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Fix PPC32 SVR4 ABI bug with 128-bit long double. 

* rs6000.h (RETURN_IN_MEMORY): If ABI_V4, then TFmode is returned in
	memory.

From-SVN: r60006
This commit is contained in:
Jim Wilson 2002-12-10 19:24:38 +00:00 committed by Jim Wilson
parent 68e25f8806
commit 0e9f8e8295
2 changed files with 12 additions and 3 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2002-12-10 Jim Wilson <wilson@redhat.com>
* rs6000.h (RETURN_IN_MEMORY): If ABI_V4, then TFmode is returned in
memory.
2002-12-10 Andrew Haley <aph@redhat.com>
* cse.c (cse_insn): Don't cse past a basic block boundary.

10
gcc/config/rs6000/rs6000.h
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@ -1550,13 +1550,17 @@ typedef struct rs6000_stack {
default, and -m switches get the final word. See
rs6000_override_options for more details.
The PPC32 SVR4 ABI uses IEEE double extended for long double, if 128-bit
long double support is enabled. These values are returned in memory.
int_size_in_bytes returns -1 for variable size objects, which go in
memory always. The cast to unsigned makes -1 > 8. */
#define RETURN_IN_MEMORY(TYPE) \
(AGGREGATE_TYPE_P (TYPE) && \
(TARGET_AIX_STRUCT_RET || \
(unsigned HOST_WIDE_INT) int_size_in_bytes (TYPE) > 8))
((AGGREGATE_TYPE_P (TYPE) \
&& (TARGET_AIX_STRUCT_RET \
|| (unsigned HOST_WIDE_INT) int_size_in_bytes (TYPE) > 8)) \
|| (DEFAULT_ABI == ABI_V4 && TYPE_MODE (TYPE) == TFmode))
/* DRAFT_V4_STRUCT_RET defaults off. */
#define DRAFT_V4_STRUCT_RET 0