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| author | burnus <burnus@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-09-20 21:49:12 +0000 |
|---|---|---|
| committer | burnus <burnus@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-09-20 21:49:12 +0000 |
| commit | c9c81ef3c667aaa14c498a5449ec6d134b4b66ff (patch) | |
| tree | 0ac440db6513ee01deb5e5dc6142769d1e5b7b2d /gcc/rtlanal.c | |
| parent | 12cdcb9d74f55c165366ca1b1eeec013a0ce72ef (diff) | |
| parent | 891196d7325e4c55d92d5ac5cfe7161c4f36c0ce (diff) | |
| download | gcc-fortran-dev.tar.gz | |
Merge from trunk (r239915 to r240230)fortran-dev
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/fortran-dev@240290 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/rtlanal.c')
| -rw-r--r-- | gcc/rtlanal.c | 32 |
1 files changed, 2 insertions, 30 deletions
diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index 6470c4377ea..470c143fcf2 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -345,7 +345,6 @@ rtx_varies_p (const_rtx x, bool for_alias) static HOST_WIDE_INT get_initial_register_offset (int from, int to) { -#ifdef ELIMINABLE_REGS static const struct elim_table_t { const int from; @@ -448,33 +447,6 @@ get_initial_register_offset (int from, int to) return get_initial_register_offset (from, FRAME_POINTER_REGNUM); else return 0; - -#else - HOST_WIDE_INT offset; - - if (to == from) - return 0; - - if (reload_completed) - { - INITIAL_FRAME_POINTER_OFFSET (offset); - } - else - { - offset = crtl->outgoing_args_size + get_frame_size (); -#if !STACK_GROWS_DOWNWARD - offset = - offset; -#endif - } - - if (to == STACK_POINTER_REGNUM) - return offset; - else if (from == STACK_POINTER_REGNUM) - return - offset; - else - return 0; - -#endif } /* Return nonzero if the use of X+OFFSET as an address in a MEM with SIZE @@ -4511,8 +4483,8 @@ nonzero_bits1 (const_rtx x, machine_mode mode, const_rtx known_x, int sign_index = GET_MODE_PRECISION (GET_MODE (x)) - 1; int width0 = floor_log2 (nz0) + 1; int width1 = floor_log2 (nz1) + 1; - int low0 = floor_log2 (nz0 & -nz0); - int low1 = floor_log2 (nz1 & -nz1); + int low0 = ctz_or_zero (nz0); + int low1 = ctz_or_zero (nz1); unsigned HOST_WIDE_INT op0_maybe_minusp = nz0 & (HOST_WIDE_INT_1U << sign_index); unsigned HOST_WIDE_INT op1_maybe_minusp |