diff options
| author | Alan Lehotsky <alehotsky@cygnus.com> | 2000-09-25 17:44:09 +0000 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2000-09-25 10:44:09 -0700 |
| commit | 90e9ee6cc719c32595e2a9936229e6d4e87d88ac (patch) | |
| tree | 6d7aed6b1f0dfc7a7d16ba327ff3375278ce95ac | |
| parent | be54495730aff9630aca762dd7f03c5b897cc787 (diff) | |
| download | gcc-90e9ee6cc719c32595e2a9936229e6d4e87d88ac.zip gcc-90e9ee6cc719c32595e2a9936229e6d4e87d88ac.tar.gz gcc-90e9ee6cc719c32595e2a9936229e6d4e87d88ac.tar.bz2 | |
emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when UNITS_PER_WORD is small.
* emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
UNITS_PER_WORD is small.
From-SVN: r36625
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/emit-rtl.c | 3 |
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0c08c8e..b4d4ba5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2000-09-24 Alan Lehotsky <alehotsky@cygnus.com> + + * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when + UNITS_PER_WORD is small. + 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk> * c-common.c (format_char_info): Add flags2; update comments. diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index ac5e965..2a4bdb9 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -707,7 +707,8 @@ gen_lowpart_common (mode, x) return gen_rtx_fmt_e (GET_CODE (x), mode, XEXP (x, 0)); } else if (GET_CODE (x) == SUBREG - && (GET_MODE_SIZE (mode) <= UNITS_PER_WORD + && (GET_MODE_SIZE (mode) <= GET_MODE_SIZE (GET_MODE (SUBREG_REG (x))) + || GET_MODE_SIZE (mode) <= UNITS_PER_WORD || GET_MODE_SIZE (mode) == GET_MODE_UNIT_SIZE (GET_MODE (x)))) return (GET_MODE (SUBREG_REG (x)) == mode && SUBREG_WORD (x) == 0 ? SUBREG_REG (x) |