From: Maciej W. Rozycki <macro@orcam.me.uk>
Date: Wed, 21 Apr 2021 21:33:02 +0000 (+0200)
Subject: VAX: Remove dead `adjacent_operands_p' function
X-Git-Tag: upstream/12.2.0~8527
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=436e6f7d85cbd744c3f3aa393043e615dca1d36f;p=platform%2Fupstream%2Fgcc.git

VAX: Remove dead `adjacent_operands_p' function

This function has never been used and it is unclear what its intended
purpose was.

	gcc/
	* config/vax/vax-protos.h (adjacent_operands_p): Remove
	prototype.
	* config/vax/vax.c (adjacent_operands_p): Remove.
---

diff --git a/gcc/config/vax/vax-protos.h b/gcc/config/vax/vax-protos.h
index 89fddec..6dcbf53 100644
--- a/gcc/config/vax/vax-protos.h
+++ b/gcc/config/vax/vax-protos.h
@@ -24,7 +24,6 @@ extern void vax_expand_prologue (void);
 extern bool vax_acceptable_pic_operand_p (rtx, bool, bool);
 extern machine_mode vax_select_cc_mode (enum rtx_code, rtx, rtx);
 extern const char *cond_name (rtx);
-extern bool adjacent_operands_p (rtx, rtx, machine_mode);
 extern const char *rev_cond_name (rtx);
 extern void print_operand_address (FILE *, rtx);
 extern void print_operand (FILE *, rtx, int);
diff --git a/gcc/config/vax/vax.c b/gcc/config/vax/vax.c
index 726c371..870af2b 100644
--- a/gcc/config/vax/vax.c
+++ b/gcc/config/vax/vax.c
@@ -2108,79 +2108,6 @@ vax_expand_addsub_di_operands (rtx * operands, enum rtx_code code)
     }
 }
 
-bool
-adjacent_operands_p (rtx lo, rtx hi, machine_mode mode)
-{
-  HOST_WIDE_INT lo_offset;
-  HOST_WIDE_INT hi_offset;
-
-  if (GET_CODE (lo) != GET_CODE (hi))
-    return false;
-
-  if (REG_P (lo))
-    return mode == SImode && REGNO (lo) + 1 == REGNO (hi);
-  if (CONST_INT_P (lo))
-    return INTVAL (hi) == 0 && UINTVAL (lo) < 64;
-  if (CONST_INT_P (lo))
-    return mode != SImode;
-
-  if (!MEM_P (lo))
-    return false;
-
-  if (MEM_VOLATILE_P (lo) || MEM_VOLATILE_P (hi))
-    return false;
-
-  lo = XEXP (lo, 0);
-  hi = XEXP (hi, 0);
-
-  if (GET_CODE (lo) == POST_INC /* || GET_CODE (lo) == PRE_DEC */)
-    return rtx_equal_p (lo, hi);
-
-  switch (GET_CODE (lo))
-    {
-    case REG:
-    case SYMBOL_REF:
-      lo_offset = 0;
-      break;
-    case CONST:
-      lo = XEXP (lo, 0);
-      /* FALLTHROUGH */
-    case PLUS:
-      if (!CONST_INT_P (XEXP (lo, 1)))
-	return false;
-      lo_offset = INTVAL (XEXP (lo, 1));
-      lo = XEXP (lo, 0);
-      break;
-    default:
-      return false;
-    }
-
-  switch (GET_CODE (hi))
-    {
-    case REG:
-    case SYMBOL_REF:
-      hi_offset = 0;
-      break;
-    case CONST:
-      hi = XEXP (hi, 0);
-      /* FALLTHROUGH */
-    case PLUS:
-      if (!CONST_INT_P (XEXP (hi, 1)))
-	return false;
-      hi_offset = INTVAL (XEXP (hi, 1));
-      hi = XEXP (hi, 0);
-      break;
-    default:
-      return false;
-    }
-
-  if (GET_CODE (lo) == MULT || GET_CODE (lo) == PLUS)
-    return false;
-
-  return rtx_equal_p (lo, hi)
-	 && hi_offset - lo_offset == GET_MODE_SIZE (mode);
-}
-
 /* Output assembler code for a block containing the constant parts
    of a trampoline, leaving space for the variable parts.  */