* config/i386/i386.c (legitimate_constant_p): Handle UNSPEC_NTPOFF

[pf3gnuchains/gcc-fork.git] / gcc / hard-reg-set.h

diff --git a/gcc/hard-reg-set.h b/gcc/hard-reg-set.h
index dd08036..53330cf 100644 (file)
--- a/gcc/hard-reg-set.h
+++ b/gcc/hard-reg-set.h
@@ -92,7 +92,7 @@ typedef HARD_REG_ELT_TYPE HARD_REG_SET[HARD_REG_SET_LONGS];
 #define CLEAR_HARD_REG_BIT(SET, BIT)  \
  ((SET) &= ~(HARD_CONST (1) << (BIT)))
 #define TEST_HARD_REG_BIT(SET, BIT)  \
- ((SET) & (HARD_CONST (1) << (BIT)))
+ (!!((SET) & (HARD_CONST (1) << (BIT))))
 
 #define CLEAR_HARD_REG_SET(TO) ((TO) = HARD_CONST (0))
 #define SET_HARD_REG_SET(TO) ((TO) = ~ HARD_CONST (0))
@@ -122,58 +122,58 @@ typedef HARD_REG_ELT_TYPE HARD_REG_SET[HARD_REG_SET_LONGS];
    &= ~(HARD_CONST (1) << ((BIT) % UHOST_BITS_PER_WIDE_INT)))
 
 #define TEST_HARD_REG_BIT(SET, BIT)            \
-  ((SET)[(BIT) / UHOST_BITS_PER_WIDE_INT]      \
-   & (HARD_CONST (1) << ((BIT) % UHOST_BITS_PER_WIDE_INT)))
+  (!!((SET)[(BIT) / UHOST_BITS_PER_WIDE_INT]   \
+      & (HARD_CONST (1) << ((BIT) % UHOST_BITS_PER_WIDE_INT))))
 
 #if FIRST_PSEUDO_REGISTER <= 2*HOST_BITS_PER_WIDE_INT
 #define CLEAR_HARD_REG_SET(TO)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO);              \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);                       \
      scan_tp_[0] = 0;                                          \
      scan_tp_[1] = 0; } while (0)
 
 #define SET_HARD_REG_SET(TO)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO);              \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);                       \
      scan_tp_[0] = -1;                                         \
      scan_tp_[1] = -1; } while (0)
 
 #define COPY_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);  \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
      scan_tp_[0] = scan_fp_[0];                                        \
      scan_tp_[1] = scan_fp_[1]; } while (0)
 
 #define COMPL_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
      scan_tp_[0] = ~ scan_fp_[0];                              \
      scan_tp_[1] = ~ scan_fp_[1]; } while (0)
 
 #define AND_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); \
-     scan_tp_[0] &= scan_fp_[0];                                       \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
+     scan_tp_[0] &= scan_fp_[0];                               \
      scan_tp_[1] &= scan_fp_[1]; } while (0)
 
 #define AND_COMPL_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
      scan_tp_[0] &= ~ scan_fp_[0];                             \
      scan_tp_[1] &= ~ scan_fp_[1]; } while (0)
 
 #define IOR_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
      scan_tp_[0] |= scan_fp_[0];                               \
      scan_tp_[1] |= scan_fp_[1]; } while (0)
 
 #define IOR_COMPL_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
      scan_tp_[0] |= ~ scan_fp_[0];                             \
      scan_tp_[1] |= ~ scan_fp_[1]; } while (0)
 
 #define GO_IF_HARD_REG_SUBSET(X,Y,TO)  \
-do { register HARD_REG_ELT_TYPE *scan_xp_ = (X), *scan_yp_ = (Y); \
+do { HARD_REG_ELT_TYPE *scan_xp_ = (X), *scan_yp_ = (Y);       \
      if ((0 == (scan_xp_[0] & ~ scan_yp_[0]))                  \
         && (0 == (scan_xp_[1] & ~ scan_yp_[1])))               \
        goto TO; } while (0)
 
