diff --git a/libpixelflinger/buffer.cpp b/libpixelflinger/buffer.cpp
index cbdab5a..dcb95c5 100644
--- a/libpixelflinger/buffer.cpp
+++ b/libpixelflinger/buffer.cpp
@@ -130,7 +130,7 @@
     }
 }
 
-void readRGB565(const surface_t* s, context_t* c,
+void readRGB565(const surface_t* s, context_t* /*c*/,
         uint32_t x, uint32_t y, pixel_t* pixel)
 {
     uint16_t v = *(reinterpret_cast<uint16_t*>(s->data) + (x + (s->stride * y)));
@@ -144,7 +144,7 @@
     pixel->s[3] = 5;
 }
 
-void readABGR8888(const surface_t* s, context_t* c,
+void readABGR8888(const surface_t* s, context_t* /*c*/,
         uint32_t x, uint32_t y, pixel_t* pixel)
 {
     uint32_t v = *(reinterpret_cast<uint32_t*>(s->data) + (x + (s->stride * y)));
diff --git a/libpixelflinger/codeflinger/Arm64Assembler.cpp b/libpixelflinger/codeflinger/Arm64Assembler.cpp
index f37072a..bd11818 100644
--- a/libpixelflinger/codeflinger/Arm64Assembler.cpp
+++ b/libpixelflinger/codeflinger/Arm64Assembler.cpp
@@ -273,7 +273,7 @@
     *mPC++ = (0x54 << 24) | cc;
 }
 
-void ArmToArm64Assembler::BL(int cc, const char* label)
+void ArmToArm64Assembler::BL(int /*cc*/, const char* /*label*/)
 {
     NOT_IMPLEMENTED(); //Not Required
 }
@@ -289,7 +289,7 @@
     *mPC++ = A64_MOVZ_X(mZeroReg,0,0);
 }
 
-void ArmToArm64Assembler::epilog(uint32_t touched)
+void ArmToArm64Assembler::epilog(uint32_t /*touched*/)
 {
     // write epilog code
     static const int XLR = 30;
@@ -530,23 +530,23 @@
     if(s  != 0) { NOT_IMPLEMENTED(); return;} //Not required
     *mPC++ = A64_MADD_W(Rd, Rm, Rs, mZeroReg);
 }
-void ArmToArm64Assembler::UMULL(int cc, int s,
-        int RdLo, int RdHi, int Rm, int Rs)
+void ArmToArm64Assembler::UMULL(int /*cc*/, int /*s*/,
+        int /*RdLo*/, int /*RdHi*/, int /*Rm*/, int /*Rs*/)
 {
     NOT_IMPLEMENTED(); //Not required
 }
-void ArmToArm64Assembler::UMUAL(int cc, int s,
-        int RdLo, int RdHi, int Rm, int Rs)
+void ArmToArm64Assembler::UMUAL(int /*cc*/, int /*s*/,
+        int /*RdLo*/, int /*RdHi*/, int /*Rm*/, int /*Rs*/)
 {
     NOT_IMPLEMENTED(); //Not required
 }
-void ArmToArm64Assembler::SMULL(int cc, int s,
-        int RdLo, int RdHi, int Rm, int Rs)
+void ArmToArm64Assembler::SMULL(int /*cc*/, int /*s*/,
+        int /*RdLo*/, int /*RdHi*/, int /*Rm*/, int /*Rs*/)
 {
     NOT_IMPLEMENTED(); //Not required
 }
-void ArmToArm64Assembler::SMUAL(int cc, int s,
-        int RdLo, int RdHi, int Rm, int Rs)
+void ArmToArm64Assembler::SMUAL(int /*cc*/, int /*s*/,
+        int /*RdLo*/, int /*RdHi*/, int /*Rm*/, int /*Rs*/)
 {
     NOT_IMPLEMENTED(); //Not required
 }
@@ -554,15 +554,15 @@
 // ----------------------------------------------------------------------------
 // branches relative to PC...
 // ----------------------------------------------------------------------------
-void ArmToArm64Assembler::B(int cc, uint32_t* pc){
+void ArmToArm64Assembler::B(int /*cc*/, uint32_t* /*pc*/){
     NOT_IMPLEMENTED(); //Not required
 }
 
-void ArmToArm64Assembler::BL(int cc, uint32_t* pc){
+void ArmToArm64Assembler::BL(int /*cc*/, uint32_t* /*pc*/){
     NOT_IMPLEMENTED(); //Not required
 }
 
