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125 Commits

Author SHA1 Message Date
Dan Gohman
ad5824104b FastISel support for i1 PHI nodes. 
llvm-svn: 56069
 2008-09-10 21:01:31 +00:00
Bill Wendling
c7c5d73866 Remove unnecessary bit-wise AND from the limited precision work. 
llvm-svn: 56049
 2008-09-10 06:26:10 +00:00
Daniel Dunbar
df44fb835c Fix 80 col violation. 
llvm-svn: 56048
 2008-09-10 04:16:29 +00:00
Bill Wendling
4dc9d148b5 Check that both operands are f32 before attempting to lower. 
llvm-svn: 56036
 2008-09-10 00:24:59 +00:00
Bill Wendling
aa39e64468 Implement "visitPow". This is mainly used to see if we have a pow() call of this 
form:

          powf(10.0f, x);

If this is the case, and also we want limited precision floating-point
calculations, then lower to do the limited-precision stuff.

llvm-svn: 56035
 2008-09-10 00:20:20 +00:00
Bill Wendling
5d6d774240 Adding 6-, 12-, and 18-bit limited-precision floating-point support for exp2 
function.

llvm-svn: 56025
 2008-09-09 22:39:21 +00:00
Bill Wendling
103d08d4ce Add support for 6-, 12-, and 18-bit limited precision calculations of exp for 
floating-point numbers.

llvm-svn: 56023
 2008-09-09 22:13:54 +00:00
Bill Wendling
929486349f - Add support for 6-, 12-, and 18-bit limited precision floating-point "log" 
values.
- Refactored some of the code.

llvm-svn: 56008
 2008-09-09 20:39:27 +00:00
Bill Wendling
727b25981a Add limited precision floating-point conversions of log10 for 6- and 18-bit 
precisions.

llvm-svn: 56000
 2008-09-09 18:42:23 +00:00
Bill Wendling
701da64da7 Add support for floating-point calculations of log2 with limited precisions of 6 
and 18.

llvm-svn: 55968
 2008-09-09 00:28:24 +00:00
Anton Korobeynikov
d82cd01929 Reapply 55904: Unbreak and fix indentation 
llvm-svn: 55958
 2008-09-08 21:13:56 +00:00
Dale Johannesen
78617b727e Redo the 3 existing low-precision expansions to 
use float constants.  An oversight by the numerics
people who supplied this.

llvm-svn: 55930
 2008-09-08 18:00:26 +00:00
Bill Wendling
4cc4caab72 Reverting r55898 to r55909. One of these patches was causing an ICE during the full bootstrap on Darwin: 
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/xgcc
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/bin/
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/lib/
-isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/include
-isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/sys-include
-O2  -O2 -g -O2  -DIN_GCC    -W -Wall -Wwrite-strings
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition
-isystem ./include  -fPIC -pipe -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2
-D__GCC_FLOAT_NOT_NEEDED  -I. -I. -I../../llvm-gcc.src/gcc
-I../../llvm-gcc.src/gcc/. -I../../llvm-gcc.src/gcc/../include
-I./../intl -I../../llvm-gcc.src/gcc/../libcpp/include
-I../../llvm-gcc.src/gcc/../libdecnumber -I../libdecnumber
-I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/include
-I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/include
-DSHARED -m64 -DL_negdi2 -c ../../llvm-gcc.src/gcc/libgcc2.c -o
libgcc/x86_64/_negdi2_s.o
Assertion failed: (TargetRegisterInfo::isVirtualRegister(regA) &&
TargetRegisterInfo::isVirtualRegister(regB) && "cannot update physical
register live information"), function runOnMachineFunction, file
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/lib/CodeGen/TwoAddressInstructionPass.cpp,
line 311.
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/xgcc
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/bin/
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/lib/
-isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/include
-isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/sys-include
-O2  -O2 -g -O2  -DIN_GCC    -W -Wall -Wwrite-strings
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition
-isystem ./include  -fPIC -pipe -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2
-D__GCC_FLOAT_NOT_NEEDED  -I. -I. -I../../llvm-gcc.src/gcc
-I../../llvm-gcc.src/gcc/. -I../../llvm-gcc.src/gcc/../include
-I./../intl -I../../llvm-gcc.src/gcc/../libcpp/include
-I../../llvm-gcc.src/gcc/../libdecnumber -I../libdecnumber
-I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/include
-I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/include
-DSHARED -m64 -DL_lshrdi3 -c ../../llvm-gcc.src/gcc/libgcc2.c -o
libgcc/x86_64/_lshrdi3_s.o
../../llvm-gcc.src/gcc/unwind-dw2.c:1527: internal compiler error: Abort trap
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://developer.apple.com/bugreporter> for instructions.
{standard input}:unknown:Undefined local symbol LBB21_11
{standard input}:unknown:Undefined local symbol LBB21_12
{standard input}:unknown:Undefined local symbol LBB21_13
{standard input}:unknown:Undefined local symbol LBB21_8

