Hide regs_invalidated_by_call etc.

The previous patches removed all target-independent uses of
regs_invalidated_by_call, call_used_or_fixed_regs and
call_used_or_fixed_reg_p.  This patch therefore restricts
them to target-specific code (and reginfo.c, which sets them up).

2019-09-30  Richard Sandiford  <richard.sandiford@arm.com>

gcc/
	* hard-reg-set.h (regs_invalidated_by_call): Only define if
	IN_TARGET_CODE.
	(call_used_or_fixed_regs): Likewise.
	(call_used_or_fixed_reg_p): Likewise.
	* reginfo.c (regs_invalidated_by_call): New macro.

From-SVN: r276338

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c47da4c..00a1731 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,13 @@
 2019-09-30  Richard Sandiford  <richard.sandiford@arm.com>
 
+       * hard-reg-set.h (regs_invalidated_by_call): Only define if
+       IN_TARGET_CODE.
+       (call_used_or_fixed_regs): Likewise.
+       (call_used_or_fixed_reg_p): Likewise.
+       * reginfo.c (regs_invalidated_by_call): New macro.
+
+2019-09-30  Richard Sandiford  <richard.sandiford@arm.com>
+
        * shrink-wrap.c: Include function-abi.h.
        (requires_stack_frame_p): Use crtl->abi to test whether the
        current function can use a register without saving it first.

diff --git a/gcc/hard-reg-set.h b/gcc/hard-reg-set.h
index a54c167..6e7ceab 100644 (file)
--- a/gcc/hard-reg-set.h
+++ b/gcc/hard-reg-set.h
@@ -477,10 +477,12 @@ extern struct target_hard_regs *this_target_hard_regs;
 #endif
 #define savable_regs \
   (this_target_hard_regs->x_savable_regs)
+#ifdef IN_TARGET_CODE
 #define regs_invalidated_by_call \
   (this_target_hard_regs->x_regs_invalidated_by_call)
 #define call_used_or_fixed_regs \
   (regs_invalidated_by_call | fixed_reg_set)
+#endif
 #define reg_alloc_order \
   (this_target_hard_regs->x_reg_alloc_order)
 #define inv_reg_alloc_order \
@@ -509,6 +511,7 @@ extern const char * reg_class_names[];
 #define REG_CAN_CHANGE_MODE_P(REGN, FROM, TO)                          \
   (targetm.can_change_mode_class (FROM, TO, REGNO_REG_CLASS (REGN)))
 
+#ifdef IN_TARGET_CODE
 /* Return true if register REGNO is either fixed or call-used
    (aka call-clobbered).  */
 
@@ -517,5 +520,6 @@ call_used_or_fixed_reg_p (unsigned int regno)
 {
   return fixed_regs[regno] || this_target_hard_regs->x_call_used_regs[regno];
 }
+#endif
 
 #endif /* ! GCC_HARD_REG_SET_H */

diff --git a/gcc/reginfo.c b/gcc/reginfo.c
index 265157f..791c7a0 100644 (file)
--- a/gcc/reginfo.c
+++ b/gcc/reginfo.c
@@ -69,6 +69,8 @@ struct target_regs *this_target_regs = &default_target_regs;
 
 #define call_used_regs \
   (this_target_hard_regs->x_call_used_regs)
+#define regs_invalidated_by_call \
+  (this_target_hard_regs->x_regs_invalidated_by_call)
 
 /* Data for initializing fixed_regs.  */
 static const char initial_fixed_regs[] = FIXED_REGISTERS;