 #define GO_IF_HARD_REG_EQUAL(X,Y,TO)  \
-do { register HARD_REG_ELT_TYPE *scan_xp_ = (X), *scan_yp_ = (Y); \
+do { HARD_REG_ELT_TYPE *scan_xp_ = (X), *scan_yp_ = (Y);       \
      if ((scan_xp_[0] == scan_yp_[0])                          \
         && (scan_xp_[1] == scan_yp_[1]))                       \
        goto TO; } while (0)
@@ -181,62 +181,62 @@ do { register HARD_REG_ELT_TYPE *scan_xp_ = (X), *scan_yp_ = (Y); \
 #else
 #if FIRST_PSEUDO_REGISTER <= 3*HOST_BITS_PER_WIDE_INT
 #define CLEAR_HARD_REG_SET(TO)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO);              \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);                       \
      scan_tp_[0] = 0;                                          \
      scan_tp_[1] = 0;                                          \
      scan_tp_[2] = 0; } while (0)
 
 #define SET_HARD_REG_SET(TO)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO);              \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);                       \
      scan_tp_[0] = -1;                                         \
      scan_tp_[1] = -1;                                         \
      scan_tp_[2] = -1; } while (0)
 
 #define COPY_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);  \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
      scan_tp_[0] = scan_fp_[0];                                        \
      scan_tp_[1] = scan_fp_[1];                                        \
      scan_tp_[2] = scan_fp_[2]; } while (0)
 
 #define COMPL_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
      scan_tp_[0] = ~ scan_fp_[0];                              \
      scan_tp_[1] = ~ scan_fp_[1];                              \
      scan_tp_[2] = ~ scan_fp_[2]; } while (0)
 
 #define AND_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); \
-     scan_tp_[0] &= scan_fp_[0];                                       \
-     scan_tp_[1] &= scan_fp_[1];                                       \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
+     scan_tp_[0] &= scan_fp_[0];                               \
+     scan_tp_[1] &= scan_fp_[1];                               \
      scan_tp_[2] &= scan_fp_[2]; } while (0)
 
 #define AND_COMPL_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
      scan_tp_[0] &= ~ scan_fp_[0];                             \
      scan_tp_[1] &= ~ scan_fp_[1];                             \
      scan_tp_[2] &= ~ scan_fp_[2]; } while (0)
 
 #define IOR_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
      scan_tp_[0] |= scan_fp_[0];                               \
      scan_tp_[1] |= scan_fp_[1];                               \
      scan_tp_[2] |= scan_fp_[2]; } while (0)
 
 #define IOR_COMPL_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
      scan_tp_[0] |= ~ scan_fp_[0];                             \
      scan_tp_[1] |= ~ scan_fp_[1];                             \
      scan_tp_[2] |= ~ scan_fp_[2]; } while (0)
 
 #define GO_IF_HARD_REG_SUBSET(X,Y,TO)  \
-do { register HARD_REG_ELT_TYPE *scan_xp_ = (X), *scan_yp_ = (Y); \
+do { HARD_REG_ELT_TYPE *scan_xp_ = (X), *scan_yp_ = (Y);       \
      if ((0 == (scan_xp_[0] & ~ scan_yp_[0]))                  \
         && (0 == (scan_xp_[1] & ~ scan_yp_[1]))                \
         && (0 == (scan_xp_[2] & ~ scan_yp_[2])))               \
        goto TO; } while (0)
 
 #define GO_IF_HARD_REG_EQUAL(X,Y,TO)  \
-do { register HARD_REG_ELT_TYPE *scan_xp_ = (X), *scan_yp_ = (Y); \
+do { HARD_REG_ELT_TYPE *scan_xp_ = (X), *scan_yp_ = (Y);       \
      if ((scan_xp_[0] == scan_yp_[0])                          \
         && (scan_xp_[1] == scan_yp_[1])                        \
         && (scan_xp_[2] == scan_yp_[2]))                       \
@@ -245,63 +245,63 @@ do { register HARD_REG_ELT_TYPE *scan_xp_ = (X), *scan_yp_ = (Y); \
 #else
 #if FIRST_PSEUDO_REGISTER <= 4*HOST_BITS_PER_WIDE_INT
 #define CLEAR_HARD_REG_SET(TO)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO);              \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);                       \
      scan_tp_[0] = 0;                                          \
      scan_tp_[1] = 0;                                          \
      scan_tp_[2] = 0;                                          \
      scan_tp_[3] = 0; } while (0)
 
