Undo most of 9/22 changes

From-SVN: r2212
This commit is contained in:
Michael Meissner 1992-09-23 15:25:23 +00:00
parent 65a6dd9a32
commit 305aa9e2b1

View File

@ -1632,8 +1632,10 @@ extern struct mips_frame_info current_frame_info;
On the MIPS, we must skip the first argument position if we are
returning a structure or a union, to account for it's address being
passed in $4. */
passed in $4. However, at the current time, this produces a compiler
that can't bootstrap, so comment it out for now. */
#if 0
#define FIRST_PARM_OFFSET(FNDECL) \
(FNDECL != 0 \
&& TREE_TYPE (FNDECL) != 0 \
@ -1642,6 +1644,9 @@ extern struct mips_frame_info current_frame_info;
|| TREE_CODE (TREE_TYPE (TREE_TYPE (FNDECL))) == UNION_TYPE) \
? UNITS_PER_WORD \
: 0)
#else
#define FIRST_PARM_OFFSET(FNDECL) 0
#endif
/* When a parameter is passed in a register, stack space is still
allocated for it. For the MIPS, stack space must be allocated, cf
@ -1651,7 +1656,7 @@ extern struct mips_frame_info current_frame_info;
in register. In case an argument list is of form GF used registers
are a0 (a2,a3), but we should push over a1... */
#define REG_PARM_STACK_SPACE(FNDECL) (4*UNITS_PER_WORD) - FIRST_PARM_OFFSET(FNDECL)
#define REG_PARM_STACK_SPACE(FNDECL) ((4*UNITS_PER_WORD) - FIRST_PARM_OFFSET (FNDECL))
/* Define this if it is the responsibility of the caller to
allocate the area reserved for arguments passed in registers.