diff options
| author | Ian Lance Taylor <iant@golang.org> | 2021-09-13 10:37:49 -0700 |
|---|---|---|
| committer | Ian Lance Taylor <iant@golang.org> | 2021-09-13 10:37:49 -0700 |
| commit | e252b51ccde010cbd2a146485d8045103cd99533 (patch) | |
| tree | e060f101cdc32bf5e520de8e5275db9d4236b74c /gcc/tree-ssa-operands.c | |
| parent | f10c7c4596dda99d2ee872c995ae4aeda65adbdf (diff) | |
| parent | 104c05c5284b7822d770ee51a7d91946c7e56d50 (diff) | |
| download | gcc-e252b51ccde010cbd2a146485d8045103cd99533.zip gcc-e252b51ccde010cbd2a146485d8045103cd99533.tar.gz gcc-e252b51ccde010cbd2a146485d8045103cd99533.tar.bz2 | |
Merge from trunk revision 104c05c5284b7822d770ee51a7d91946c7e56d50.
Diffstat (limited to 'gcc/tree-ssa-operands.c')
| -rw-r--r-- | gcc/tree-ssa-operands.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/gcc/tree-ssa-operands.c b/gcc/tree-ssa-operands.c index 9e62088..ebf7eea 100644 --- a/gcc/tree-ssa-operands.c +++ b/gcc/tree-ssa-operands.c @@ -626,15 +626,10 @@ mark_address_taken (tree ref) be referenced using pointer arithmetic. See PR 21407 and the ensuing mailing list discussion. */ var = get_base_address (ref); - if (var) - { - if (DECL_P (var)) - TREE_ADDRESSABLE (var) = 1; - else if (TREE_CODE (var) == MEM_REF - && TREE_CODE (TREE_OPERAND (var, 0)) == ADDR_EXPR - && DECL_P (TREE_OPERAND (TREE_OPERAND (var, 0), 0))) - TREE_ADDRESSABLE (TREE_OPERAND (TREE_OPERAND (var, 0), 0)) = 1; - } + if (VAR_P (var) + || TREE_CODE (var) == RESULT_DECL + || TREE_CODE (var) == PARM_DECL) + TREE_ADDRESSABLE (var) = 1; } @@ -674,7 +669,9 @@ operands_scanner::get_tmr_operands(tree expr, int flags) gimple_set_has_volatile_ops (stmt, true); /* First record the real operands. */ - get_expr_operands (&TMR_BASE (expr), opf_use | (flags & opf_no_vops)); + get_expr_operands (&TMR_BASE (expr), + opf_non_addressable | opf_use + | (flags & (opf_no_vops|opf_not_non_addressable))); get_expr_operands (&TMR_INDEX (expr), opf_use | (flags & opf_no_vops)); get_expr_operands (&TMR_INDEX2 (expr), opf_use | (flags & opf_no_vops)); @@ -837,12 +834,7 @@ operands_scanner::get_expr_operands (tree *expr_p, int flags) get_expr_operands (&TREE_OPERAND (expr, 0), flags); if (code == COMPONENT_REF) - { - if (!(flags & opf_no_vops) - && TREE_THIS_VOLATILE (TREE_OPERAND (expr, 1))) - gimple_set_has_volatile_ops (stmt, true); - get_expr_operands (&TREE_OPERAND (expr, 2), uflags); - } + get_expr_operands (&TREE_OPERAND (expr, 2), uflags); else if (code == ARRAY_REF || code == ARRAY_RANGE_REF) { get_expr_operands (&TREE_OPERAND (expr, 1), uflags); |