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tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32... 

* doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
	REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
	documentation.

From-SVN: r109660
This commit is contained in:
Ben Elliston 2006-01-13 11:39:28 +11:00
parent 995931d6ee
commit dadb213fd1
2 changed files with 20 additions and 10 deletions
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8
gcc/ChangeLog
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@ -1,4 +1,10 @@
2006-01-11 Daniel Berlin <dberlin@dberlin.org>
2006-01-13 Ben Elliston <bje@au.ibm.com>
* doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
documentation.
2006-01-12 Daniel Berlin <dberlin@dberlin.org>
* tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
to try to avoid clobbering pieces of structures when we know

22
gcc/doc/tm.texi
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@ -6541,15 +6541,19 @@ of @code{ASM_OUTPUT_DOUBLE} and the like:
@defmac REAL_VALUE_TO_TARGET_SINGLE (@var{x}, @var{l})
@defmacx REAL_VALUE_TO_TARGET_DOUBLE (@var{x}, @var{l})
@defmacx REAL_VALUE_TO_TARGET_LONG_DOUBLE (@var{x}, @var{l})
These translate @var{x}, of type @code{REAL_VALUE_TYPE}, to the target's
floating point representation, and store its bit pattern in the variable
@var{l}. For @code{REAL_VALUE_TO_TARGET_SINGLE}, this variable should
be a simple @code{long int}. For the others, it should be an array of
@code{long int}. The number of elements in this array is determined by
the size of the desired target floating point data type: 32 bits of it
go in each @code{long int} array element. Each array element holds 32
bits of the result, even if @code{long int} is wider than 32 bits on the
host machine.
@defmacx REAL_VALUE_TO_TARGET_DECIMAL32 (@var{x}, @var{l})
@defmacx REAL_VALUE_TO_TARGET_DECIMAL64 (@var{x}, @var{l})
@defmacx REAL_VALUE_TO_TARGET_DECIMAL128 (@var{x}, @var{l})
These translate @var{x}, of type @code{REAL_VALUE_TYPE}, to the
target's floating point representation, and store its bit pattern in
the variable @var{l}. For @code{REAL_VALUE_TO_TARGET_SINGLE} and
@code{REAL_VALUE_TO_TARGET_DECIMAL32}, this variable should be a
simple @code{long int}. For the others, it should be an array of
@code{long int}. The number of elements in this array is determined
by the size of the desired target floating point data type: 32 bits of
it go in each @code{long int} array element. Each array element holds
32 bits of the result, even if @code{long int} is wider than 32 bits
on the host machine.
The array element values are designed so that you can print them out
using @code{fprintf} in the order they should appear in the target