# Authors:
# Connor Abbott (cwabbott0@gmail.com)
+import re
# Class that represents all the information we have about the opcode
# NOTE: this must be kept in sync with nir_op_info
# helper variables for strings
tfloat = "float"
tint = "int"
-tbool = "bool32"
+tbool = "bool"
+tbool1 = "bool1"
+tbool32 = "bool32"
tuint = "uint"
+tuint16 = "uint16"
tfloat32 = "float32"
tint32 = "int32"
tuint32 = "uint32"
tuint64 = "uint64"
tfloat64 = "float64"
+_TYPE_SPLIT_RE = re.compile(r'(?P<type>int|uint|float|bool)(?P<bits>\d+)?')
+
+def type_has_size(type_):
+ m = _TYPE_SPLIT_RE.match(type_)
+ assert m is not None, 'Invalid NIR type string: "{}"'.format(type_)
+ return m.group('bits') is not None
+
+def type_size(type_):
+ m = _TYPE_SPLIT_RE.match(type_)
+ assert m is not None, 'Invalid NIR type string: "{}"'.format(type_)
+ assert m.group('bits') is not None, \
+ 'NIR type string has no bit size: "{}"'.format(type_)
+ return int(m.group('bits'))
+
+def type_sizes(type_):
+ if type_has_size(type_):
+ return [type_size(type_)]
+ elif type_ == 'bool':
+ return [1, 32]
+ elif type_ == 'float':
+ return [16, 32, 64]
+ else:
+ return [1, 8, 16, 32, 64]
+
+def type_base_type(type_):
+ m = _TYPE_SPLIT_RE.match(type_)
+ assert m is not None, 'Invalid NIR type string: "{}"'.format(type_)
+ return m.group('type')
+
commutative = "commutative "
associative = "associative "
"((src0 == 0.0f) ? 0.0f : ((src0 > 0.0f) ? 1.0f : -1.0f))"))
unop("isign", tint, "(src0 == 0) ? 0 : ((src0 > 0) ? 1 : -1)")
unop("iabs", tint, "(src0 < 0) ? -src0 : src0")
-unop("fabs", tfloat, "bit_size == 64 ? fabs(src0) : fabsf(src0)")
+unop("fabs", tfloat, "fabs(src0)")
unop("fsat", tfloat, ("bit_size == 64 ? " +
"((src0 > 1.0) ? 1.0 : ((src0 <= 0.0) ? 0.0 : src0)) : " +
"((src0 > 1.0f) ? 1.0f : ((src0 <= 0.0f) ? 0.0f : src0))"))
unop("flog2", tfloat, "log2f(src0)")
# Generate all of the numeric conversion opcodes
-for src_t in [tint, tuint, tfloat]:
- if src_t in (tint, tuint):
- dst_types = [tfloat, src_t]
+for src_t in [tint, tuint, tfloat, tbool]:
+ if src_t == tbool:
+ dst_types = [tfloat, tint]
+ elif src_t == tint:
+ dst_types = [tfloat, tint, tbool]
+ elif src_t == tuint:
+ dst_types = [tfloat, tuint]
elif src_t == tfloat:
- dst_types = [tint, tuint, tfloat]
+ dst_types = [tint, tuint, tfloat, tbool]
for dst_t in dst_types:
- for bit_size in [32, 64]:
- unop_convert("{0}2{1}{2}".format(src_t[0], dst_t[0], bit_size),
- dst_t + str(bit_size), src_t, "src0")
-
-# We'll hand-code the to/from bool conversion opcodes. Because bool doesn't
-# have multiple bit-sizes, we can always infer the size from the other type.
