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Restore definition of STRUCT_VALUE_REGNUM,

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From-SVN: r47721
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Nick Clifton 2001-12-06 15:18:54 +00:00 committed by Nick Clifton
parent 69da3e3a72
commit e04546dce3
2 changed files with 16 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2001-12-06 Nick Clifton <nickc@cambridge.redhat.com>
* config/arm/arm.h (STRUCT_VALUE): Suppress definition.
(STRUCT_VALUE_REGNUM): Restore definition.
2001-12-06 Andrew MacLeod <amacleod@redhat.com>
* flow.c (find_regno_partial): Return register, not the expression

11
gcc/config/arm/arm.h
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@ -905,8 +905,19 @@ extern const char * structure_size_string;
/* Return the regiser number of the N'th (integer) argument. */
#define ARG_REGISTER(N) (N - 1)
#if 0 /* FIXME: The ARM backend has special code to handle structure
returns, and will reserve its own hidden first argument. So
if this macro is enabled a *second* hidden argument will be
reserved, which will break binary compatability with old
toolchains and also thunk handling. One day this should be
fixed. */
/* RTX for structure returns. NULL means use a hidden first argument. */
#define STRUCT_VALUE 0
#else
/* Register in which address to store a structure value
is passed to a function. */
#define STRUCT_VALUE_REGNUM ARG_REGISTER (1)
#endif
/* Specify the registers used for certain standard purposes.
The values of these macros are register numbers. */