40:18 +00:00
Chris Lattner 0e1de101a1 Silence a warning. 
llvm-svn: 19798
 2005-01-23 23:20:06 +00:00
Chris Lattner 0dfd7d3a0d Silence optimized warnings. 
llvm-svn: 19797
 2005-01-23 23:19:44 +00:00
Chris Lattner debae1e3c3 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 fb5614506e 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 90b491f46a Add an accessor. 
llvm-svn: 19794
 2005-01-23 22:57:27 +00:00
Chris Lattner 3d527f7b61 Update physregsused info. 
llvm-svn: 19793
 2005-01-23 22:55:45 +00:00
Chris Lattner 24f0f0e28f Update this pass to set PhysRegsUsed info in MachineFunction. 
llvm-svn: 19792
 2005-01-23 22:51:56 +00:00
Chris Lattner ae09d93b35 Update these register allocators to set the PhysRegUsed info in MachineFunction. 
llvm-svn: 19791
 2005-01-23 22:45:13 +00:00
Chris Lattner 304053c6ec Add support for the PhysRegsUsed array. 
llvm-svn: 19789
 2005-01-23 22:13:58 +00:00
Chris Lattner 1def519f3d 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 ef2de322c6 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 9e2c7facb2 Get rid of a several dozen more and instructions in specint. 
llvm-svn: 19786
 2005-01-23 20:26:55 +00:00
Chris Lattner 6c43f5e5fe Fix crash comparing empty file against nonempty file. 
llvm-svn: 19782
 2005-01-23 06:02:40 +00:00
Chris Lattner 4add7e356f 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 90b7c13f3a 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 ffcb0ae329 Adjust to changes in SelectionDAG interface. 
llvm-svn: 19779
 2005-01-23 04:36:26 +00:00
Chris Lattner 2877e9e826 Give SelectionDAG a TargetLowering instance instead of TM instance. 
llvm-svn: 19778
 2005-01-23 04:36:06 +00:00
Chris Lattner 28939a222e Build Alpha by default. 
llvm-svn: 19777
 2005-01-23 04:34:46 +00:00
Reid Spencer d5d45b8d1a Fix alloca support for Cygwin. On cygwin its __alloca not __builtin_alloca 
llvm-svn: 19776
 2005-01-23 04:32:47 +00:00
Reid Spencer 30226da5b3 Support Cygwin assembly generation. The cygwin version of Gnu ASsembler 
doesn't support certain directives and symbols on cygwin are prefixed with
an underscore. This patch makes the necessary adjustments to the output.

llvm-svn: 19775
 2005-01-23 03:52:14 +00:00
Chris Lattner ece10a420e Add support for fp tolerances 
llvm-svn: 19774
 2005-01-23 03:45:26 +00:00
Chris Lattner 580f5bfae3 This method takes sys::Path objects now. 
llvm-svn: 19773
 2005-01-23 03:32:16 +00:00