From: Richard Kenner <kenner@gcc.gnu.org>
Date: Wed, 27 Dec 1995 20:29:15 +0000 (-0500)
Subject: ({CONSTANT,DATA}_ALIGNMENT): Align to at least BITS_PER_WORD.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=442b16859cfb776f532d6cdb4908ce19e96924e2;p=gcc.git

({CONSTANT,DATA}_ALIGNMENT): Align to at least BITS_PER_WORD.

(PREDICATE_CODES): Add reg_or_unaligned_mem_operand.

From-SVN: r10881
---

diff --git a/gcc/config/alpha/alpha.h b/gcc/config/alpha/alpha.h
index ac283ad0092..3581cbfe366 100644
--- a/gcc/config/alpha/alpha.h
+++ b/gcc/config/alpha/alpha.h
@@ -252,16 +252,10 @@ extern int target_flags;
 /* No data type wants to be aligned rounder than this.  */
 #define BIGGEST_ALIGNMENT 64
 
-/* Make strings word-aligned so strcpy from constants will be faster.  */
-#define CONSTANT_ALIGNMENT(EXP, ALIGN)  \
-  (TREE_CODE (EXP) == STRING_CST	\
-   && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN))
-
-/* Make arrays of chars word-aligned for the same reasons.  */
-#define DATA_ALIGNMENT(TYPE, ALIGN)		\
-  (TREE_CODE (TYPE) == ARRAY_TYPE		\
-   && TYPE_MODE (TREE_TYPE (TYPE)) == QImode	\
-   && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN))
+/* Align all constants and variables to at least a word boundary so
+   we can pick up pieces of them faster.  */
+#define CONSTANT_ALIGNMENT(EXP, ALIGN) MAX ((ALIGN), BITS_PER_WORD)
+#define DATA_ALIGNMENT(EXP, ALIGN) MAX ((ALIGN), BITS_PER_WORD)
 
 /* Set this non-zero if move instructions will actually fail to work
    when given unaligned data.
@@ -1888,6 +1882,7 @@ literal_section ()						\
 		    SYMBOL_REF, CONST, LABEL_REF}},	\
   {"aligned_memory_operand", {MEM}},			\
   {"unaligned_memory_operand", {MEM}},			\
+  {"reg_or_unaligned_mem_operand", {SUBREG, REG, MEM}},	\
   {"any_memory_operand", {MEM}},
 
 /* Tell collect that the object format is ECOFF.  */