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| author | Walter Lee <walt@tilera.com> | 2013-03-27 06:18:49 +0000 |
|---|---|---|
| committer | Walter Lee <walt@gcc.gnu.org> | 2013-03-27 06:18:49 +0000 |
| commit | 0a514f47b835740bc283e61541883a2793d4af1f (patch) | |
| tree | e17b7f516a2fdcbd6562e1e3f5e4c4e6c6fb2f31 | |
| parent | 9332b0d294bb48fa556aebc6c3eba1841f848b8a (diff) | |
| download | gcc-0a514f47b835740bc283e61541883a2793d4af1f.zip gcc-0a514f47b835740bc283e61541883a2793d4af1f.tar.gz gcc-0a514f47b835740bc283e61541883a2793d4af1f.tar.bz2 | |
tilegx.c (tilegx_expand_prologue): Avoid double-decrement of next_scratch_regno.
* config/tilegx/tilegx.c (tilegx_expand_prologue): Avoid
double-decrement of next_scratch_regno.
From-SVN: r197139
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/tilegx/tilegx.c | 9 |
2 files changed, 9 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 919d3d72..519cce0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2013-03-27 Walter Lee <walt@tilera.com> + * config/tilegx/tilegx.c (tilegx_expand_prologue): Avoid + double-decrement of next_scratch_regno. + +2013-03-27 Walter Lee <walt@tilera.com> + * config/tilegx/tilegx.md (insn_v1mulu): Fix constraints on input operands. (insn_v1mulus): Ditto. diff --git a/gcc/config/tilegx/tilegx.c b/gcc/config/tilegx/tilegx.c index 9f2aad5..beb1012 100644 --- a/gcc/config/tilegx/tilegx.c +++ b/gcc/config/tilegx/tilegx.c @@ -3999,11 +3999,10 @@ tilegx_expand_prologue (void) if (r == NULL_RTX) { - rtx p = compute_frame_addr (offset, &next_scratch_regno); - r = gen_rtx_REG (Pmode, next_scratch_regno--); - reg_save_addr[which_scratch] = r; - - emit_insn (gen_rtx_SET (VOIDmode, r, p)); + int prev_scratch_regno = next_scratch_regno; + r = compute_frame_addr (offset, &next_scratch_regno); + if (prev_scratch_regno != next_scratch_regno) + reg_save_addr[which_scratch] = r; } else { |