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28 Commits

Author SHA1 Message Date
Duncan Sands
93959fc16a Fix long double support on x86-32 linux. 
llvm-svn: 45701
 2008-01-07 13:44:22 +00:00
Chris Lattner
ad9a6ccb83 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Dale Johannesen
1e083ec1f6 x86-32 long doubles are 4-byte aligned on the stack 
for parameter passing (only for that, on Darwin).

llvm-svn: 45038
 2007-12-14 19:25:34 +00:00
Nate Begeman
4278967588 Support returning non-power-of-2 vectors to unblock some work 
llvm-svn: 44371
 2007-11-27 19:28:48 +00:00
Duncan Sands
e6821dd990 Eliminate the recently introduced CCAssignToStackABISizeAlign 
in favour of teaching CCAssignToStack that size 0 and/or align
0 means to use the ABI values.  This seems a neater solution.
It is safe since no legal value type has size 0.

llvm-svn: 44107
 2007-11-14 08:29:13 +00:00
Dale Johannesen
2e9b020e89 Add CCAssignToStackABISizeAlign for convenience in 
dealing with types whose size & alignment are
different on different subtargets.  Use it for x86 f80.

llvm-svn: 43988
 2007-11-10 22:07:15 +00:00
Duncan Sands
bf31a19c62 Clarify that fastcc has a problem with nested function 
trampolines, rather than with nested functions themselves.

llvm-svn: 42955
 2007-10-13 07:38:37 +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
Dale Johannesen
04682bdc81 More long double fixes. x86_64 should build now. 
llvm-svn: 42155
 2007-09-19 23:55:34 +00:00
Dale Johannesen
3ea9879011 Get X86 long double calling convention to work 
(on Darwin, anyway).  Fix some table omissions for
LD arithmetic.

llvm-svn: 40877
 2007-08-06 21:31:06 +00:00
Duncan Sands
35a77d857b Trampoline codegen support for X86-32. 
llvm-svn: 40566
 2007-07-27 20:02:49 +00:00
Rafael Espindola
7b3de98989 Add the byval attribute 
llvm-svn: 37940
 2007-07-06 10:57:03 +00:00
Dan Gohman
eb46e6e629 Vector results may be returned in XMM0 and XMM1, not just XMM0. With 
the recent lowering changes, this allows types like <4 x double> to
be returned, using two vector registers.

llvm-svn: 37844
 2007-07-02 16:21:53 +00:00
Chris Lattner
e13fac05d7 If a function is vararg, never pass inreg arguments in registers. Thanks to 
Anton for half of this patch.

llvm-svn: 37641
 2007-06-19 00:13:10 +00:00
Bill Wendling
8f16f4bf9c Fix comment. 
llvm-svn: 35531
 2007-03-31 09:36:12 +00:00
Bill Wendling
0cba5d3c15 Match GCC's MMX calling convention. 
llvm-svn: 35523
 2007-03-31 01:03:53 +00:00
Bill Wendling
503f3e41f6 Add MMX calling conventions. 
llvm-svn: 35489
 2007-03-30 00:35:22 +00:00
Chris Lattner
d8c7e8999e bugfix: fastcall does not require the first two params to be marked 'inreg', 
they always get registers.

llvm-svn: 34748
 2007-02-28 18:35:11 +00:00
Chris Lattner
9a1f1c41b0 add new CC_X86_32_FastCall calling conv, which describes fastcall on win32. 
Factor out a CC_X86_32_Common convention, which is the part shared between
ccc, stdcall and fastcall

llvm-svn: 34732
 2007-02-28 06:20:01 +00:00
Chris Lattner
76147834d6 switch LowerCCCCallTo over to using an autogenerated callingconv 
llvm-svn: 34727
 2007-02-28 05:31:48 +00:00
Chris Lattner
d663281088 rename stuff 
llvm-svn: 34726
 2007-02-28 05:30:29 +00:00
Chris Lattner
3eb95551d7 make subtarget references work. 
llvm-svn: 34721
 2007-02-28 04:51:41 +00:00
Chris Lattner
90c768b913 Add calling convention info 
llvm-svn: 34661
 2007-02-27 06:59:52 +00:00
Chris Lattner
9f0e5d8b03 move target independent calling convention stuff to TargetCallingConv.td 
llvm-svn: 34659
 2007-02-27 05:57:32 +00:00
Chris Lattner
2b737abea1 fill in some holes 
llvm-svn: 34658
 2007-02-27 05:51:05 +00:00
Chris Lattner
656996aab8 fix attribution 
llvm-svn: 34637
 2007-02-26 18:56:07 +00:00
Chris Lattner
948965f809 Add a description of the X86-64 calling convention and the return 
conventions.  This doesn't do anything yet, but may in the future.

llvm-svn: 34636
 2007-02-26 18:17:14 +00:00