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22 Commits

Author SHA1 Message Date
Duncan Sands 29af26f147 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 1f0da1fefb 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 9ccea99165 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 7d67e547b5 More long double fixes. x86_64 should build now. 
llvm-svn: 42155
 2007-09-19 23:55:34 +00:00
Dale Johannesen 75169a82d6 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 ce38853cc6 Trampoline codegen support for X86-32. 
llvm-svn: 40566
 2007-07-27 20:02:49 +00:00
Rafael Espindola b567e3ffb0 Add the byval attribute 
llvm-svn: 37940
 2007-07-06 10:57:03 +00:00
Dan Gohman f9ae1c6001 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 944200be45 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 b72fcddd23 Fix comment. 
llvm-svn: 35531
 2007-03-31 09:36:12 +00:00
Bill Wendling afddb2c6f8 Match GCC's MMX calling convention. 
llvm-svn: 35523
 2007-03-31 01:03:53 +00:00
Bill Wendling 2fbcbc16b4 Add MMX calling conventions. 
llvm-svn: 35489
 2007-03-30 00:35:22 +00:00
Chris Lattner eb09e28ccc 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 0bc74fd6cc 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 be7995953a switch LowerCCCCallTo over to using an autogenerated callingconv 
llvm-svn: 34727
 2007-02-28 05:31:48 +00:00
Chris Lattner 0c0a7b288e rename stuff 
llvm-svn: 34726
 2007-02-28 05:30:29 +00:00
Chris Lattner 659ca56383 make subtarget references work. 
llvm-svn: 34721
 2007-02-28 04:51:41 +00:00
Chris Lattner fa9227ed54 Add calling convention info 
llvm-svn: 34661
 2007-02-27 06:59:52 +00:00
Chris Lattner db2049fb8e move target independent calling convention stuff to TargetCallingConv.td 
llvm-svn: 34659
 2007-02-27 05:57:32 +00:00
Chris Lattner 4c83b98604 fill in some holes 
llvm-svn: 34658
 2007-02-27 05:51:05 +00:00
Chris Lattner 77f0a1553c fix attribution 
llvm-svn: 34637
 2007-02-26 18:56:07 +00:00
Chris Lattner 5d00a0b8a9 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