[PATCH 1/9] Change type of x86_64_ms_sysv_extra_clobbered_registers

[Daniel Santos]

This will need to be unsigned for a subsequent patch. Also adds the
constant NUM_X86_64_MS_CLOBBERED_REGS for brievity.
---
 gcc/config/i386/i386.c | 8 +++-----
 gcc/config/i386/i386.h | 4 +++-
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index a5c4ba7..56cc67d 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -2421,7 +2421,7 @@ static int const x86_64_int_return_registers[4] =
 
 /* Additional registers that are clobbered by SYSV calls.  */
 
-int const x86_64_ms_sysv_extra_clobbered_registers[12] =
+unsigned const x86_64_ms_sysv_extra_clobbered_registers[12] =
 {
   SI_REG, DI_REG,
   XMM6_REG, XMM7_REG,
@@ -28209,11 +28209,9 @@ ix86_expand_call (rtx retval, rtx fnaddr, rtx callarg1,
   else if (TARGET_64BIT_MS_ABI
           && (!callarg2 || INTVAL (callarg2) != -2))
     {
-      int const cregs_size
-       = ARRAY_SIZE (x86_64_ms_sysv_extra_clobbered_registers);
-      int i;
+      unsigned i;
 
-      for (i = 0; i < cregs_size; i++)
+      for (i = 0; i < NUM_X86_64_MS_CLOBBERED_REGS; i++)
        {
          int regno = x86_64_ms_sysv_extra_clobbered_registers[i];
          machine_mode mode = SSE_REGNO_P (regno) ? TImode : DImode;
diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h
index add7a64..a45b66a 100644
--- a/gcc/config/i386/i386.h
+++ b/gcc/config/i386/i386.h
@@ -2172,7 +2172,9 @@ extern int const dbx_register_map[FIRST_PSEUDO_REGISTER];
 extern int const dbx64_register_map[FIRST_PSEUDO_REGISTER];
 extern int const svr4_dbx_register_map[FIRST_PSEUDO_REGISTER];
 
-extern int const x86_64_ms_sysv_extra_clobbered_registers[12];
+extern unsigned const x86_64_ms_sysv_extra_clobbered_registers[12];
+#define NUM_X86_64_MS_CLOBBERED_REGS \
+  (ARRAY_SIZE (x86_64_ms_sysv_extra_clobbered_registers))
 
 /* Before the prologue, RA is at 0(%esp).  */
 #define INCOMING_RETURN_ADDR_RTX \
-- 
2.9.0