emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits (rather than units...

	* emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
	(rather than units) against HOST_BITS_PER_WIDE_INT.

From-SVN: r102387

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index feeaab36d9d3009c6f7d701b30046f78097c5e8f..c6b3bc2d54ad201cc72980ba7cadb53a209a1d46 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
+
+       * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
+       (rather than units) against HOST_BITS_PER_WIDE_INT.
+
 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
 
        * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,

diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index fc34f6ecb51a476f651f158172cda3fa42295731..ba3ae57dcbab36ecdf68eda04c917e03f831e528 100644 (file)
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -1118,7 +1118,8 @@ gen_lowpart_common (enum machine_mode mode, rtx x)
   /* Unfortunately, this routine doesn't take a parameter for the mode of X,
      so we have to make one up.  Yuk.  */
   innermode = GET_MODE (x);
-  if (GET_CODE (x) == CONST_INT && msize <= HOST_BITS_PER_WIDE_INT)
+  if (GET_CODE (x) == CONST_INT
+      && msize * BITS_PER_UNIT <= HOST_BITS_PER_WIDE_INT)
     innermode = mode_for_size (HOST_BITS_PER_WIDE_INT, MODE_INT, 0);
   else if (innermode == VOIDmode)
     innermode = mode_for_size (HOST_BITS_PER_WIDE_INT * 2, MODE_INT, 0);