diff options
Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index 5f2d8b262a3..c24ba255865 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -1018,34 +1018,6 @@ maybe_set_first_label_num (rtx x) first_label_num = CODE_LABEL_NUMBER (x); } -/* Return the final regno of X, which is a SUBREG of a hard - register. */ -int -subreg_hard_regno (rtx x, int check_mode) -{ - enum machine_mode mode = GET_MODE (x); - unsigned int byte_offset, base_regno, final_regno; - rtx reg = SUBREG_REG (x); - - /* This is where we attempt to catch illegal subregs - created by the compiler. */ - gcc_assert (GET_CODE (x) == SUBREG && REG_P (reg)); - base_regno = REGNO (reg); - gcc_assert (base_regno < FIRST_PSEUDO_REGISTER); - gcc_assert (!check_mode || HARD_REGNO_MODE_OK (base_regno, GET_MODE (reg))); -#ifdef ENABLE_CHECKING - gcc_assert (subreg_offset_representable_p (REGNO (reg), GET_MODE (reg), - SUBREG_BYTE (x), mode)); -#endif - /* Catch non-congruent offsets too. */ - byte_offset = SUBREG_BYTE (x); - gcc_assert (!(byte_offset % GET_MODE_SIZE (mode))); - - final_regno = subreg_regno (x); - - return final_regno; -} - /* Return a value representing some low-order bits of X, where the number of low-order bits is given by MODE. Note that no conversion is done between floating-point and fixed-point values, rather, the bit |