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rs6000.c (setup_incoming_varargs): Round up va_list_gpr_size. 

* config/rs6000/rs6000.c (setup_incoming_varargs): Round up
	va_list_gpr_size.

From-SVN: r199808
This commit is contained in:
Alan Modra 2013-06-07 21:53:46 +09:30 committed by Alan Modra
parent 961ce1191f
commit 8f90b7d4fc
2 changed files with 13 additions and 11 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2013-06-07 Alan Modra <amodra@gmail.com>
* config/rs6000/rs6000.c (setup_incoming_varargs): Round up
va_list_gpr_size.
2013-06-07 Alan Modra <amodra@gmail.com> 2013-06-07 Alan Modra <amodra@gmail.com>
* varasm.c (force_const_mem): Assert mode is not VOID or BLK. * varasm.c (force_const_mem): Assert mode is not VOID or BLK.

15
gcc/config/rs6000/rs6000.c
View File

@ -9370,20 +9370,17 @@ setup_incoming_varargs (cumulative_args_t cum, enum machine_mode mode,
if (! no_rtl && first_reg_offset < GP_ARG_NUM_REG if (! no_rtl && first_reg_offset < GP_ARG_NUM_REG
&& cfun->va_list_gpr_size) && cfun->va_list_gpr_size)
{ {
int nregs = GP_ARG_NUM_REG - first_reg_offset; int n_gpr, nregs = GP_ARG_NUM_REG - first_reg_offset;
if (va_list_gpr_counter_field) if (va_list_gpr_counter_field)
{
/* V4 va_list_gpr_size counts number of registers needed. */ /* V4 va_list_gpr_size counts number of registers needed. */
if (nregs > cfun->va_list_gpr_size) n_gpr = cfun->va_list_gpr_size;
nregs = cfun->va_list_gpr_size;
}
else else
{
/* char * va_list instead counts number of bytes needed. */ /* char * va_list instead counts number of bytes needed. */
if (nregs > cfun->va_list_gpr_size / reg_size) n_gpr = (cfun->va_list_gpr_size + reg_size - 1) / reg_size;
nregs = cfun->va_list_gpr_size / reg_size;
} if (nregs > n_gpr)
nregs = n_gpr;
mem = gen_rtx_MEM (BLKmode, mem = gen_rtx_MEM (BLKmode,
plus_constant (Pmode, save_area, plus_constant (Pmode, save_area,