-unop_convert("f2b", tbool, tfloat, "src0 != 0.0")
-unop_convert("i2b", tbool, tint, "src0 != 0")
-unop_convert("b2f", tfloat, tbool, "src0 ? 1.0 : 0.0")
-unop_convert("b2i", tint, tbool, "src0 ? 1 : 0")
+ for bit_size in type_sizes(dst_t):
+ if bit_size == 16 and dst_t == tfloat and src_t == tfloat:
+ rnd_modes = ['_rtne', '_rtz', '']
+ for rnd_mode in rnd_modes:
+ unop_convert("{0}2{1}{2}{3}".format(src_t[0], dst_t[0],
+ bit_size, rnd_mode),
+ dst_t + str(bit_size), src_t, "src0")
+ else:
+ conv_expr = "src0 != 0" if dst_t == tbool else "src0"
+ unop_convert("{0}2{1}{2}".format(src_t[0], dst_t[0], bit_size),
+ dst_t + str(bit_size), src_t, conv_expr)
# Unary floating-point rounding operations.
unop("fsin", tfloat, "bit_size == 64 ? sin(src0) : sinf(src0)")
unop("fcos", tfloat, "bit_size == 64 ? cos(src0) : cosf(src0)")
+# dfrexp
+unop_convert("frexp_exp", tint32, tfloat64, "frexp(src0, &dst);")
+unop_convert("frexp_sig", tfloat64, tfloat64, "int n; dst = frexp(src0, &n);")
# Partial derivatives.
(src0.w << 24);
""")
+unop_horiz("pack_32_2x16", 1, tuint32, 2, tuint16,
+ "dst.x = src0.x | ((uint32_t)src0.y << 16);")
+
unop_horiz("pack_64_2x32", 1, tuint64, 2, tuint32,
"dst.x = src0.x | ((uint64_t)src0.y << 32);")
+unop_horiz("pack_64_4x16", 1, tuint64, 4, tuint16,
+ "dst.x = src0.x | ((uint64_t)src0.y << 16) | ((uint64_t)src0.z << 32) | ((uint64_t)src0.w << 48);")
+
unop_horiz("unpack_64_2x32", 2, tuint32, 1, tuint64,
"dst.x = src0.x; dst.y = src0.x >> 32;")
+unop_horiz("unpack_64_4x16", 4, tuint16, 1, tuint64,
+ "dst.x = src0.x; dst.y = src0.x >> 16; dst.z = src0.x >> 32; dst.w = src0.w >> 48;")
+
+unop_horiz("unpack_32_2x16", 2, tuint16, 1, tuint32,
+ "dst.x = src0.x; dst.y = src0.x >> 16;")
+
# Lowered floating point unpacking operations.
-unop_horiz("unpack_half_2x16_split_x", 1, tfloat32, 1, tuint32,
- "unpack_half_1x16((uint16_t)(src0.x & 0xffff))")
-unop_horiz("unpack_half_2x16_split_y", 1, tfloat32, 1, tuint32,
- "unpack_half_1x16((uint16_t)(src0.x >> 16))")
+unop_convert("unpack_half_2x16_split_x", tfloat32, tuint32,
+ "unpack_half_1x16((uint16_t)(src0 & 0xffff))")
+unop_convert("unpack_half_2x16_split_y", tfloat32, tuint32,
+ "unpack_half_1x16((uint16_t)(src0 >> 16))")
+
+unop_convert("unpack_32_2x16_split_x", tuint16, tuint32, "src0")
+unop_convert("unpack_32_2x16_split_y", tuint16, tuint32, "src0 >> 16")
unop_convert("unpack_64_2x32_split_x", tuint32, tuint64, "src0")
unop_convert("unpack_64_2x32_split_y", tuint32, tuint64, "src0 >> 32")
for (unsigned bit = 0; bit < 32; bit++)
dst |= ((src0 >> bit) & 1) << (31 - bit);
""")
-unop("bit_count", tuint32, """
+unop_convert("bit_count", tuint32, tuint, """
dst = 0;
-for (unsigned bit = 0; bit < 32; bit++) {
+for (unsigned bit = 0; bit < bit_size; bit++) {
if ((src0 >> bit) & 1)
dst++;
}
""")
-unop_convert("ufind_msb", tint32, tuint32, """
+unop_convert("ufind_msb", tint32, tuint, """
dst = -1;
-for (int bit = 31; bit > 0; bit--) {
+for (int bit = bit_size - 1; bit >= 0; bit--) {
