diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/function.c | 13 |
2 files changed, 10 insertions, 9 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4c0b975..26b34a3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -2,6 +2,12 @@ Alan Hayward <alan.hayward@arm.com> David Sherwood <david.sherwood@arm.com> + * function.c (pad_below): Simplify padding calculation. + +2017-08-21 Richard Sandiford <richard.sandiford@linaro.org> + Alan Hayward <alan.hayward@arm.com> + David Sherwood <david.sherwood@arm.com> + * target.def (function_prologue): Remove frame size argument. (function_epilogue): Likewise. * doc/tm.texi: Regenerate. diff --git a/gcc/function.c b/gcc/function.c index 20c287b..7fce0c5 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -4322,21 +4322,16 @@ pad_to_arg_alignment (struct args_size *offset_ptr, int boundary, static void pad_below (struct args_size *offset_ptr, machine_mode passed_mode, tree sizetree) { + unsigned int align = PARM_BOUNDARY / BITS_PER_UNIT; if (passed_mode != BLKmode) - { - if (GET_MODE_BITSIZE (passed_mode) % PARM_BOUNDARY) - offset_ptr->constant - += (((GET_MODE_BITSIZE (passed_mode) + PARM_BOUNDARY - 1) - / PARM_BOUNDARY * PARM_BOUNDARY / BITS_PER_UNIT) - - GET_MODE_SIZE (passed_mode)); - } + offset_ptr->constant += -GET_MODE_SIZE (passed_mode) & (align - 1); else { if (TREE_CODE (sizetree) != INTEGER_CST - || (TREE_INT_CST_LOW (sizetree) * BITS_PER_UNIT) % PARM_BOUNDARY) + || (TREE_INT_CST_LOW (sizetree) & (align - 1)) != 0) { /* Round the size up to multiple of PARM_BOUNDARY bits. */ - tree s2 = round_up (sizetree, PARM_BOUNDARY / BITS_PER_UNIT); + tree s2 = round_up (sizetree, align); /* Add it in. */ ADD_PARM_SIZE (*offset_ptr, s2); SUB_PARM_SIZE (*offset_ptr, sizetree); |