diff options
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 a357ea209cf..c6b09372c2f 100644 --- a/gcc/unroll.c +++ b/gcc/unroll.c @@ -1621,11 +1621,13 @@ 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); @@ -1642,8 +1644,10 @@ 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) |