op == midgard_op_ld_vary_32 \
)
-#define OP_IS_STORE_VARY(op) (\
- op == midgard_op_st_vary_16 || \
- op == midgard_op_st_vary_32 || \
- op == midgard_op_st_vary_32u || \
- op == midgard_op_st_vary_32i \
- )
-
-#define OP_IS_STORE_R26(op) (\
- OP_IS_STORE_VARY(op) || \
- op == midgard_op_st_char || \
- op == midgard_op_st_char2 || \
- op == midgard_op_st_char4 || \
- op == midgard_op_st_short4 || \
- op == midgard_op_st_int4 \
- )
-
-#define OP_IS_STORE(op) (\
- OP_IS_STORE_R26(op) \
- )
-
#define OP_IS_PROJECTION(op) ( \
op == midgard_op_ldst_perspective_division_z || \
op == midgard_op_ldst_perspective_division_w \
#define SSA_REG_FROM_FIXED(reg) ((((reg) & ~1) >> SSA_FIXED_SHIFT) - 1)
#define SSA_FIXED_MINIMUM SSA_FIXED_REGISTER(0)
-/* Swizzle support */
-
-#define SWIZZLE(A, B, C, D) ((D << 6) | (C << 4) | (B << 2) | (A << 0))
-#define SWIZZLE_FROM_ARRAY(r) SWIZZLE(r[0], r[1], r[2], r[3])
#define COMPONENT_X 0x0
#define COMPONENT_Y 0x1
#define COMPONENT_Z 0x2
#define COMPONENT_W 0x3
-#define SWIZZLE_XXXX SWIZZLE(COMPONENT_X, COMPONENT_X, COMPONENT_X, COMPONENT_X)
-#define SWIZZLE_XYXX SWIZZLE(COMPONENT_X, COMPONENT_Y, COMPONENT_X, COMPONENT_X)
-#define SWIZZLE_XYZX SWIZZLE(COMPONENT_X, COMPONENT_Y, COMPONENT_Z, COMPONENT_X)
-#define SWIZZLE_XYZW SWIZZLE(COMPONENT_X, COMPONENT_Y, COMPONENT_Z, COMPONENT_W)
-#define SWIZZLE_XYXZ SWIZZLE(COMPONENT_X, COMPONENT_Y, COMPONENT_X, COMPONENT_Z)
-#define SWIZZLE_XYZZ SWIZZLE(COMPONENT_X, COMPONENT_Y, COMPONENT_Z, COMPONENT_Z)
-#define SWIZZLE_XXXY SWIZZLE(COMPONENT_X, COMPONENT_X, COMPONENT_X, COMPONENT_Y)
-#define SWIZZLE_ZZZW SWIZZLE(COMPONENT_Z, COMPONENT_Z, COMPONENT_Z, COMPONENT_W)
-#define SWIZZLE_ZWWW SWIZZLE(COMPONENT_Z, COMPONENT_W, COMPONENT_W, COMPONENT_W)
-#define SWIZZLE_WWWW SWIZZLE(COMPONENT_W, COMPONENT_W, COMPONENT_W, COMPONENT_W)
+#define SWIZZLE_IDENTITY { \
+ { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, \
+ { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, \
+ { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } \
+}
-static inline unsigned
-swizzle_of(unsigned comp)
-{
- switch (comp) {
- case 1:
- return SWIZZLE_XXXX;
- case 2:
- return SWIZZLE_XYXX;
- case 3:
- return SWIZZLE_XYZX;
- case 4:
- return SWIZZLE_XYZW;
- default:
- unreachable("Invalid component count");
- }
+#define SWIZZLE_IDENTITY_4 { \
+ { 0, 1, 2, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, \
+ { 0, 1, 2, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, \
+ { 0, 1, 2, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, \
}
static inline unsigned
return (1 << nr_comp) - 1;
}
-
/* See ISA notes */
#define LDST_NOP (3)
unsigned props;
};
+/* For load/store */
+
+struct mir_ldst_op_props {
+ const char *name;
+ unsigned props;
+};
+
+/* Lower 2-bits are a midgard_reg_mode */
+#define GET_LDST_SIZE(c) (c & 3)
+
+/* Store (so the primary register is a source, not a destination */
+#define LDST_STORE (1 << 2)
+
+/* Mask has special meaning and should not be manipulated directly */
+#define LDST_SPECIAL_MASK (1 << 3)
+
+/* Non-store operation has side effects and should not be eliminated even if
+ * its mask is 0 */
+#define LDST_SIDE_FX (1 << 4)
+
/* This file is common, so don't define the tables themselves. #include
* midgard_op.h if you need that, or edit midgard_ops.c directly */
-/* Duplicate bits to convert a 4-bit writemask to duplicated 8-bit format,
- * which is used for 32-bit vector units */
+/* Duplicate bits to convert a per-component to duplicated 8-bit format,
+ * which is used for vector units */
static inline unsigned
-expand_writemask_32(unsigned mask)
+expand_writemask(unsigned mask, unsigned channels)
{
unsigned o = 0;
+ unsigned factor = 8 / channels;
+ unsigned expanded = (1 << factor) - 1;
- for (int i = 0; i < 4; ++i)
+ for (unsigned i = 0; i < channels; ++i)
if (mask & (1 << i))
- o |= (3 << (2 * i));
+ o |= (expanded << (factor * i));
return o;
}
return s;
}
-/* Composes two swizzles */
-static inline unsigned
-pan_compose_swizzle(unsigned left, unsigned right)
+static inline void
+mir_compose_swizzle(unsigned *left, unsigned *right, unsigned *final_out)
{
- unsigned out = 0;
+ unsigned out[16];
- for (unsigned c = 0; c < 4; ++c) {
- unsigned s = (left >> (2*c)) & 0x3;
- unsigned q = (right >> (2*s)) & 0x3;
+ for (unsigned c = 0; c < 16; ++c)
+ out[c] = right[left[c]];
- out |= (q << (2*c));
- }
-
- return out;
-}
-
-/* Applies a swizzle to an ALU source */
-
-static inline unsigned
-vector_alu_apply_swizzle(unsigned src, unsigned swizzle)
-{
- midgard_vector_alu_src s =
- vector_alu_from_unsigned(src);
-
- s.swizzle = pan_compose_swizzle(s.swizzle, swizzle);
-
- return vector_alu_srco_unsigned(s);
+ memcpy(final_out, out, sizeof(out));
}
/* Checks for an xyzw.. swizzle, given a mask */
static inline bool
-mir_is_simple_swizzle(unsigned swizzle, unsigned mask)
+mir_is_simple_swizzle(unsigned *swizzle, unsigned mask)
{
for (unsigned i = 0; i < 16; ++i) {
if (!(mask & (1 << i))) continue;
- if (((swizzle >> (2 * i)) & 0x3) != i)
+ if (swizzle[i] != i)
return false;
}
return packed;
}
-/* Gets a swizzle like yyyy and returns y */
-
-static inline unsigned
-swizzle_to_component(unsigned swizzle)
-{
- unsigned c = swizzle & 3;
- assert(((swizzle >> 2) & 3) == c);
- assert(((swizzle >> 4) & 3) == c);
- assert(((swizzle >> 6) & 3) == c);
- return c;
-}
-
-
-static inline unsigned
-component_to_swizzle(unsigned c)
-{
- return SWIZZLE(c, c, c, c);
-}
-
#endif
projects / mesa.git / blobdiff