-void ArmToArm64Assembler::BX(int cc, int Rn){
+void ArmToArm64Assembler::BX(int /*cc*/, int /*Rn*/){
     NOT_IMPLEMENTED(); //Not required
 }
 
@@ -661,11 +661,11 @@
 {
     return dataTransfer(opLDRH, cc, Rd, Rn, op_type);
 }
-void ArmToArm64Assembler::LDRSB(int cc, int Rd, int Rn, uint32_t offset)
+void ArmToArm64Assembler::LDRSB(int /*cc*/, int /*Rd*/, int /*Rn*/, uint32_t /*offset*/)
 {
     NOT_IMPLEMENTED(); //Not required
 }
-void ArmToArm64Assembler::LDRSH(int cc, int Rd, int Rn, uint32_t offset)
+void ArmToArm64Assembler::LDRSH(int /*cc*/, int /*Rd*/, int /*Rn*/, uint32_t /*offset*/)
 {
     NOT_IMPLEMENTED(); //Not required
 }
@@ -723,15 +723,15 @@
 // ----------------------------------------------------------------------------
 // special...
 // ----------------------------------------------------------------------------
-void ArmToArm64Assembler::SWP(int cc, int Rn, int Rd, int Rm)
+void ArmToArm64Assembler::SWP(int /*cc*/, int /*Rn*/, int /*Rd*/, int /*Rm*/)
 {
     NOT_IMPLEMENTED(); //Not required
 }
-void ArmToArm64Assembler::SWPB(int cc, int Rn, int Rd, int Rm)
+void ArmToArm64Assembler::SWPB(int /*cc*/, int /*Rn*/, int /*Rd*/, int /*Rm*/)
 {
     NOT_IMPLEMENTED(); //Not required
 }
-void ArmToArm64Assembler::SWI(int cc, uint32_t comment)
+void ArmToArm64Assembler::SWI(int /*cc*/, uint32_t /*comment*/)
 {
     NOT_IMPLEMENTED(); //Not required
 }
@@ -739,31 +739,31 @@
 // ----------------------------------------------------------------------------
 // DSP instructions...
 // ----------------------------------------------------------------------------
-void ArmToArm64Assembler::PLD(int Rn, uint32_t offset) {
+void ArmToArm64Assembler::PLD(int /*Rn*/, uint32_t /*offset*/) {
     NOT_IMPLEMENTED(); //Not required
 }
 
-void ArmToArm64Assembler::CLZ(int cc, int Rd, int Rm)
+void ArmToArm64Assembler::CLZ(int /*cc*/, int /*Rd*/, int /*Rm*/)
 {
     NOT_IMPLEMENTED(); //Not required
 }
 
-void ArmToArm64Assembler::QADD(int cc,  int Rd, int Rm, int Rn)
+void ArmToArm64Assembler::QADD(int /*cc*/, int /*Rd*/, int /*Rm*/, int /*Rn*/)
 {
     NOT_IMPLEMENTED(); //Not required
 }
 
-void ArmToArm64Assembler::QDADD(int cc,  int Rd, int Rm, int Rn)
+void ArmToArm64Assembler::QDADD(int /*cc*/, int /*Rd*/, int /*Rm*/, int /*Rn*/)
 {
     NOT_IMPLEMENTED(); //Not required
 }
 
-void ArmToArm64Assembler::QSUB(int cc,  int Rd, int Rm, int Rn)
+void ArmToArm64Assembler::QSUB(int /*cc*/, int /*Rd*/, int /*Rm*/, int /*Rn*/)
 {
     NOT_IMPLEMENTED(); //Not required
 }
 
-void ArmToArm64Assembler::QDSUB(int cc,  int Rd, int Rm, int Rn)
+void ArmToArm64Assembler::QDSUB(int /*cc*/, int /*Rd*/, int /*Rm*/, int /*Rn*/)
 {
     NOT_IMPLEMENTED(); //Not required
 }
@@ -817,15 +817,15 @@
     *mPC++ = A64_MADD_W(Rd, mTmpReg1, mTmpReg2, Rn);
 }
 
-void ArmToArm64Assembler::SMLAL(int cc, int xy,
-                int RdHi, int RdLo, int Rs, int Rm)
+void ArmToArm64Assembler::SMLAL(int /*cc*/, int /*xy*/,
+                int /*RdHi*/, int /*RdLo*/, int /*Rs*/, int /*Rm*/)
 {
     NOT_IMPLEMENTED(); //Not required
     return;
 }
 
