i965: Move is_zero/one/null/accumulator into backend_reg.

Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>

src/mesa/drivers/dri/i965/brw_fs.cpp

@@ -479,48 +479,12 @@ fs_reg::is_contiguous() const
    return stride == 1;
 }
 
-bool
-fs_reg::is_zero() const
-{
-   if (file != IMM)
-      return false;
-
-   return fixed_hw_reg.dw1.d == 0;
-}
-
-bool
-fs_reg::is_one() const
-{
-   if (file != IMM)
-      return false;
-
-   return type == BRW_REGISTER_TYPE_F
-          ? fixed_hw_reg.dw1.f == 1.0
-          : fixed_hw_reg.dw1.d == 1;
-}
-
-bool
-fs_reg::is_null() const
-{
-   return file == HW_REG &&
-          fixed_hw_reg.file == BRW_ARCHITECTURE_REGISTER_FILE &&
-          fixed_hw_reg.nr == BRW_ARF_NULL;
-}
-
 bool
 fs_reg::is_valid_3src() const
 {
    return file == GRF || file == UNIFORM;
 }
 
-bool
-fs_reg::is_accumulator() const
-{
-   return file == HW_REG &&
-          fixed_hw_reg.file == BRW_ARCHITECTURE_REGISTER_FILE &&
-          fixed_hw_reg.nr == BRW_ARF_ACCUMULATOR;
-}
-
 int
 fs_visitor::type_size(const struct glsl_type *type)
 {

src/mesa/drivers/dri/i965/brw_fs.h

@@ -79,12 +79,8 @@ public:
    fs_reg(class fs_visitor *v, const struct glsl_type *type);
 
    bool equals(const fs_reg &r) const;
-   bool is_zero() const;
-   bool is_one() const;
-   bool is_null() const;
    bool is_valid_3src() const;
    bool is_contiguous() const;
-   bool is_accumulator() const;
 
    fs_reg &apply_stride(unsigned stride);
    /** Smear a channel of the reg to all channels. */

src/mesa/drivers/dri/i965/brw_shader.cpp

@@ -553,6 +553,43 @@ backend_visitor::backend_visitor(struct brw_context *brw,
 {
 }
 
+bool
+backend_reg::is_zero() const
+{
+   if (file != IMM)
+      return false;
+
+   return fixed_hw_reg.dw1.d == 0;
+}
+
+bool
+backend_reg::is_one() const
+{
+   if (file != IMM)
+      return false;
+
+   return type == BRW_REGISTER_TYPE_F
+          ? fixed_hw_reg.dw1.f == 1.0
+          : fixed_hw_reg.dw1.d == 1;
+}
+
+bool
+backend_reg::is_null() const
+{
+   return file == HW_REG &&
+          fixed_hw_reg.file == BRW_ARCHITECTURE_REGISTER_FILE &&
+          fixed_hw_reg.nr == BRW_ARF_NULL;
+}
+
+
+bool
+backend_reg::is_accumulator() const
+{
+   return file == HW_REG &&
+          fixed_hw_reg.file == BRW_ARCHITECTURE_REGISTER_FILE &&
+          fixed_hw_reg.nr == BRW_ARF_ACCUMULATOR;
+}
+
 bool
 backend_instruction::is_tex() const
 {

src/mesa/drivers/dri/i965/brw_shader.h

@@ -42,6 +42,13 @@ enum PACKED register_file {
 
 struct backend_reg
 {
+#ifdef __cplusplus
+   bool is_zero() const;
+   bool is_one() const;
+   bool is_null() const;
+   bool is_accumulator() const;
+#endif
+
    enum register_file file; /**< Register file: GRF, MRF, IMM. */
    uint8_t type;            /**< Register type: BRW_REGISTER_TYPE_* */
 

src/mesa/drivers/dri/i965/brw_vec4.cpp

@@ -151,15 +151,6 @@ src_reg::src_reg(dst_reg reg)
                                 swizzles[2], swizzles[3]);
 }
 
-bool
-src_reg::is_accumulator() const
-{
-   return file == HW_REG &&
-          fixed_hw_reg.file == BRW_ARCHITECTURE_REGISTER_FILE &&
-          fixed_hw_reg.nr == BRW_ARF_ACCUMULATOR;
-}
-
-
 void
 dst_reg::init()
 {
@@ -221,22 +212,6 @@ dst_reg::dst_reg(src_reg reg)
    this->fixed_hw_reg = reg.fixed_hw_reg;
 }
 
-bool
-dst_reg::is_null() const
-{
-   return file == HW_REG &&
-          fixed_hw_reg.file == BRW_ARCHITECTURE_REGISTER_FILE &&
-          fixed_hw_reg.nr == BRW_ARF_NULL;
-}
-
-bool
-dst_reg::is_accumulator() const
-{
-   return file == HW_REG &&
-          fixed_hw_reg.file == BRW_ARCHITECTURE_REGISTER_FILE &&
-          fixed_hw_reg.nr == BRW_ARF_ACCUMULATOR;
-}
-
 bool
 vec4_instruction::is_send_from_grf()
 {
@@ -601,28 +576,6 @@ vec4_visitor::pack_uniform_registers()
    }
 }
 
-bool
-src_reg::is_zero() const
-{
-   if (file != IMM)
-      return false;
-
-   return fixed_hw_reg.dw1.d == 0;
-}
-
-bool
-src_reg::is_one() const
-{
-   if (file != IMM)
-      return false;
-
-   if (type == BRW_REGISTER_TYPE_F) {
-      return fixed_hw_reg.dw1.f == 1.0;
-   } else {
-      return fixed_hw_reg.dw1.d == 1;
-   }
-}
-
 /**
  * Does algebraic optimizations (0 * a = 0, 1 * a = a, a + 0 = a).
  *

src/mesa/drivers/dri/i965/brw_vec4.h

@@ -106,9 +106,6 @@ public:
    src_reg(struct brw_reg reg);
 
    bool equals(const src_reg &r) const;
-   bool is_zero() const;
-   bool is_one() const;
-   bool is_accumulator() const;
 
    src_reg(class vec4_visitor *v, const struct glsl_type *type);
 
@@ -173,9 +170,6 @@ public:
 
    explicit dst_reg(src_reg reg);
 
-   bool is_null() const;
-   bool is_accumulator() const;
-
    int writemask; /**< Bitfield of WRITEMASK_[XYZW] */
 
    src_reg *reladdr;