 #define SET_HARD_REG_SET(TO)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO);              \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);                       \
      scan_tp_[0] = -1;                                         \
      scan_tp_[1] = -1;                                         \
      scan_tp_[2] = -1;                                         \
      scan_tp_[3] = -1; } while (0)
 
 #define COPY_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);  \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
      scan_tp_[0] = scan_fp_[0];                                        \
      scan_tp_[1] = scan_fp_[1];                                        \
      scan_tp_[2] = scan_fp_[2];                                        \
      scan_tp_[3] = scan_fp_[3]; } while (0)
 
 #define COMPL_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
      scan_tp_[0] = ~ scan_fp_[0];                              \
      scan_tp_[1] = ~ scan_fp_[1];                              \
      scan_tp_[2] = ~ scan_fp_[2];                              \
      scan_tp_[3] = ~ scan_fp_[3]; } while (0)
 
 #define AND_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); \
-     scan_tp_[0] &= scan_fp_[0];                                       \
-     scan_tp_[1] &= scan_fp_[1];                                       \
-     scan_tp_[2] &= scan_fp_[2];                                       \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
+     scan_tp_[0] &= scan_fp_[0];                               \
+     scan_tp_[1] &= scan_fp_[1];                               \
+     scan_tp_[2] &= scan_fp_[2];                               \
      scan_tp_[3] &= scan_fp_[3]; } while (0)
 
 #define AND_COMPL_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
      scan_tp_[0] &= ~ scan_fp_[0];                             \
      scan_tp_[1] &= ~ scan_fp_[1];                             \
      scan_tp_[2] &= ~ scan_fp_[2];                             \
      scan_tp_[3] &= ~ scan_fp_[3]; } while (0)
 
 #define IOR_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
      scan_tp_[0] |= scan_fp_[0];                               \
      scan_tp_[1] |= scan_fp_[1];                               \
      scan_tp_[2] |= scan_fp_[2];                               \
      scan_tp_[3] |= scan_fp_[3]; } while (0)
 
 #define IOR_COMPL_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
      scan_tp_[0] |= ~ scan_fp_[0];                             \
      scan_tp_[1] |= ~ scan_fp_[1];                             \
      scan_tp_[2] |= ~ scan_fp_[2];                             \
      scan_tp_[3] |= ~ scan_fp_[3]; } while (0)
 
 #define GO_IF_HARD_REG_SUBSET(X,Y,TO)  \
-do { register HARD_REG_ELT_TYPE *scan_xp_ = (X), *scan_yp_ = (Y); \
+do { HARD_REG_ELT_TYPE *scan_xp_ = (X), *scan_yp_ = (Y);       \
      if ((0 == (scan_xp_[0] & ~ scan_yp_[0]))                  \
         && (0 == (scan_xp_[1] & ~ scan_yp_[1]))                \
         && (0 == (scan_xp_[2] & ~ scan_yp_[2]))                \
@@ -309,7 +309,7 @@ do { register HARD_REG_ELT_TYPE *scan_xp_ = (X), *scan_yp_ = (Y); \
        goto TO; } while (0)
 
 #define GO_IF_HARD_REG_EQUAL(X,Y,TO)  \
-do { register HARD_REG_ELT_TYPE *scan_xp_ = (X), *scan_yp_ = (Y); \
+do { HARD_REG_ELT_TYPE *scan_xp_ = (X), *scan_yp_ = (Y);       \
      if ((scan_xp_[0] == scan_yp_[0])                          \
         && (scan_xp_[1] == scan_yp_[1])                        \
         && (scan_xp_[2] == scan_yp_[2])                        \
@@ -319,63 +319,63 @@ do { register HARD_REG_ELT_TYPE *scan_xp_ = (X), *scan_yp_ = (Y); \
 #else /* FIRST_PSEUDO_REGISTER > 3*HOST_BITS_PER_WIDE_INT */
 
 #define CLEAR_HARD_REG_SET(TO)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO);              \
-     register int i;                                           \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);                       \
+     int i;                                                    \
      for (i = 0; i < HARD_REG_SET_LONGS; i++)                  \
        *scan_tp_++ = 0; } while (0)
 
 #define SET_HARD_REG_SET(TO)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO);              \
-     register int i;                                           \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);                       \
+     int i;                                                    \
      for (i = 0; i < HARD_REG_SET_LONGS; i++)                  \
        *scan_tp_++ = -1; } while (0)
 
