diff options
Diffstat (limited to 'gcc/rtlhooks.c')
| -rw-r--r-- | gcc/rtlhooks.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/rtlhooks.c b/gcc/rtlhooks.c index bc41398..0034da7 100644 --- a/gcc/rtlhooks.c +++ b/gcc/rtlhooks.c @@ -44,9 +44,12 @@ gen_lowpart_general (enum machine_mode mode, rtx x) if (result) return result; - else if (REG_P (x)) + /* If it's a REG, it must be a hard reg that's not valid in MODE. */ + else if (REG_P (x) + /* Or we could have a subreg of a floating point value. */ + || (GET_CODE (x) == SUBREG + && FLOAT_MODE_P (GET_MODE (SUBREG_REG (x))))) { - /* Must be a hard reg that's not valid in MODE. */ result = gen_lowpart_common (mode, copy_to_reg (x)); gcc_assert (result != 0); return result; |