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ia64.c (ia64_function_arg_pass_by_reference): New. 

* config/ia64/ia64.c (ia64_function_arg_pass_by_reference): New.
        (ia64_va_arg): Expect variable sized types by reference.
        * config/ia64/ia64-protos.h: Update.
        * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Use
        ia64_function_arg_pass_by_reference.

From-SVN: r52495
This commit is contained in:
Richard Henderson 2002-04-18 13:31:55 -07:00
parent de10abbeaf
commit f7d53c4587
4 changed files with 57 additions and 25 deletions
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56
gcc/ChangeLog
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@ -1,3 +1,11 @@
2002-04-18 Richard Henderson <rth@redhat.com>
* config/ia64/ia64.c (ia64_function_arg_pass_by_reference): New.
(ia64_va_arg): Expect variable sized types by reference.
* config/ia64/ia64-protos.h: Update.
* config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Use
ia64_function_arg_pass_by_reference.
2002-04-18 Hans-Peter Nilsson <hp@bitrange.com>
* flow.c (update_life_info): Ignore return value of cleanup_cfg.
@ -54,11 +62,11 @@ Thu Apr 18 15:49:12 CEST 2002 Jan Hubicka <jh@suse.cz>
2002-04-17 Dale Johannesen <dalej@apple.com>
* config/rs6000/rs6000.c (rs6000_emit_cmove): Fail if modes of
comparison operands do not match each other or if modes of
conditions do not match result.
(rs6000_output_function_prologue): Compute instruction addresses.
(rs6000_output_function_epilogue): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_cmove): Fail if modes of
comparison operands do not match each other or if modes of
conditions do not match result.
(rs6000_output_function_prologue): Compute instruction addresses.
(rs6000_output_function_epilogue): Likewise.
2002-04-17 Ulrich Weigand <uweigand@de.ibm.com>
@ -105,21 +113,21 @@ Thu Apr 18 15:49:12 CEST 2002 Jan Hubicka <jh@suse.cz>
2002-04-17 Aldy Hernandez <aldyh@redhat.com>
* config/rs6000/altivec.h (vec_ld): Add array variants.
(vec_lde): Same.
(vec_ldl): Same.
* config/rs6000/altivec.h (vec_ld): Add array variants.
(vec_lde): Same.
(vec_ldl): Same.
2002-04-17 Alan Matsuoka <alanm@redhat.com>
Aldy Hernandez <aldyh@redhat.com>
Aldy Hernandez <aldyh@redhat.com>
* config/rs6000/altivec.h: Define __ALTIVEC__.
(bool): New.
(__pixel): New.
(pixel): New.
(vec_cfux): New.
(vec_vmaddfp): New.
(vec_vsldoi): New.
Add parentheses to all macro arguments.
* config/rs6000/altivec.h: Define __ALTIVEC__.
(bool): New.
(__pixel): New.
(pixel): New.
(vec_cfux): New.
(vec_vmaddfp): New.
(vec_vsldoi): New.
Add parentheses to all macro arguments.
2002-04-16 Richard Henderson <rth@redhat.com>
@ -175,7 +183,7 @@ Thu Apr 18 15:49:12 CEST 2002 Jan Hubicka <jh@suse.cz>
2002-04-16 Aldy Hernandez <aldyh@redhat.com>
* config/rs6000/altivec.h (vec_addc): Type check.
* config/rs6000/altivec.h (vec_addc): Type check.
2002-04-16 Jakub Jelinek <jakub@redhat.com>
@ -880,19 +888,19 @@ Sat Apr 6 18:26:32 CEST 2002 Jan Hubicka <jh@suse.cz>
* libgcc2.c (__bb_exit_func): Revert 03-31 change.
2002-04-02 Eric Botcazou <ebotcazou@multimania.com>
Richard Henderson <rth@redhat.com>
Richard Henderson <rth@redhat.com>
PR c/5484
* function.c (assign_temp): Accept either type or decl argument.
Detect variables whose size is too large to fit into an integer.
* stmt.c (expand_decl): Pass the decl, not the type.
PR c/5484
* function.c (assign_temp): Accept either type or decl argument.
Detect variables whose size is too large to fit into an integer.
* stmt.c (expand_decl): Pass the decl, not the type.
2002-04-02 David O'Brien <obrien@FreeBSD.org>
* protoize.c: Match include directory usage with cppdefault.c.
2002-04-03 Jeffrey A Law (law@redhat.com)
Hans-Peter Nilsson <hp@bitrange.com>
Hans-Peter Nilsson <hp@bitrange.com>
* combine.c (simplify_comparison): Avoid narrowing a comparison
with a paradoxical subreg when doing so would drop signficant bits.

3
gcc/config/ia64/ia64-protos.h
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@ -113,6 +113,9 @@ extern int ia64_function_arg_partial_nregs PARAMS((CUMULATIVE_ARGS *,
extern void ia64_function_arg_advance PARAMS((CUMULATIVE_ARGS *,
enum machine_mode,
tree, int));
extern int ia64_function_arg_pass_by_reference PARAMS((CUMULATIVE_ARGS *,
enum machine_mode,
tree, int));
extern int ia64_return_in_memory PARAMS((tree));
extern void ia64_asm_output_external PARAMS((FILE *, tree, const char *));

20
gcc/config/ia64/ia64.c
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@ -3185,6 +3185,19 @@ ia64_function_arg_advance (cum, mode, type, named)
cum->int_regs = cum->words;
}
}
/* Variable sized types are passed by reference. */
/* ??? At present this is a GCC extension to the IA-64 ABI. */
int
ia64_function_arg_pass_by_reference (cum, mode, type, named)
CUMULATIVE_ARGS *cum ATTRIBUTE_UNUSED;
enum machine_mode mode ATTRIBUTE_UNUSED;
tree type;
int named ATTRIBUTE_UNUSED;
{
return TREE_CODE (TYPE_SIZE (type)) != INTEGER_CST;
}
/* Implement va_start. */
@ -3216,6 +3229,13 @@ ia64_va_arg (valist, type)
{
tree t;
/* Variable sized types are passed by reference. */
if (TREE_CODE (TYPE_SIZE (type)) != INTEGER_CST)
{
rtx addr = std_expand_builtin_va_arg (valist, build_pointer_type (type));
return gen_rtx_MEM (ptr_mode, force_reg (Pmode, addr));
}
/* Arguments with alignment larger than 8 bytes start at the next even
boundary. */
if (TYPE_ALIGN (type) > 8 * BITS_PER_UNIT)

3
gcc/config/ia64/ia64.h
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@ -1274,7 +1274,8 @@ enum reg_class
pointer is passed in whatever way is appropriate for passing a pointer to
that type. */
#define FUNCTION_ARG_PASS_BY_REFERENCE(CUM, MODE, TYPE, NAMED) 0
#define FUNCTION_ARG_PASS_BY_REFERENCE(CUM, MODE, TYPE, NAMED) \
ia64_function_arg_pass_by_reference (&CUM, MODE, TYPE, NAMED)
/* A C type for declaring a variable that is used as the first argument of
`FUNCTION_ARG' and other related values. For some target machines, the type