 #define COPY_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); \
-     register int i;                                           \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
+     int i;                                                    \
      for (i = 0; i < HARD_REG_SET_LONGS; i++)                  \
        *scan_tp_++ = *scan_fp_++; } while (0)
 
 #define COMPL_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); \
-     register int i;                                           \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
+     int i;                                                    \
      for (i = 0; i < HARD_REG_SET_LONGS; i++)                  \
        *scan_tp_++ = ~ *scan_fp_++; } while (0)
 
 #define AND_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); \
-     register int i;                                           \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
+     int i;                                                    \
      for (i = 0; i < HARD_REG_SET_LONGS; i++)                  \
        *scan_tp_++ &= *scan_fp_++; } while (0)
 
 #define AND_COMPL_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); \
-     register int i;                                           \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
+     int i;                                                    \
      for (i = 0; i < HARD_REG_SET_LONGS; i++)                  \
        *scan_tp_++ &= ~ *scan_fp_++; } while (0)
 
 #define IOR_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); \
-     register int i;                                           \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
+     int i;                                                    \
      for (i = 0; i < HARD_REG_SET_LONGS; i++)                  \
        *scan_tp_++ |= *scan_fp_++; } while (0)
 
 #define IOR_COMPL_HARD_REG_SET(TO, FROM)  \
-do { register HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); \
-     register int i;                                           \
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);   \
+     int i;                                                    \
      for (i = 0; i < HARD_REG_SET_LONGS; i++)                  \
        *scan_tp_++ |= ~ *scan_fp_++; } while (0)
 
 #define GO_IF_HARD_REG_SUBSET(X,Y,TO)  \
-do { register HARD_REG_ELT_TYPE *scan_xp_ = (X), *scan_yp_ = (Y); \
-     register int i;                                           \
+do { HARD_REG_ELT_TYPE *scan_xp_ = (X), *scan_yp_ = (Y);       \
+     int i;                                                    \
      for (i = 0; i < HARD_REG_SET_LONGS; i++)                  \
        if (0 != (*scan_xp_++ & ~ *scan_yp_++)) break;          \
      if (i == HARD_REG_SET_LONGS) goto TO; } while (0)
 
 #define GO_IF_HARD_REG_EQUAL(X,Y,TO)  \
-do { register HARD_REG_ELT_TYPE *scan_xp_ = (X), *scan_yp_ = (Y); \
-     register int i;                                           \
+do { HARD_REG_ELT_TYPE *scan_xp_ = (X), *scan_yp_ = (Y);       \
+     int i;                                                    \
      for (i = 0; i < HARD_REG_SET_LONGS; i++)                  \
        if (*scan_xp_++ != *scan_yp_++) break;                  \
      if (i == HARD_REG_SET_LONGS) goto TO; } while (0)
@@ -405,6 +405,10 @@ extern HARD_REG_SET fixed_reg_set;
 
 extern char call_used_regs[FIRST_PSEUDO_REGISTER];
 
+#ifdef CALL_REALLY_USED_REGISTERS
+extern char call_really_used_regs[];
+#endif
+
 /* The same info as a HARD_REG_SET.  */
 
 extern HARD_REG_SET call_used_reg_set;
@@ -452,7 +456,7 @@ extern int inv_reg_alloc_order[FIRST_PSEUDO_REGISTER];
 
 /* For each reg class, a HARD_REG_SET saying which registers are in it.  */
 
-extern HARD_REG_SET reg_class_contents[];
+extern HARD_REG_SET reg_class_contents[N_REG_CLASSES];
 
 /* For each reg class, number of regs it contains.  */
 
@@ -484,4 +488,9 @@ extern int n_non_fixed_regs;
 
 extern const char * reg_names[FIRST_PSEUDO_REGISTER];
 
+/* Given a hard REGN a FROM mode and a TO mode, return nonzero if
+   REGN cannot change modes between the specified modes.  */
+#define REG_CANNOT_CHANGE_MODE_P(REGN, FROM, TO)                          \
+         CANNOT_CHANGE_MODE_CLASS (FROM, TO, REGNO_REG_CLASS (REGN))
+
 #endif /* ! GCC_HARD_REG_SET_H */