Ping. On 2014-03-16 12:43, Sebastian Huber wrote:
gcc/ChangeLog 2014-03-16 Sebastian Huber <sebastian.hu...@embedded-brains.de>* doc/invoke.texi (mapp-regs): Clarify. --- gcc/doc/invoke.texi | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 24bd76e..485867d 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -20817,7 +20817,10 @@ These @samp{-m} options are supported on the SPARC: @opindex mapp-regs Specify @option{-mapp-regs} to generate output using the global registers 2 through 4, which the SPARC SVR4 ABI reserves for applications. This -is the default. +is the default. Like the global register 1 each global register 2 through 4 is +then treated as an allocable register that is clobbered by function calls. +They may be allocated for temporaries or variables that do not live across a +call. To be fully SVR4 ABI-compliant at the cost of some performance loss, specify @option{-mno-app-regs}. You should compile libraries and system
-- Sebastian Huber, embedded brains GmbH Address : Dornierstr. 4, D-82178 Puchheim, Germany Phone : +49 89 189 47 41-16 Fax : +49 89 189 47 41-09 E-Mail : sebastian.hu...@embedded-brains.de PGP : Public key available on request. Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
