diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/combine.c | 3 |
2 files changed, 6 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6d3210f..c79b65c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2015-12-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + + * combine.c (change_zero_ext): Do not create a shift of zero length. + 2015-12-14 Claudiu Zissulescu <claziss@synopsys.com> * config/arc/arc.c (TARGET_NO_SPECULATION_IN_DELAY_SLOTS_P): diff --git a/gcc/combine.c b/gcc/combine.c index 71b1656..317a4b0 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -11045,7 +11045,8 @@ change_zero_ext (rtx *src) if (BITS_BIG_ENDIAN) start = GET_MODE_PRECISION (mode) - size - start; - x = gen_rtx_LSHIFTRT (mode, XEXP (x, 0), GEN_INT (start)); + x = simplify_gen_binary (LSHIFTRT, mode, + XEXP (x, 0), GEN_INT (start)); } else if (GET_CODE (x) == ZERO_EXTEND && GET_CODE (XEXP (x, 0)) == SUBREG |