From 73de376fa0e930f494feeda1603dc34eaeef6067 Mon Sep 17 00:00:00 2001 From: "J\"orn Rennecke" Date: Wed, 25 Apr 2001 16:14:24 +0000 Subject: [PATCH] emit-rtl.c (constant_subword): Also do sign extension in BITS_PER_WORD == 16 case. * emit-rtl.c (constant_subword): Also do sign extension in BITS_PER_WORD == 16 case. From-SVN: r41545 --- gcc/ChangeLog | 5 +++++ gcc/emit-rtl.c | 4 ++-- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 87bac601ba2..c6c57ef95bf 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Wed Apr 25 17:09:50 2001 J"orn Rennecke + + * emit-rtl.c (constant_subword): Also do sign extension in + BITS_PER_WORD == 16 case. + 2001-04-25 Jason Merrill * loop.c (try_swap_copy_prop): Go back to checking insn. diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index 480ff15ee98..6fe21ae4d25 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -1369,7 +1369,7 @@ constant_subword (op, offset, mode) val = k[offset >> 1]; if ((offset & 1) == ! WORDS_BIG_ENDIAN) val >>= 16; - val &= 0xffff; + val = ((val & 0xffff) ^ 0x8000) - 0x8000; return GEN_INT (val); } else @@ -1448,7 +1448,7 @@ constant_subword (op, offset, mode) { if ((offset & 1) == ! WORDS_BIG_ENDIAN) val >>= 16; - val &= 0xffff; + val = ((val & 0xffff) ^ 0x8000) - 0x8000; } return GEN_INT (val); -- 2.30.2