From c6dfad912afbda75fe5a36804589968bed8bd1c1 Mon Sep 17 00:00:00 2001
From: Bernhard Urban <lewurm@gmail.com>
Date: Tue, 9 Nov 2010 18:53:32 +0100
Subject: [PATCH] bench: added max.s and sum.s

---
 3_test/max.s       |  1 +
 3_test/sum.s       | 46 +---------------------------------------------
 8_benchs/src/max.s | 40 ++++++++++++++++++++++++++++++++++++++++
 8_benchs/src/sum.s | 45 +++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 87 insertions(+), 45 deletions(-)
 create mode 120000 3_test/max.s
 mode change 100644 => 120000 3_test/sum.s
 create mode 100644 8_benchs/src/max.s
 create mode 100644 8_benchs/src/sum.s

diff --git a/3_test/max.s b/3_test/max.s
new file mode 120000
index 0000000..9866627
--- /dev/null
+++ b/3_test/max.s
@@ -0,0 +1 @@
+../8_benchs/src/max.s
\ No newline at end of file
diff --git a/3_test/sum.s b/3_test/sum.s
deleted file mode 100644
index 9a571fc..0000000
--- a/3_test/sum.s
+++ /dev/null
@@ -1,45 +0,0 @@
-.text
-main:
-	ldis r2, 0x100
-
-	ldis r0, 1	
-	stw r0, 0(r2) ;1
-
-	addi r0,r0,2
-	stw r0, 4(r2) ;3
-
-	addi r0,r0,100
-	stw r0, 8(r2) ;103
-
-	addis r0,r0,-53
-	stw r0, 12(r2) ;50
-
-	addis r0,r0,-10
-	stw r0, 16(r2) ;40
-
-	ldis r1, 5
-	call sum 
-	;r0 sollte 1+3+103+50+40=197 sein
-	br dummynop
-
-sum:
-	;r1 = len
-	;r2 = arr
-	;r3 = i
-	;r0 = sum
-	;r4 arr data
-	ldis r0, 0
-	addi r3, r1, 0
-	retzs- ; check len != 0
-loop:
-	;load arr data
-	ldw r4, 0(r2)
-	;sum += arr[i];
-	add r0, r0, r4
-	addi r2, r2, 4
-	subi r3, r3, 1
-	brnz+ loop
-	ret
-
-dummynop:
-	addi r0,r0,0
diff --git a/3_test/sum.s b/3_test/sum.s
new file mode 120000
index 0000000..329a152
--- /dev/null
+++ b/3_test/sum.s
@@ -0,0 +1 @@
+../8_benchs/src/sum.s
\ No newline at end of file
diff --git a/8_benchs/src/max.s b/8_benchs/src/max.s
new file mode 100644
index 0000000..4eb2e2f
--- /dev/null
+++ b/8_benchs/src/max.s
@@ -0,0 +1,40 @@
+.data
+arr:
+	.fill 2
+	.fill 3
+	.fill 5
+	.fill 7
+	.fill 11
+	.fill 13
+	.fill 17
+	.fill 19
+	.fill 23
+	.fill 29
+	.fill 31
+	.fill 37
+	.fill 41
+	.fill 43
+	.fill 47
+	.fill 53
+
+.text
+main:
+	ldis r1, 16
+	ldil r2, arr@lo
+	ldih r2, arr@hi
+
+	call+ max
+	br+ main
+
+max:
+	; r0 = x = arr[0]
+	ldw r0, 0(r2)
+maxloop:
+	ldw r4, 4(r2)
+	cmp r0, r4
+	movlt r0, r4
+	subi r1, r1, 1
+	;cmpi r1, 1 ; nicht noetig hier, weil wegen subi ueberfluessig (?)
+	reteq-
+	addi r2, r2, 4
+	br+ maxloop
diff --git a/8_benchs/src/sum.s b/8_benchs/src/sum.s
new file mode 100644
index 0000000..9054ce4
--- /dev/null
+++ b/8_benchs/src/sum.s
@@ -0,0 +1,45 @@
+.data
+arr:
+	.fill 2
+	.fill 3
+	.fill 5
+	.fill 7
+	.fill 11
+	.fill 13
+	.fill 17
+	.fill 19
+	.fill 23
+	.fill 29
+	.fill 31
+	.fill 37
+	.fill 41
+	.fill 43
+	.fill 47
+	.fill 53
+
+.text
+main:
+	ldis r1, 16
+	ldil r2, arr@lo
+	ldih r2, arr@hi
+	call+ sum
+	br+ main
+
+sum:
+	;r1 = len
+	;r2 = arr
+	;r3 = i
+	;r0 = sum
+	;r4 arr data
+	ldis r0, 0
+	addi r3, r1, 0
+	retzs- ; check len != 0
+loop:
+	;load arr data
+	ldw r4, 0(r2)
+	;sum += arr[i];
+	add r0, r0, r4
+	addi r2, r2, 4
+	subi r3, r3, 1
+	brnz+ loop
+	ret
-- 
2.25.1