expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to bytes.

        * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
        bytes.  Reported by Kazu Hirata <kazu@hxi.com>.

From-SVN: r41956

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 41ca4032911c9795ed3c2476ef6c0793839f2002..59c8e2f9fb5f02476d1a0cfe88ab06b72d4a8bd2 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2001-05-10  David Edelsohn  <edelsohn@gnu.org>
+
+       * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
+       bytes.  Reported by Kazu Hirata <kazu@hxi.com>.
+
 2001-05-10  David Edelsohn  <edelsohn@gnu.org>
 
        * expr.c (emit_group_load): extract_bit_field requires a REG or

diff --git a/gcc/expr.c b/gcc/expr.c
index cdabeddece74cc7a4f1190f970251c6157efddc0..0f75b6912f99d4fccc71725f03efadefecb884d8 100644 (file)
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -1511,7 +1511,7 @@ move_by_pieces (to, from, len, align)
 }
 
 /* Return number of insns required to move L bytes by pieces.
-   ALIGN (in bytes) is maximum alignment we can assume.  */
+   ALIGN (in bits) is maximum alignment we can assume.  */
 
 static unsigned HOST_WIDE_INT
 move_by_pieces_ninsns (l, align)
@@ -3177,7 +3177,7 @@ emit_single_push_insn (mode, x, type)
    SIZE is an rtx for the size of data to be copied (in bytes),
    needed only if X is BLKmode.
 
-   ALIGN is maximum alignment we can assume.
+   ALIGN (in bits) is maximum alignment we can assume.
 
    If PARTIAL and REG are both nonzero, then copy that many of the first
    words of X into registers starting with REG, and push the rest of X.
@@ -3280,7 +3280,8 @@ emit_push_insn (x, mode, type, size, align, partial, reg, extra,
             and such small pushes do rounding that causes trouble.  */
          && ((! SLOW_UNALIGNED_ACCESS (word_mode, align))
              || align >= BIGGEST_ALIGNMENT
-             || PUSH_ROUNDING (align) == align)
+             || (PUSH_ROUNDING (align / BITS_PER_UNIT)
+                 == (align / BITS_PER_UNIT)))
          && PUSH_ROUNDING (INTVAL (size)) == INTVAL (size))
        {
          /* Push padding now if padding above and stack grows down,