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Re: [patch] Poison SMALL_REGISTER_CLASSES


On Wed, Feb 15, 2012 at 7:36 PM, Steven Bosscher <stevenb.gcc@gmail.com> wrote:
> Hello,
>
> While going through some old patches of mine, I noticed this:
>
> config/rl78/rl78.h:#define SMALL_REGISTER_CLASSES ? ? ? ? ? ? ? 1
> config/rx/rx.h:#define SMALL_REGISTER_CLASSES ? ? ? ? ? 0
>
> Can't possibly work, that target macro was replaced with a hook.
>
> Attached patch OK for trunk?

And this will be needed to make those ports do what was intended:

	* config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
	* config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.

Index: config/rl78/rl78.h
===================================================================
--- config/rl78/rl78.h	(revision 184217)
+++ config/rl78/rl78.h	(working copy)
@@ -258,7 +258,7 @@ enum reg_class
   { 0xff7fffff, 0x0000001f }	/* All registers.  */		\
 }

-#define SMALL_REGISTER_CLASSES 		1
+#define TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P hook_bool_mode_true
 #define N_REG_CLASSES			(int) LIM_REG_CLASSES
 #define CLASS_MAX_NREGS(CLASS, MODE)    ((GET_MODE_SIZE (MODE) \
 					  + UNITS_PER_WORD - 1) \
Index: config/rx/rx.h
===================================================================
--- config/rx/rx.h	(revision 184217)
+++ config/rx/rx.h	(working copy)
@@ -185,7 +185,6 @@ enum reg_class
   { 0x0000ffff }	/* All registers.  */		\
 }

-#define SMALL_REGISTER_CLASSES 		0
 #define N_REG_CLASSES			(int) LIM_REG_CLASSES
 #define CLASS_MAX_NREGS(CLASS, MODE)    ((GET_MODE_SIZE (MODE) \
 					  + UNITS_PER_WORD - 1) \


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