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| author | Richard Kenner <kenner@gcc.gnu.org> | 2001-11-03 10:50:04 -0500 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 2001-11-03 10:50:04 -0500 |
| commit | 1285011e67bc94e8ed28b9711ace7445d4588254 (patch) | |
| tree | 72debaad8ba738e2cb6c88c8463e497466353307 /gcc/reload1.c | |
| parent | 343fb4120866d610c7e233f19dfcf2b3322774ca (diff) | |
| download | gcc-1285011e67bc94e8ed28b9711ace7445d4588254.zip gcc-1285011e67bc94e8ed28b9711ace7445d4588254.tar.gz gcc-1285011e67bc94e8ed28b9711ace7445d4588254.tar.bz2 | |
emit-rtl.c (set_mem_attributes): Set RTX_UNCHANGINGP_P if T is a constant expression.
* emit-rtl.c (set_mem_attributes): Set RTX_UNCHANGINGP_P if T is a
constant expression.
(set_mem_decl): New function.
* expr.h (set_mem_decl): New declaration.
* final.c (get_decl_from_op): Don't use ORIGINAL_REGNO if not pseudo.
(output_asm_operand_names): Add tab.
* reload1.c (alter_reg): Set decl of MEM from REG_DECL.
From-SVN: r46733
Diffstat (limited to 'gcc/reload1.c')
| -rw-r--r-- | gcc/reload1.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/gcc/reload1.c b/gcc/reload1.c index c5158c7..165573b 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -2043,8 +2043,17 @@ alter_reg (i, from_reg) /* If we have any adjustment to make, or if the stack slot is the wrong mode, make a new stack slot. */ - if (adjust != 0 || GET_MODE (x) != GET_MODE (regno_reg_rtx[i])) - x = adjust_address_nv (x, GET_MODE (regno_reg_rtx[i]), adjust); + x = adjust_address_nv (x, GET_MODE (regno_reg_rtx[i]), adjust); + + /* If we have a decl for the original register, set it for the + memory. If this is a shared MEM, make a copy. */ + if (REGNO_DECL (i)) + { + if (from_reg != -1 && spill_stack_slot[from_reg] == x) + x = copy_rtx (x); + + set_mem_decl (x, REGNO_DECL (i)); + } /* Save the stack slot for later. */ reg_equiv_memory_loc[i] = x; |