diff options
| author | Richard Kenner <kenner@gcc.gnu.org> | 1995-05-31 21:17:28 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1995-05-31 21:17:28 -0400 |
| commit | 02db8dd0e3f0938e080e82bae41a582b2cfc16e8 (patch) | |
| tree | cf82dbc0337cefb5b342f3cee40dd9ff268b3f26 | |
| parent | 8eae5ed6cd11fe00ce2a9c5b97fd982ebe71a781 (diff) | |
| download | gcc-02db8dd0e3f0938e080e82bae41a582b2cfc16e8.zip gcc-02db8dd0e3f0938e080e82bae41a582b2cfc16e8.tar.gz gcc-02db8dd0e3f0938e080e82bae41a582b2cfc16e8.tar.bz2 | |
(alter_reg): Clean up setting of RTX_UNCHANGING_P when making a MEM.
From-SVN: r9861
| -rw-r--r-- | gcc/reload1.c | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/gcc/reload1.c b/gcc/reload1.c index 442a946..887123e 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -2349,13 +2349,13 @@ alter_reg (i, from_reg) /* No known place to spill from => no slot to reuse. */ x = assign_stack_local (GET_MODE (regno_reg_rtx[i]), total_size, -1); if (BYTES_BIG_ENDIAN) - { - /* Cancel the big-endian correction done in assign_stack_local. - Get the address of the beginning of the slot. - This is so we can do a big-endian correction unconditionally - below. */ - adjust = inherent_size - total_size; - } + /* Cancel the big-endian correction done in assign_stack_local. + Get the address of the beginning of the slot. + This is so we can do a big-endian correction unconditionally + below. */ + adjust = inherent_size - total_size; + + RTX_UNCHANGING_P (x) = RTX_UNCHANGING_P (regno_reg_rtx[i]); } /* Reuse a stack slot if possible. */ else if (spill_stack_slot[from_reg] != 0 @@ -2389,14 +2389,10 @@ alter_reg (i, from_reg) below. */ adjust = GET_MODE_SIZE (mode) - total_size; if (adjust) - { - stack_slot = gen_rtx (MEM, mode_for_size (total_size - * BITS_PER_UNIT, - MODE_INT, 1), - plus_constant (XEXP (x, 0), adjust)); - RTX_UNCHANGING_P (stack_slot) - = RTX_UNCHANGING_P (regno_reg_rtx[i]); - } + stack_slot = gen_rtx (MEM, mode_for_size (total_size + * BITS_PER_UNIT, + MODE_INT, 1), + plus_constant (XEXP (x, 0), adjust)); } spill_stack_slot[from_reg] = stack_slot; spill_stack_slot_width[from_reg] = total_size; |