diff options
Diffstat (limited to 'gcc/expr.c')
| -rw-r--r-- | gcc/expr.c | 14 |
1 files changed, 11 insertions, 3 deletions
@@ -1823,7 +1823,7 @@ block_move_libcall_safe_for_call_parm (void) tree fn; /* If arguments are pushed on the stack, then they're safe. */ - if (PUSH_ARGS) + if (targetm.calls.push_argument (0)) return true; /* If registers go on the stack anyway, any argument is sure to clobber @@ -4639,11 +4639,19 @@ emit_push_insn (rtx x, machine_mode mode, tree type, rtx size, skip = (reg_parm_stack_space == 0) ? 0 : used; #ifdef PUSH_ROUNDING + /* NB: Let the backend known the number of bytes to push and + decide if push insns should be generated. */ + unsigned int push_size; + if (CONST_INT_P (size)) + push_size = INTVAL (size); + else + push_size = 0; + /* Do it with several push insns if that doesn't take lots of insns and if there is no difficulty with push insns that skip bytes on the stack for alignment purposes. */ if (args_addr == 0 - && PUSH_ARGS + && targetm.calls.push_argument (push_size) && CONST_INT_P (size) && skip == 0 && MEM_ALIGN (xinner) >= align @@ -4848,7 +4856,7 @@ emit_push_insn (rtx x, machine_mode mode, tree type, rtx size, anti_adjust_stack (gen_int_mode (extra, Pmode)); #ifdef PUSH_ROUNDING - if (args_addr == 0 && PUSH_ARGS) + if (args_addr == 0 && targetm.calls.push_argument (0)) emit_single_push_insn (mode, x, type); else #endif |