Initial Contribution
diff --git a/opengl/libagl/iterators.S b/opengl/libagl/iterators.S
new file mode 100644
index 0000000..daf2937
--- /dev/null
+++ b/opengl/libagl/iterators.S
@@ -0,0 +1,88 @@
+/* libs/opengles/iterators.S
+**
+** Copyright 2006, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+
+ .text
+ .align
+ .arm
+
+ .global iterators0032
+
+/*
+ * iterators0032
+ *
+ * MUST BE CALLED FROM ARM CODE
+ *
+ * r0: const compute_iterators_t* (this)
+ * r0 + 0: m_dx01
+ * r0 + 4: m_dy10
+ * r0 + 8: m_dx20
+ * r0 +12: m_dy02
+ * r0 +16: m_x0
+ * r0 +20: m_y0
+ * r0 +24: m_area
+ * r0 +28: m_scale
+ * r0 +29: m_area_scale;
+ * r1: int32_t* (out)
+ * r1 + 0: c
+ * r1 + 4: dcdx
+ * r1 + 8: dcdy
+ * r2: c0
+ * r3: c1
+ * [sp]: c2
+ */
+
+iterators0032:
+ stmfd sp!, {r4, r5, r6, r7, r8, lr}
+ ldr r4, [sp, #4*6]
+
+ ldrb r12, [r0, #29]
+ sub r3, r3, r2
+ sub r4, r4, r2
+ sub r12, r12, #16
+ mov r3, r3, asr r12
+ mov r4, r4, asr r12
+
+ ldr r5, [r0, #0]
+ ldr r12, [r0, #4]
+ smull r8, lr, r4, r5
+ ldr r5, [r0, #8]
+ smull r6, r7, r4, r12
+ ldr r12, [r0, #12]
+ smlal r8, lr, r3, r5
+ smlal r6, r7, r3, r12
+
+ ldr r3, [r0, #16] // m_x0
+ ldr r4, [r0, #20] // m_x1
+
+ str r6, [r1, #4]
+ str r8, [r1, #8]
+
+ umull r6, r5, r3, r6
+ umull r8, r0, r4, r8
+ mla r7, r3, r7, r5
+ mla lr, r4, lr, r0
+ adds r6, r6, r8
+ adc r7, r7, lr
+
+ movs r6, r6, lsr #4
+ adc r6, r6, r7, lsl #28
+ rsb r6, r6, r2, lsl #16
+ str r6, [r1, #0]
+
+ ldmfd sp!, {r4, r5, r6, r7, r8, pc}
+