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7 Commits

Author SHA1 Message Date
Jakob Stoklund Olesen e7084a1c5c The SPARCv9 ABI returns a float in %f0. 
This is different from the argument passing convention which puts the
first float argument in %f1.

With this patch, all returned floats are treated as if the 'inreg' flag
were set. This means multiple float return values get packed in %f0,
%f1, %f2, ...

Note that when returning a struct in registers, clang will set the
'inreg' flag on the return value, so that behavior is unchanged. This
also happens when returning a float _Complex.

llvm-svn: 199028
 2014-01-12 04:13:17 +00:00
Venkatraman Govindaraju ad40dfcb4b [Sparc] Emit retl/ret instead of jmp instruction. It improves the readability of the assembly generated. 
llvm-svn: 198910
 2014-01-10 02:55:27 +00:00
Venkatraman Govindaraju 7e7eb8ce69 [SPARC] Make functions with GLOBAL_OFFSET_TABLE access as non-leaf functions. 
llvm-svn: 191160
 2013-09-22 01:40:24 +00:00
Venkatraman Govindaraju 3e8c7d98be Sparc: Perform leaf procedure optimization by default 
llvm-svn: 183083
 2013-06-02 02:24:27 +00:00
Jakob Stoklund Olesen c3c28f8599 Add support for the abs64 SPARC v9 code model. 
For when 16 TB just isn't enough.

llvm-svn: 179474
 2013-04-14 05:10:36 +00:00
Jakob Stoklund Olesen c8fc76b078 Add support for the SPARC v9 abs44 code model. 
This is the default model for non-PIC 64-bit code. It supports
text+data+bss linked anywhere in the low 16 TB of the address space.

llvm-svn: 179473
 2013-04-14 04:57:51 +00:00
Jakob Stoklund Olesen e0fc832b77 Also put target flags on SPARC constant pool references. 
Constant pool entries are accessed exactly the same way as global
variables.

llvm-svn: 179471
 2013-04-14 04:35:16 +00:00