[PATCH] powerpc: Restore bootstrap for PPC Darwin.

[Iain Sandoe]

Hi,

Darwin has signed chars and the fields in the insn_data
struct are const char, which leads to a bootstrap fail with

"error: comparison of integer expressions of different signedness: 'unsigned 
int' and 'const char' [-Werror=sign-compare]”

OK for master?
Iain

gcc/ChangeLog:

        * config/rs6000/rs6000-call.c (mma_init_builtins): Cast
        the insn_data n_operands value to unsigned.
---
 gcc/config/rs6000/rs6000-call.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/config/rs6000/rs6000-call.c b/gcc/config/rs6000/rs6000-call.c
index 81816a5..8d9be44 100644
--- a/gcc/config/rs6000/rs6000-call.c
+++ b/gcc/config/rs6000/rs6000-call.c
@@ -13435,7 +13435,7 @@ mma_init_builtins (void)
        {
          /* This is a normal MMA built-in function.  */
          unsigned j = (attr & RS6000_BTC_QUAD) ? 1 : 0;
-         for (; j < insn_data[icode].n_operands; j++)
+         for (; j < (unsigned) insn_data[icode].n_operands; j++)
            {
              machine_mode mode = insn_data[icode].operand[j].mode;
              if (gimple_func && mode == PXImode)
-- 
2.8.1