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rtl.h (rtx_def): Improve documentation. 

* rtl.h (rtx_def): Improve documentation.
	(MEM_IN_STRUCT_P): Likewise.

From-SVN: r20423
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Mark Mitchell 1998-06-10 23:39:46 +00:00 committed by Mark Mitchell
parent b3fbc9ad49
commit 8358a974b5
2 changed files with 7 additions and 2 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
Wed Jun 10 23:39:32 1998 Mark Mitchell <mark@markmitchell.com>
* rtl.h (rtx_def): Improve documentation.
(MEM_IN_STRUCT_P): Likewise.
Wed Jun 10 23:23:17 1998 Graham <grahams@rcp.co.uk>
* c-decl.c (start_decl): Correct test for -Wmain.

4
gcc/rtl.h
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@ -136,7 +136,7 @@ typedef struct rtx_def
In a SYMBOL_REF, this flag is used for machine-specific purposes.
In a LABEL_REF or in a REG_LABEL note, this is LABEL_REF_NONLOCAL_P. */
unsigned int volatil : 1;
/* 1 in a MEM referring to a field of a structure (not a union!).
/* 1 in a MEM referring to a field of an aggregate.
0 if the MEM was a variable or the result of a * operator in C;
1 if it was the result of a . or -> operator (on a struct) in C.
1 in a REG if the register is used only in exit code a loop.
@ -558,7 +558,7 @@ extern char *note_insn_name[];
Also in an ASM_OPERANDS rtx. */
#define MEM_VOLATILE_P(RTX) ((RTX)->volatil)
/* For a MEM rtx, 1 if it refers to a structure or union component. */
/* For a MEM rtx, 1 if it refers to a field of an aggregate. */
#define MEM_IN_STRUCT_P(RTX) ((RTX)->in_struct)
/* For a LABEL_REF, 1 means that this reference is to a label outside the