-void ArmToArm64Assembler::SMLAW(int cc, int y,
-                int Rd, int Rm, int Rs, int Rn)
+void ArmToArm64Assembler::SMLAW(int /*cc*/, int /*y*/,
+                int /*Rd*/, int /*Rm*/, int /*Rs*/, int /*Rn*/)
 {
     NOT_IMPLEMENTED(); //Not required
     return;
@@ -890,13 +890,13 @@
     return OPERAND_REG_IMM;
 }
 
-uint32_t ArmToArm64Assembler::reg_rrx(int Rm)
+uint32_t ArmToArm64Assembler::reg_rrx(int /*Rm*/)
 {
     NOT_IMPLEMENTED();
     return OPERAND_UNSUPPORTED;
 }
 
-uint32_t ArmToArm64Assembler::reg_reg(int Rm, int type, int Rs)
+uint32_t ArmToArm64Assembler::reg_reg(int /*Rm*/, int /*type*/, int /*Rs*/)
 {
     NOT_IMPLEMENTED(); //Not required
     return OPERAND_UNSUPPORTED;
@@ -937,7 +937,7 @@
     }
 }
 
-uint32_t ArmToArm64Assembler::reg_scale_post(int Rm, int type, uint32_t shift)
+uint32_t ArmToArm64Assembler::reg_scale_post(int /*Rm*/, int /*type*/, uint32_t /*shift*/)
 {
     NOT_IMPLEMENTED(); //Not required
     return OPERAND_UNSUPPORTED;
@@ -975,7 +975,7 @@
     }
 }
 
-uint32_t ArmToArm64Assembler::reg_post(int Rm)
+uint32_t ArmToArm64Assembler::reg_post(int /*Rm*/)
 {
     NOT_IMPLEMENTED(); //Not required
     return OPERAND_UNSUPPORTED;
diff --git a/libpixelflinger/codeflinger/GGLAssembler.cpp b/libpixelflinger/codeflinger/GGLAssembler.cpp
index 2422d7b..325caba 100644
--- a/libpixelflinger/codeflinger/GGLAssembler.cpp
+++ b/libpixelflinger/codeflinger/GGLAssembler.cpp
@@ -694,7 +694,7 @@
 // ---------------------------------------------------------------------------
 
 void GGLAssembler::build_alpha_test(component_t& fragment,
-                                    const fragment_parts_t& parts)
+                                    const fragment_parts_t& /*parts*/)
 {
     if (mAlphaTest != GGL_ALWAYS) {
         comment("Alpha Test");
@@ -796,7 +796,7 @@
     }
 }
 
-void GGLAssembler::build_iterate_f(const fragment_parts_t& parts)
+void GGLAssembler::build_iterate_f(const fragment_parts_t& /*parts*/)
 {
     const needs_t& needs = mBuilderContext.needs;
     if (GGL_READ_NEEDS(P_FOG, needs.p)) {
diff --git a/libpixelflinger/codeflinger/texturing.cpp b/libpixelflinger/codeflinger/texturing.cpp
index b2cfbb3..81950bf 100644
--- a/libpixelflinger/codeflinger/texturing.cpp
+++ b/libpixelflinger/codeflinger/texturing.cpp
@@ -694,7 +694,7 @@
 }
 
 void GGLAssembler::filter8(
-        const fragment_parts_t& parts,
+        const fragment_parts_t& /*parts*/,
         pixel_t& texel, const texture_unit_t& tmu,
         int U, int V, pointer_t& txPtr,
         int FRAC_BITS)
@@ -761,7 +761,7 @@
 }
 
 void GGLAssembler::filter16(
-        const fragment_parts_t& parts,
+        const fragment_parts_t& /*parts*/,
         pixel_t& texel, const texture_unit_t& tmu,
         int U, int V, pointer_t& txPtr,
         int FRAC_BITS)
@@ -879,10 +879,10 @@
 }
 
