(HARD_REGNO_MODE_OK): Properly check for floating-point registers.

Register 16 is AP and not floating.

From-SVN: r4387

diff --git a/gcc/config/i386/sequent.h b/gcc/config/i386/sequent.h
index 004d3d1..5604347 100644 (file)
--- a/gcc/config/i386/sequent.h
+++ b/gcc/config/i386/sequent.h
@@ -73,6 +73,20 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 ((n) < 3 ? (n) : (n) < 6 ? (n) + 2     \
  : (n) == 6 ? 15 : (n) == 7 ? 14 : 3)
 
+/* malcolmp@hydra.maths.unsw.EDU.AU says these two definitions
+   fix trouble in dbx.  */
+#undef DBX_OUTPUT_LBRAC
+#define DBX_OUTPUT_LBRAC(file,name)    \
+             fprintf (asmfile, "%s %d,0,%d,", ASM_STABN_OP, N_LBRAC, depth); \
+             assemble_name (asmfile, buf); \
+             fprintf (asmfile, "\n");
+
+#undef DBX_OUTPUT_RBRAC
+#define DBX_OUTPUT_RBRAC(file,name)    \
+             fprintf (asmfile, "%s %d,0,%d,", ASM_STABN_OP, N_RBRAC, depth); \
+             assemble_name (asmfile, buf); \
+             fprintf (asmfile, "\n");
+
 /* Prevent anything from being allocated in the register pair cx/bx,
    since that would confuse GDB.  */
 
@@ -80,8 +94,8 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #define HARD_REGNO_MODE_OK(REGNO, MODE) \
   (((REGNO) < 2 ? 1                                                    \
     : (REGNO) < 4 ? 1                                                  \
-    : (REGNO) >= 8 ? (GET_MODE_CLASS (MODE) == MODE_FLOAT              \
-                   || GET_MODE_CLASS (MODE) == MODE_COMPLEX_FLOAT)     \
+    : FP_REGNO_P (REGNO) ? (GET_MODE_CLASS (MODE) == MODE_FLOAT         \
+                           || GET_MODE_CLASS (MODE) == MODE_COMPLEX_FLOAT) \
     : (MODE) != QImode)                                                        \
    && ! (REGNO == 2 && GET_MODE_UNIT_SIZE (MODE) > 4))