Merged! Thanks David
On 16 May (09:10:07), rongqing...@windriver.com wrote: > From: Fredrik Markström <fredrik.markst...@gmail.com> > > Accessing floats, doubles and 64 bit int at unaligned addresses is not > supported on all configurations of arm processors and if it is it's > emulated and slow. This patch replaces direct assignments with memcpy. > > Signed-off-by: Fredrik Markström <fredrik.markst...@gmail.com> > Signed-off-by: Roy Li <rongqing...@windriver.com> > Acked-by: Mathieu Desnoyers <mathieu.desnoy...@efficios.com> > --- > src/lib/lttng-ctl/filter/filter-visitor-generate-bytecode.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/src/lib/lttng-ctl/filter/filter-visitor-generate-bytecode.c > b/src/lib/lttng-ctl/filter/filter-visitor-generate-bytecode.c > index 762d604..8c6dc96 100644 > --- a/src/lib/lttng-ctl/filter/filter-visitor-generate-bytecode.c > +++ b/src/lib/lttng-ctl/filter/filter-visitor-generate-bytecode.c > @@ -222,7 +222,7 @@ int visit_node_load(struct filter_parser_ctx *ctx, struct > ir_op *node) > if (!insn) > return -ENOMEM; > insn->op = FILTER_OP_LOAD_S64; > - *(int64_t *) insn->data = node->u.load.u.num; > + memcpy(insn->data, &node->u.load.u.num, sizeof(int64_t)); > ret = bytecode_push(&ctx->bytecode, insn, 1, insn_len); > free(insn); > return ret; > @@ -237,7 +237,7 @@ int visit_node_load(struct filter_parser_ctx *ctx, struct > ir_op *node) > if (!insn) > return -ENOMEM; > insn->op = FILTER_OP_LOAD_DOUBLE; > - *(double *) insn->data = node->u.load.u.flt; > + memcpy(insn->data, &node->u.load.u.flt, sizeof(double)); > ret = bytecode_push(&ctx->bytecode, insn, 1, insn_len); > free(insn); > return ret; > -- > 1.7.10.4 >
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