From b4dd155b23dc74ed640135782592c8b1b46b9d83 Mon Sep 17 00:00:00 2001
From: Camil Staps
Date: Mon, 5 Dec 2016 09:50:20 +0000
Subject: Fix: compute_extreme_stack_offsets really needs a register int...

---
 cgopt.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/cgopt.c b/cgopt.c
index 48f9950..977a543 100644
--- a/cgopt.c
+++ b/cgopt.c
@@ -705,7 +705,7 @@ static void optimize_b_stack_access2 (struct instruction *instruction)
 }
 #	endif
 
-static void compute_extreme_stack_offsets (int *b_offset,int *min_a_offset)
+static void compute_extreme_stack_offsets (register int b_offset,int *min_a_offset)
 {
 	struct instruction *instruction;
 	
@@ -755,9 +755,9 @@ static void compute_extreme_stack_offsets (int *b_offset,int *min_a_offset)
 				if (instruction->instruction_parameters[0].parameter_type==P_INDIRECT
 					&& instruction->instruction_parameters[0].parameter_data.reg.r==B_STACK_POINTER)
 				{
-					instruction->instruction_parameters[0].parameter_data.reg.u=*b_offset;
-					if (instruction->instruction_parameters[0].parameter_offset<*b_offset)
-						*b_offset=instruction->instruction_parameters[0].parameter_offset;
+					instruction->instruction_parameters[0].parameter_data.reg.u=b_offset;
+					if (instruction->instruction_parameters[0].parameter_offset<b_offset)
+						b_offset=instruction->instruction_parameters[0].parameter_offset;
 				}
 				else if (instruction->instruction_parameters[0].parameter_type==P_INDIRECT
 					&& instruction->instruction_parameters[0].parameter_data.reg.r==A_STACK_POINTER)
@@ -770,9 +770,9 @@ static void compute_extreme_stack_offsets (int *b_offset,int *min_a_offset)
 				if (instruction->instruction_parameters[0].parameter_type==P_INDIRECT
 					&& instruction->instruction_parameters[0].parameter_data.reg.r==B_STACK_POINTER)
 				{
-					instruction->instruction_parameters[0].parameter_data.reg.u=*b_offset;
-					if (instruction->instruction_parameters[0].parameter_offset<*b_offset)
-						*b_offset=instruction->instruction_parameters[0].parameter_offset;
+					instruction->instruction_parameters[0].parameter_data.reg.u=b_offset;
+					if (instruction->instruction_parameters[0].parameter_offset<b_offset)
+						b_offset=instruction->instruction_parameters[0].parameter_offset;
 				}
 				else if (instruction->instruction_parameters[0].parameter_type==P_INDIRECT
 					&& instruction->instruction_parameters[0].parameter_data.reg.r==A_STACK_POINTER)
@@ -783,9 +783,9 @@ static void compute_extreme_stack_offsets (int *b_offset,int *min_a_offset)
 				if (instruction->instruction_parameters[1].parameter_type==P_INDIRECT
 					&& instruction->instruction_parameters[1].parameter_data.reg.r==B_STACK_POINTER)
 				{
-					instruction->instruction_parameters[1].parameter_data.reg.u=*b_offset;
-					if (instruction->instruction_parameters[1].parameter_offset<*b_offset)
-						*b_offset=instruction->instruction_parameters[1].parameter_offset;
+					instruction->instruction_parameters[1].parameter_data.reg.u=b_offset;
+					if (instruction->instruction_parameters[1].parameter_offset<b_offset)
+						b_offset=instruction->instruction_parameters[1].parameter_offset;
 				}
 				else if (instruction->instruction_parameters[1].parameter_type==P_INDIRECT
 					&& instruction->instruction_parameters[1].parameter_data.reg.r==A_STACK_POINTER)
@@ -823,7 +823,7 @@ void optimize_stack_access (struct basic_block *block,int *a_offset_p,int *b_off
 	)
 {
 	struct instruction *instruction;
-	int min_a_offset;
+	int min_a_offset=0;
 
 # ifdef M68000	
 	a_offset=0;
-- 
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