llvm-svn: 55928
 2008-09-08 17:59:12 +00:00
Daniel Dunbar
ddd9b2aeb0 Add VISIBILITY_HIDDEN on SDISelAsmOperandInfo 
llvm-svn: 55922
 2008-09-08 16:56:08 +00:00
Anton Korobeynikov
5ea45bb9eb Unbreak and fix indentation 
llvm-svn: 55904
 2008-09-08 14:23:34 +00:00
Dale Johannesen
3be45974bb Next limited float precision expansion (log2 12 bits) 
llvm-svn: 55866
 2008-09-05 23:49:37 +00:00
Dale Johannesen
6b48790d88 Add the next limited-precision expansion. 
llvm-svn: 55856
 2008-09-05 21:27:19 +00:00
Dale Johannesen
116163ab21 Add hooks for other intrinsics to get low-precision expansions. 
llvm-svn: 55845
 2008-09-05 18:38:42 +00:00
Dale Johannesen
ce63ed5b47 Add -flimit-float-precision to enable some faster, 
but less accurate (non-IEEE) code sequences for
certain math library functions.  Add the first of
several such expansions.  Don't worry, if you don't
turn it on it won't affect you.

llvm-svn: 55823
 2008-09-05 01:48:15 +00:00
Dan Gohman
1ffb4ad3a8 Add an include of SmallSet.h. 
llvm-svn: 55793
 2008-09-04 20:49:27 +00:00
Dan Gohman
7ee14837e6 Clean up uses of TargetLowering::getTargetMachine. 
llvm-svn: 55769
 2008-09-04 15:39:15 +00:00
Dale Johannesen
9e4d101fab Add intrinsics for log, log2, log10, exp, exp2. 
No functional change (and no FE change to generate them).

llvm-svn: 55753
 2008-09-04 00:47:13 +00:00
Dan Gohman
f86538dd3c Put RegsForValue in the llvm namespace to avoid warnings about 
classes in the llvm namespace having members with types from
anonymous namespaces.

llvm-svn: 55747
 2008-09-03 23:18:39 +00:00
Dan Gohman
18cc2a26df Create HandlePHINodesInSuccessorBlocksFast, a version of 
HandlePHINodesInSuccessorBlocks that works FastISel-style. This
allows PHI nodes to be updated correctly while using FastISel.

This also involves some code reorganization; ValueMap and
MBBMap are now members of the FastISel class, so they needn't
be passed around explicitly anymore. Also, SelectInstructions
is changed to SelectInstruction, and only does one instruction
at a time.

llvm-svn: 55746
 2008-09-03 23:12:08 +00:00
Dan Gohman
3ee4edfe9c Split the SelectionDAG-building code, including the FunctionLoweringInfo 
and SelectionDAGLowering classes, out of SelectionDAGISel.cpp and put
it in a separate file, SelectionDAGBuild.cpp.

llvm-svn: 55701
 2008-09-03 16:12:24 +00:00