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* doc/invoke.texi (mapp-regs): Clarify. 

From-SVN: r208975
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Sebastian Huber 2014-04-01 08:26:10 +00:00 committed by Eric Botcazou
parent ca3a873066
commit 86882c95f4
2 changed files with 7 additions and 2 deletions
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gcc/ChangeLog
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@ -1,3 +1,7 @@
2014-04-01 Sebastian Huber <sebastian.huber@embedded-brains.de>
* doc/invoke.texi (mapp-regs): Clarify.
2014-03-23 Eric Botcazou <ebotcazou@adacore.com>
PR rtl-optimization/60601

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gcc/doc/invoke.texi
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@ -18309,8 +18309,9 @@ These @samp{-m} options are supported on the SPARC:
@opindex mno-app-regs
@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.
2 through 4, which the SPARC SVR4 ABI reserves for applications. Like the
global register 1, each global register 2 through 4 is then treated as an
allocable register that is clobbered by function calls. This is the default.
To be fully SVR4 ABI compliant at the cost of some performance loss,
specify @option{-mno-app-regs}. You should compile libraries and system