[arm] Avoid storing fp arguments below the stack pointer if the param area has size...

diff --git a/mono/mini/mini-arm.c b/mono/mini/mini-arm.c
index 66fd8c083b302ec723f148e1f7130b0a1104c9dc..a85047f3873a62ed1c107d74e184b3b21bf867d1 100644 (file)
--- a/mono/mini/mini-arm.c
+++ b/mono/mini/mini-arm.c
@@ -2375,6 +2375,7 @@ mono_arch_emit_call (MonoCompile *cfg, MonoCallInst *call)
                                        } else {
                                                int creg;
 
+                                               cfg->param_area = MAX (cfg->param_area, 8);
                                                MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORER4_MEMBASE_REG, ARMREG_SP, (cfg->param_area - 8), in->dreg);
                                                creg = mono_alloc_ireg (cfg);
                                                MONO_EMIT_NEW_LOAD_MEMBASE_OP (cfg, OP_LOAD_MEMBASE, creg, ARMREG_SP, (cfg->param_area - 8));
@@ -2396,6 +2397,7 @@ mono_arch_emit_call (MonoCompile *cfg, MonoCallInst *call)
                                        } else {
                                                int creg;
 
+                                               cfg->param_area = MAX (cfg->param_area, 8);
                                                MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORER8_MEMBASE_REG, ARMREG_SP, (cfg->param_area - 8), in->dreg);
                                                creg = mono_alloc_ireg (cfg);
                                                MONO_EMIT_NEW_LOAD_MEMBASE_OP (cfg, OP_LOAD_MEMBASE, creg, ARMREG_SP, (cfg->param_area - 8));
@@ -2467,6 +2469,7 @@ mono_arch_emit_call (MonoCompile *cfg, MonoCallInst *call)
 
                                /* This should work for soft-float as well */
 
+                               cfg->param_area = MAX (cfg->param_area, 8);
                                MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORER8_MEMBASE_REG, ARMREG_SP, (cfg->param_area - 8), in->dreg);
                                creg = mono_alloc_ireg (cfg);
                                mono_call_inst_add_outarg_reg (cfg, call, creg, ARMREG_R3, FALSE);