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changed "inline assembler statement" to "inline assembler expression" as suggested in #2191

This commit is contained in:
mrdudz 2023-10-14 16:21:08 +02:00
parent e138403727
commit bb92144717
1 changed files with 9 additions and 9 deletions
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doc/cc65.sgml
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@ -837,7 +837,7 @@ This cc65 version has some extensions to the ISO C standard.
<itemize>
<item> The compiler allows to insert assembler statements into the output
<item> The compiler allows to insert assembler expressions into the output
file. The syntax is
<tscreen><verb>
@ -851,7 +851,7 @@ This cc65 version has some extensions to the ISO C standard.
The first form is in the user namespace; and, is disabled if the <tt/-A/
switch is given.
There is a whole section covering inline assembler statements,
There is a whole section covering inline assembler expressions,
<ref id="inline-asm" name="see there">.
<p>
@ -1714,7 +1714,7 @@ bloated code and a slowdown.
<sect>Inline assembler<label id="inline-asm"><p>
The compiler allows to insert assembler statements into the output file. The
The compiler allows to insert assembler expressions into the output file. The
syntax is
<tscreen><verb>
@ -1729,7 +1729,7 @@ or
The first form is in the user namespace; and, is disabled by <tt><ref
id="option--standard" name="--standard"></tt> if the argument is not <tt/cc65/.
The <tt/asm/ statement can be used only inside a function. Please note that
The <tt/asm/ expression can be used only inside a function. Please note that
the result of an inline assembler expression is always of type <tt/void/.
The contents of the string literal are preparsed by the compiler; and, inserted
@ -1741,15 +1741,15 @@ even if the ca65 assembler (which is used to translate the generated assembler
code) would accept them. The built-in inline assembler is not a replacement for
the full-blown macro assembler which comes with the compiler.
Note: Inline assembler statements are subject to all optimizations done by the
compiler. There currently is no way to protect an inline assembler statement
Note: Inline assembler expressions are subject to all optimizations done by the
compiler. There currently is no way to protect an inline assembler expression
-- alone -- from being moved or removed completely by the optimizer. If in
doubt, check the generated assembler output; or, disable optimizations (for
that function).
As a shortcut, you can put the <tt/volatile/ qualifier in your <tt/asm/
statements. It will disable optimization for the functions in which those
<tt/asm volatile/ statements sit. The effect is the same as though you put
expressions. It will disable optimization for the functions in which those
<tt/asm volatile/ expressions sit. The effect is the same as though you put
<tt/#pragma optimize(push, off)/ above those functions, and <tt/#pragma
optimize(pop)/ below those functions.
@ -1844,7 +1844,7 @@ Arrays also can be accessed:
<p>
Note: Do not embed the assembler labels that are used as names of global
variables or functions into your <tt/asm/ statements. Code such as this:
variables or functions into your <tt/asm/ expressions. Code such as this:
<tscreen><verb>
int foo;