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| author | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2003-03-08 07:32:36 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2003-03-08 07:32:36 +0000 |
| commit | ed97aa662b866f3f17e09f52740ad3acfe1cebe5 (patch) | |
| tree | 22d7ada44abb7cd413b8b1e8ea59251eecd98a92 /gcc/unroll.c | |
| parent | 611db4979acfdb330276ea03259b604ba4ef33df (diff) | |
| download | gcc-ed97aa662b866f3f17e09f52740ad3acfe1cebe5.zip gcc-ed97aa662b866f3f17e09f52740ad3acfe1cebe5.tar.gz gcc-ed97aa662b866f3f17e09f52740ad3acfe1cebe5.tar.bz2 | |
re PR middle-end/7796 (sparc-sun-solaris2.7 extra failure w/-m64 on execute/930921-1.c in unroll.c)
PR middle-end/7796
* unroll.c (calculate_giv_inc): Handle constants being
loaded with LSHIFTRT.
From-SVN: r63971
Diffstat (limited to 'gcc/unroll.c')
| -rw-r--r-- | gcc/unroll.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gcc/unroll.c b/gcc/unroll.c index 982b32df..3b5dd7c 100644 --- a/gcc/unroll.c +++ b/gcc/unroll.c @@ -1624,11 +1624,13 @@ calculate_giv_inc (pattern, src_insn, regno) } else if (GET_CODE (increment) == IOR + || GET_CODE (increment) == PLUS || GET_CODE (increment) == ASHIFT - || GET_CODE (increment) == PLUS) + || GET_CODE (increment) == LSHIFTRT) { /* The rs6000 port loads some constants with IOR. - The alpha port loads some constants with ASHIFT and PLUS. */ + The alpha port loads some constants with ASHIFT and PLUS. + The sparc64 port loads some constants with LSHIFTRT. */ rtx second_part = XEXP (increment, 1); enum rtx_code code = GET_CODE (increment); @@ -1645,8 +1647,10 @@ calculate_giv_inc (pattern, src_insn, regno) increment = GEN_INT (INTVAL (increment) | INTVAL (second_part)); else if (code == PLUS) increment = GEN_INT (INTVAL (increment) + INTVAL (second_part)); - else + else if (code == ASHIFT) increment = GEN_INT (INTVAL (increment) << INTVAL (second_part)); + else + increment = GEN_INT ((unsigned HOST_WIDE_INT) INTVAL (increment) >> INTVAL (second_part)); } if (GET_CODE (increment) != CONST_INT) |