From a2a85fd10b7c32f69816bbc43b9e267fc9825385 Mon Sep 17 00:00:00 2001
From: Brendan Haines <brendan.haines@gmail.com>
Date: Sat, 14 Nov 2020 23:48:08 -0700
Subject: [PATCH] add test for immediate offsets for lw instruction

---
 test/test.S | 59 +++++++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 48 insertions(+), 11 deletions(-)

diff --git a/test/test.S b/test/test.S
index 51e68ff..2af6478 100644
--- a/test/test.S
+++ b/test/test.S
@@ -146,16 +146,18 @@ test1:
     addi    x9, x8, 0           # x9  = 0xffffff00
     bne     x0, x0, fail        # 0 == 0
     bne     x9, x8, fail        # x9 == x8
-    bne     x7, x8, test2       # x7 != x8
+    bne     x7, x8, test1_done  # x7 != x8
     j       fail
+test1_done:
 
 test2:
     # beq
     addi    x30, x0, 2          # x30 = 2
     beq     x0, x8, fail        # 0 != x8
     beq     x7, x8, fail        # x7 != x8
-    beq     x8, x9, test3       # x8 == x9
+    beq     x8, x9, test2_done  # x8 == x9
     j       fail
+test2_done:
 
 test3:
     # blt
@@ -163,50 +165,57 @@ test3:
     blt     x8, x9, fail        # x8 == x9
     blt     x7, x8, fail        # x7 > x8
     blt     x30, x8, fail       # x30 > x8
-    blt     x8, x7, test4       # x8 < x7
+    blt     x8, x7, test3_done  # x8 < x7
     j       fail
+test3_done:
 
 test4:
     # bltu
     addi    x30, x0, 4          # x30 = 4
     bltu    x8, x9, fail        # x8 == x9
     bltu    x7, x8, fail        # x7 > x8
-    bltu    x30, x8, test5      # x30 < x8 unsigned
+    bltu    x30, x8, test4_done # x30 < x8 unsigned
     j       fail
+test4_done:
 
 test5:
     addi    x30, x0, 5          # x30 = 5
-    bltu    x8, x7, test6        # x8 < x7
+    bltu    x8, x7, test5_done  # x8 < x7
     j       fail
+test5_done:
 
 test6:
     # bne
     addi    x30, x0, 6          # x30 = 6
     bne     x0, x0, fail        # 0 == 0
     bne     x8, x9, fail        # 0 == 0
-    bne     x8, x0, test7       # x8 != 0
+    bne     x8, x0, test6_done  # x8 != 0
     j       fail
+test6_done:
 
 test7:
     # bge
     addi    x30, x0, 7          # x30 = 7
     bge     x8, x7, fail        # x8 < x7
-    bge     x7, x7, test8       # x7 == x7
+    bge     x7, x7, test7_done  # x7 == x7
     j       fail
+test7_done:
 
 test8:
     addi    x30, x0, 8          # x30 = 8
     bge     x8, x0, fail        # x8 < 0
-    bge     x7, x8, test9       # x7 > x8
+    bge     x7, x8, test8_done  # x7 > x8
     j       fail
+test8_done:
 
 test9:
     # bgeu
     addi    x30, x0, 9          # x30 = 9
     bgeu    x8, x7, fail        # x8 < x7
     bgeu    x0, x8, fail        # 0 < x8 unsigned
-    bgeu    x8, x0, test10      # x8 > 0 unsigned
+    bgeu    x8, x0, test9_done  # x8 > 0 unsigned
     j       fail
+test9_done:
 
 test10:
     addi    x30, x0, 10          # x30 = 10
@@ -238,6 +247,8 @@ test10:
     nop
     nop
     nop
+    bne     x12, x10, fail
+test10_done:
 
 test11:
     addi    x30, x0, 11         # x30 = 11
@@ -249,7 +260,7 @@ test11_loop:
     nop
     nop
     nop
-    sw      x10, 0(x9)          # someint = 0x12345678
+    sw      x10, 0(x9)
     addi    x10, x10, 1         # x10 = x10 + 1
     addi    x9, x9, 4           # x9  = x9 + 4
     addi    x5, x5, 1           # x5  = x5 + 1
@@ -268,13 +279,39 @@ test12_loop:
     nop
     nop
     nop
-    lw      x11, 0(x9)          # someint = 0x12345678
+    lw      x11, 0(x9)
     bne     x11, x10, fail
     bgt     x5, x0, test12_loop
 test12_done:
 
+test13:
+    addi    x30, x0, 13         # x30 = 13
+    addi    x8, x9, 4
+    addi    x12, x10, 1
+    lw      x11, 4(x9)
+    bne     x11, x12, fail
+    addi    x8, x9, 8
+    addi    x12, x10, 2
+    lw      x11, 8(x9)
+    bne     x11, x12, fail
+    addi    x8, x9, 0xc
+    addi    x12, x10, 3
+    lw      x11, 0xc(x9)
+    bne     x11, x12, fail
+    addi    x8, x9, 0x10
+    addi    x12, x10, 4
+    lw      x11, 0x10(x9)
+    bne     x11, x12, fail
+    addi    x8, x9, 0x14
+    addi    x12, x10, 5
+    lw      x11, 0x14(x9)
+    bne     x11, x12, fail
+test13_done:
+
 
 done:
+    lui     x30, 0x10101        # x30 = 0x10101000
+    addi    x30, x30, 0x010     # x30 = 0x10101010
 
     # set registers to known values before loop
     addi     x2, x0, 1         # x1 = 1