diff options
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/emit-rtl.c | 9 | ||||
| -rw-r--r-- | gcc/rtl.h | 4 |
3 files changed, 15 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ad7ee7e..fa0a3ce 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -2,6 +2,14 @@ Alan Hayward <alan.hayward@arm.com> David Sherwood <david.sherwood@arm.com> + * rtl.h (operand_subword, operand_subword_force): Take the offset + as a poly_uint64 an unsigned int. + * emit-rtl.c (operand_subword, operand_subword_force): Likewise. + +2017-12-20 Richard Sandiford <richard.sandiford@linaro.org> + Alan Hayward <alan.hayward@arm.com> + David Sherwood <david.sherwood@arm.com> + * doc/rtl.texi: Update documentation of SUBREG_BYTE. Document the 'p' format code. Use INT_LIST rather than SUBREG as the example of a code with an XINT and an XEXP. Remove the implication that diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index f8d2f55..6f4dea3 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -1705,7 +1705,8 @@ subreg_lowpart_p (const_rtx x) */ rtx -operand_subword (rtx op, unsigned int offset, int validate_address, machine_mode mode) +operand_subword (rtx op, poly_uint64 offset, int validate_address, + machine_mode mode) { if (mode == VOIDmode) mode = GET_MODE (op); @@ -1714,12 +1715,12 @@ operand_subword (rtx op, unsigned int offset, int validate_address, machine_mode /* If OP is narrower than a word, fail. */ if (mode != BLKmode - && (GET_MODE_SIZE (mode) < UNITS_PER_WORD)) + && maybe_lt (GET_MODE_SIZE (mode), UNITS_PER_WORD)) return 0; /* If we want a word outside OP, return zero. */ if (mode != BLKmode - && (offset + 1) * UNITS_PER_WORD > GET_MODE_SIZE (mode)) + && maybe_gt ((offset + 1) * UNITS_PER_WORD, GET_MODE_SIZE (mode))) return const0_rtx; /* Form a new MEM at the requested address. */ @@ -1753,7 +1754,7 @@ operand_subword (rtx op, unsigned int offset, int validate_address, machine_mode MODE is the mode of OP, in case it is CONST_INT. */ rtx -operand_subword_force (rtx op, unsigned int offset, machine_mode mode) +operand_subword_force (rtx op, poly_uint64 offset, machine_mode mode) { rtx result = operand_subword (op, offset, 1, mode); @@ -3043,10 +3043,10 @@ extern rtx gen_lowpart_if_possible (machine_mode, rtx); /* In emit-rtl.c */ extern rtx gen_highpart (machine_mode, rtx); extern rtx gen_highpart_mode (machine_mode, machine_mode, rtx); -extern rtx operand_subword (rtx, unsigned int, int, machine_mode); +extern rtx operand_subword (rtx, poly_uint64, int, machine_mode); /* In emit-rtl.c */ -extern rtx operand_subword_force (rtx, unsigned int, machine_mode); +extern rtx operand_subword_force (rtx, poly_uint64, machine_mode); extern int subreg_lowpart_p (const_rtx); extern poly_uint64 subreg_size_lowpart_offset (poly_uint64, poly_uint64); |