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Diffstat (limited to 'gcc/config/ia64/ia64.c')
-rw-r--r--gcc/config/ia64/ia64.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/gcc/config/ia64/ia64.c b/gcc/config/ia64/ia64.c
index b97dcd2..5271081 100644
--- a/gcc/config/ia64/ia64.c
+++ b/gcc/config/ia64/ia64.c
@@ -3623,6 +3623,7 @@ ia64_function_arg (CUMULATIVE_ARGS *cum, enum machine_mode mode, tree type,
for (; offset < byte_size && int_regs < MAX_ARGUMENT_SLOTS; i++)
{
enum machine_mode gr_mode = DImode;
+ unsigned int gr_size;
/* If we have an odd 4 byte hunk because we ran out of FR regs,
then this goes in a GR reg left adjusted/little endian, right
@@ -3636,17 +3637,19 @@ ia64_function_arg (CUMULATIVE_ARGS *cum, enum machine_mode mode, tree type,
adjusted/little endian. */
else if (byte_size - offset == 4)
gr_mode = SImode;
- /* Complex floats need to have float mode. */
- if (GET_MODE_CLASS (mode) == MODE_COMPLEX_FLOAT)
- gr_mode = hfa_mode;
loc[i] = gen_rtx_EXPR_LIST (VOIDmode,
gen_rtx_REG (gr_mode, (basereg
+ int_regs)),
GEN_INT (offset));
- offset += GET_MODE_SIZE (gr_mode);
- int_regs += GET_MODE_SIZE (gr_mode) <= UNITS_PER_WORD
- ? 1 : GET_MODE_SIZE (gr_mode) / UNITS_PER_WORD;
+
+ gr_size = GET_MODE_SIZE (gr_mode);
+ offset += gr_size;
+ if (gr_size == UNITS_PER_WORD
+ || (gr_size < UNITS_PER_WORD && offset % UNITS_PER_WORD == 0))
+ int_regs++;
+ else if (gr_size > UNITS_PER_WORD)
+ int_regs += gr_size / UNITS_PER_WORD;
}
/* If we ended up using just one location, just return that one loc, but