 void GGLAssembler::filter24(
-        const fragment_parts_t& parts,
-        pixel_t& texel, const texture_unit_t& tmu,
-        int U, int V, pointer_t& txPtr,
-        int FRAC_BITS)
+        const fragment_parts_t& /*parts*/,
+        pixel_t& texel, const texture_unit_t& /*tmu*/,
+        int /*U*/, int /*V*/, pointer_t& txPtr,
+        int /*FRAC_BITS*/)
 {
     // not supported yet (currently disabled)
     load(txPtr, texel, 0);
@@ -989,8 +989,8 @@
 }
 #else
 void GGLAssembler::filter32(
-        const fragment_parts_t& parts,
-        pixel_t& texel, const texture_unit_t& tmu,
+        const fragment_parts_t& /*parts*/,
+        pixel_t& texel, const texture_unit_t& /*tmu*/,
         int U, int V, pointer_t& txPtr,
         int FRAC_BITS)
 {
diff --git a/libpixelflinger/picker.cpp b/libpixelflinger/picker.cpp
index 030ef19..aa55229 100644
--- a/libpixelflinger/picker.cpp
+++ b/libpixelflinger/picker.cpp
@@ -26,7 +26,7 @@
 
 // ----------------------------------------------------------------------------
 
-void ggl_init_picker(context_t* c)
+void ggl_init_picker(context_t* /*c*/)
 {
 }
 
diff --git a/libpixelflinger/pixelflinger.cpp b/libpixelflinger/pixelflinger.cpp
index 84e584e..ea5bc8e 100644
--- a/libpixelflinger/pixelflinger.cpp
+++ b/libpixelflinger/pixelflinger.cpp
@@ -662,7 +662,7 @@
     }
 }
 
-void ggl_enable_stencil_test(context_t* c, int enable)
+void ggl_enable_stencil_test(context_t* /*c*/, int /*enable*/)
 {
 }
 
diff --git a/libpixelflinger/raster.cpp b/libpixelflinger/raster.cpp
index 32b2a97..26d8e45 100644
--- a/libpixelflinger/raster.cpp
+++ b/libpixelflinger/raster.cpp
@@ -51,7 +51,7 @@
 }
 
 void ggl_copyPixels(void* con, GGLint xs, GGLint ys,
-        GGLsizei width, GGLsizei height, GGLenum type)
+        GGLsizei width, GGLsizei height, GGLenum /*type*/)
 {
     GGL_CONTEXT(c, con);
 
diff --git a/libpixelflinger/scanline.cpp b/libpixelflinger/scanline.cpp
index aa23ca6..cd78713 100644
--- a/libpixelflinger/scanline.cpp
+++ b/libpixelflinger/scanline.cpp
@@ -534,7 +534,7 @@
     return x;
 }
 
-void blend_factor(context_t* c, pixel_t* r, 
+void blend_factor(context_t* /*c*/, pixel_t* r, 
         uint32_t factor, const pixel_t* src, const pixel_t* dst)
 {
     switch (factor) {
@@ -1161,7 +1161,7 @@
  *   blender.blend(<32-bit-src-pixel-value>,<ptr-to-16-bit-dest-pixel>)
  */
 struct blender_32to16 {
-    blender_32to16(context_t* c) { }
+    blender_32to16(context_t* /*c*/) { }
     void write(uint32_t s, uint16_t* dst) {
         if (s == 0)
             return;
@@ -1218,7 +1218,7 @@
  * where dstFactor=srcA*(1-srcA) srcFactor=srcA
  */
 struct blender_32to16_srcA {
-    blender_32to16_srcA(const context_t* c) { }
+    blender_32to16_srcA(const context_t* /*c*/) { }
     void write(uint32_t s, uint16_t* dst) {
         if (!s) {
             return;
@@ -2317,7 +2317,7 @@
     memset(dst, 0xFF, size);
 }
 
-void scanline_noop(context_t* c)
+void scanline_noop(context_t* /*c*/)
 {
 }
 
diff --git a/libpixelflinger/tests/gglmul/gglmul_test.cpp b/libpixelflinger/tests/gglmul/gglmul_test.cpp
index 073368e..5d460d6 100644
--- a/libpixelflinger/tests/gglmul/gglmul_test.cpp
+++ b/libpixelflinger/tests/gglmul/gglmul_test.cpp
@@ -28,6 +28,7 @@
 
 #include <stdio.h>
 #include <stdint.h>
+#include <inttypes.h>
 
 #include "private/pixelflinger/ggl_fixed.h"
 
@@ -260,12 +261,12 @@
         if(actual == expected)
             printf(" Passed\n");
         else
-            printf(" Failed Actual(%ld) Expected(%ld)\n",
+            printf(" Failed Actual(%" PRId64 ") Expected(%" PRId64 ")\n",
                     actual, expected);
     }
 }
 
-int main(int argc, char** argv)
+int main(int /*argc*/, char** /*argv*/)
 {
     gglClampx_test();
     gglClz_test();