Fix some negative offsets to A-stack pointer (decrease, load, increase)

1 files changed, 5 insertions, 8 deletions

diff --git a/cgopt.c b/cgopt.c
index 8d25d90..1cb802a 100644
--- a/cgopt.c
+++ b/cgopt.c
@@ -921,12 +921,6 @@ void optimize_stack_access (struct basic_block *block,int *a_offset_p,int *b_off
 			{
 #  ifdef THUMB2
 				int offset=instruction->instruction_parameters[1].parameter_offset+=fix_a_offset;
-				if (offset < -255)
-				{
-					insert_decrement_a_stack_pointer (instruction,-offset);
-					instruction->instruction_parameters[1].parameter_offset*=-1;
-					instruction->instruction_parameters[1].parameter_type=P_INDIRECT_WITH_UPDATE;
-				}
 #  endif
 				previous_a_stack_parameter=&instruction->instruction_parameters[1];
 				previous_a_stack_parameter_icode=IMOVE;
@@ -938,8 +932,11 @@ void optimize_stack_access (struct basic_block *block,int *a_offset_p,int *b_off
 				if (offset < -255)
 				{
 					insert_decrement_a_stack_pointer (instruction,-offset);
-					instruction->instruction_parameters[0].parameter_offset*=-1;
-					instruction->instruction_parameters[0].parameter_type=P_INDIRECT_WITH_UPDATE;
+					instruction->instruction_parameters[0].parameter_offset=0;
+					if (instruction->instruction_next)
+						insert_decrement_a_stack_pointer (instruction->instruction_next,-offset);
+					else
+						i_lea_id_r (-offset,A_STACK_POINTER,A_STACK_POINTER);
 				}
 #  endif
 				previous_a_stack_parameter=&instruction->instruction_parameters[0];