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24 Commits

Author SHA1 Message Date
Dale Johannesen
edcba1161f Reverse sense of unwind-tables option. This means 
stack tracebacks on Darwin x86-64 won't work by default;
nevertheless, everybody but me thinks this is a good idea.

llvm-svn: 49663
 2008-04-14 17:54:17 +00:00
Dale Johannesen
ec0fe04044 Implement new llc flag -disable-required-unwind-tables. 
Corresponds to -fno-unwind-tables (usually default in gcc).

llvm-svn: 49361
 2008-04-08 00:10:24 +00:00
Devang Patel
71f3156ea3 Add optimize-for-size knob. 
llvm-svn: 48793
 2008-03-25 21:02:35 +00:00
Chris Lattner
e0b1ee937a Don't attribute in file headers anymore. See llvmdev for the 
discussion of this change.  Boy are my fingers tired. ;-)

llvm-svn: 45411
 2007-12-29 19:59:42 +00:00
Arnold Schwaighofer
6bcd9e7ec2 Corrected many typing errors. And removed 'nest' parameter handling 
for fastcc from X86CallingConv.td.  This means that nested functions
are not supported for calling convention 'fastcc'.

llvm-svn: 42934
 2007-10-12 21:30:57 +00:00
Arnold Schwaighofer
d47210011e Added tail call optimization to the x86 back end. It can be 
enabled by passing -tailcallopt to llc.  The optimization is
performed if the following conditions are satisfied:
* caller/callee are fastcc
* elf/pic is disabled OR
  elf/pic enabled + callee is in module + callee has
  visibility protected or hidden

llvm-svn: 42870
 2007-10-11 19:40:01 +00:00
Evan Cheng
f3c130a8b6 Enabling new condition code modeling scheme. 
llvm-svn: 42459
 2007-09-29 00:00:36 +00:00
Evan Cheng
6bfaf13dd9 New temporary option -new-cc-modeling-scheme to test the new cc modeling scheme. 
llvm-svn: 42283
 2007-09-25 01:50:04 +00:00
Dan Gohman
61966b8551 Remove redundant declarations. 
llvm-svn: 37946
 2007-07-06 13:59:28 +00:00
Chris Lattner
a3d01187b7 Add a new option. 
llvm-svn: 36657
 2007-05-03 00:16:07 +00:00
Jim Laskey
705f60ece9 Flag to control exception handling. 
llvm-svn: 33628
 2007-01-29 20:48:32 +00:00
Anton Korobeynikov
cac2ebfdee Document flag 
llvm-svn: 33300
 2007-01-17 10:40:54 +00:00
Anton Korobeynikov
2509765bef * Fix one more bug in PIC codegen: extra load is needed for *all* 
non-statics.
* Introduce new option to output zero-initialized data to .bss section.
This can reduce size of binaries. Enable it by default for ELF &
Cygwin/Mingw targets. Probably, Darwin should be also added.

llvm-svn: 33299
 2007-01-17 10:33:08 +00:00
Evan Cheng
f1e9ec7225 Added option -soft-float to generate SW fp library calls instead of fp instructions. 
llvm-svn: 32393
 2006-12-09 02:41:30 +00:00
Evan Cheng
6909147763 -enable-unsafe-fp-math implies -enable-finite-only-fp-math 
llvm-svn: 28437
 2006-05-23 18:18:46 +00:00
Evan Cheng
86e56c1066 Added option -enable-finite-only-fp-math. When on, the codegen can assume that 
FP arithmetic arguments and results are never NaNs or +=Infs. This includes
ignoring parity flag (PF) when checking for FP equality.

llvm-svn: 28432
 2006-05-23 06:39:12 +00:00
Evan Cheng
305141c1ba - Added option -relocation-model to set relocation model. Valid values include static, pic, 
dynamic-no-pic, and default.
PPC and x86 default is dynamic-no-pic for Darwin, pic for others.
- Removed options -enable-pic and -ppc-static.

llvm-svn: 26315
 2006-02-22 20:19:42 +00:00
Evan Cheng
bba9078fed Move PICEnabled declaration here. 
llvm-svn: 26271
 2006-02-18 00:06:03 +00:00
Nate Begeman
a978ae8b7d Remove the X86 and PowerPC Simple instruction selectors; their time has 
passed.

llvm-svn: 22886
 2005-08-18 23:53:15 +00:00
Chris Lattner
05d8a36ba7 Expose an option allowing unsafe math optimizations. Patch contributed by 
Morten Ofstad!

llvm-svn: 21630
 2005-04-30 04:09:52 +00:00
Misha Brukman
58c97e67f3 Remove trailing whitespace 
llvm-svn: 21412
 2005-04-21 20:59:05 +00:00
Nate Begeman
ecb5b5c028 Make pattern isel default for ppc 
Add new ppc beta option related to using condition registers
Make pattern isel control flag (-enable-pattern-isel) global and tristate
  0 == off
  1 == on
  2 == target default

llvm-svn: 21309
 2005-04-15 22:12:16 +00:00
Chris Lattner
98611ce291 Add a new target-independent code generator flag. 
llvm-svn: 19567
 2005-01-15 06:00:32 +00:00
Chris Lattner
2ea95d837e Delete the allocate*TargetMachine functions. Move options to a header file 
that makes sense.

llvm-svn: 14754
 2004-07-11 04:15:52 +00:00