amd64: small changes w.r.t. stack alignment.

[r27668]

diff --git a/ir/be/amd64/amd64_emitter.c b/ir/be/amd64/amd64_emitter.c
index 4a48d3e..31f42bc 100644 (file)
--- a/ir/be/amd64/amd64_emitter.c
+++ b/ir/be/amd64/amd64_emitter.c
@@ -355,9 +355,9 @@ static void emit_be_Copy(const ir_node *irn)
                panic("emit_be_Copy: move not supported for FP");
        } else if (mode_is_data(mode)) {
                be_emit_cstring("\tmov ");
-               amd64_emit_dest_register(irn, 0);
-               be_emit_cstring(", ");
                amd64_emit_source_register(irn, 0);
+               be_emit_cstring(", ");
+               amd64_emit_dest_register(irn, 0);
                be_emit_finish_line_gas(irn);
        } else {
                panic("emit_be_Copy: move not supported for this mode");

diff --git a/ir/be/amd64/bearch_amd64.c b/ir/be/amd64/bearch_amd64.c
index 5783ea3..d50fb42 100644 (file)
--- a/ir/be/amd64/bearch_amd64.c
+++ b/ir/be/amd64/bearch_amd64.c
@@ -235,7 +235,7 @@ static amd64_isa_t amd64_isa_template = {
                &amd64_gp_regs[REG_RBP],  /* base pointer register */
                &amd64_reg_classes[CLASS_amd64_gp],  /* link pointer register class */
                -1,                          /* stack direction */
-               2,                           /* power of two stack alignment for calls, 2^2 == 4 */
+               3,                           /* power of two stack alignment for calls, 2^2 == 4 */
                NULL,                        /* main environment */
                7,                           /* costs for a spill instruction */
                5,                           /* costs for a reload instruction */
@@ -436,7 +436,7 @@ static void amd64_get_call_abi(const void *self, ir_type *method_type,
 
        /* set abi flags for calls */
        call_flags.bits.left_to_right         = 0;
-       call_flags.bits.store_args_sequential = 1;
+       call_flags.bits.store_args_sequential = 0;
        call_flags.bits.try_omit_fp           = 1;
        call_flags.bits.fp_free               = 0;
        call_flags.bits.call_has_imm          = 1;
@@ -456,7 +456,7 @@ static void amd64_get_call_abi(const void *self, ir_type *method_type,
                /* default: all parameters on stack */
                } else {
                        no_reg = 1;
-                       be_abi_call_param_stack(abi, i, mode, 4, 0, 0, ABI_CONTEXT_BOTH);
+                       be_abi_call_param_stack(abi, i, mode, 8, 0, 0, ABI_CONTEXT_BOTH);
                }
        }
 
@@ -542,7 +542,7 @@ static const backend_params *amd64_get_backend_params(void) {
                0,     /* no trampoline support: size 0 */
                0,     /* no trampoline support: align 0 */
                NULL,  /* no trampoline support: no trampoline builder */
-               4      /* alignment of stack parameter: typically 4 (32bit) or 8 (64bit) */
+               8      /* alignment of stack parameter: typically 4 (32bit) or 8 (64bit) */
        };
        return &p;
 }