if ((src0 >> bit) & 1) {
dst = bit;
break;
}
""")
-unop("find_lsb", tint32, """
+unop_convert("find_lsb", tint32, tint, """
dst = -1;
-for (unsigned bit = 0; bit < 32; bit++) {
+for (unsigned bit = 0; bit < bit_size; bit++) {
if ((src0 >> bit) & 1) {
dst = bit;
break;
""")
-for i in xrange(1, 5):
- for j in xrange(1, 5):
+for i in range(1, 5):
+ for j in range(1, 5):
unop_horiz("fnoise{0}_{1}".format(i, j), i, tfloat, j, tfloat, "0.0f")
+
+# AMD_gcn_shader extended instructions
+unop_horiz("cube_face_coord", 2, tfloat32, 3, tfloat32, """
+dst.x = dst.y = 0.0;
+float absX = fabs(src0.x);
+float absY = fabs(src0.y);
+float absZ = fabs(src0.z);
+if (src0.x >= 0 && absX >= absY && absX >= absZ) { dst.x = -src0.y; dst.y = -src0.z; }
+if (src0.x < 0 && absX >= absY && absX >= absZ) { dst.x = -src0.y; dst.y = src0.z; }
+if (src0.y >= 0 && absY >= absX && absY >= absZ) { dst.x = src0.z; dst.y = src0.x; }
+if (src0.y < 0 && absY >= absX && absY >= absZ) { dst.x = -src0.z; dst.y = src0.x; }
+if (src0.z >= 0 && absZ >= absX && absZ >= absY) { dst.x = -src0.y; dst.y = src0.x; }
+if (src0.z < 0 && absZ >= absX && absZ >= absY) { dst.x = -src0.y; dst.y = -src0.x; }
+""")
+
+unop_horiz("cube_face_index", 1, tfloat32, 3, tfloat32, """
+float absX = fabs(src0.x);
+float absY = fabs(src0.y);
+float absZ = fabs(src0.z);
+if (src0.x >= 0 && absX >= absY && absX >= absZ) dst.x = 0;
+if (src0.x < 0 && absX >= absY && absX >= absZ) dst.x = 1;
+if (src0.y >= 0 && absY >= absX && absY >= absZ) dst.x = 2;
+if (src0.y < 0 && absY >= absX && absY >= absZ) dst.x = 3;
+if (src0.z >= 0 && absZ >= absX && absZ >= absY) dst.x = 4;
+if (src0.z < 0 && absZ >= absX && absZ >= absY) dst.x = 5;
+""")
+
+
def binop_convert(name, out_type, in_type, alg_props, const_expr):
opcode(name, 0, out_type, [0, 0], [in_type, in_type], alg_props, const_expr)
binop_convert(name, ty, ty, alg_props, const_expr)
def binop_compare(name, ty, alg_props, const_expr):
- binop_convert(name, tbool, ty, alg_props, const_expr)
+ binop_convert(name, tbool1, ty, alg_props, const_expr)
+
+def binop_compare32(name, ty, alg_props, const_expr):
+ binop_convert(name, tbool32, ty, alg_props, const_expr)
def binop_horiz(name, out_size, out_type, src1_size, src1_type, src2_size,
src2_type, const_expr):
binop("fadd", tfloat, commutative + associative, "src0 + src1")
binop("iadd", tint, commutative + associative, "src0 + src1")
+binop("uadd_sat", tuint, commutative,
+ "(src0 + src1) < src0 ? UINT64_MAX : (src0 + src1)")
binop("fsub", tfloat, "", "src0 - src1")
binop("isub", tint, "", "src0 - src1")
binop("fmul", tfloat, commutative + associative, "src0 * src1")
# low 32-bits of signed/unsigned integer multiply
binop("imul", tint, commutative + associative, "src0 * src1")
+
# high 32-bits of signed integer multiply
-binop("imul_high", tint32, commutative,
- "(int32_t)(((int64_t) src0 * (int64_t) src1) >> 32)")
+binop("imul_high", tint, commutative, """
+if (bit_size == 64) {
+ /* We need to do a full 128-bit x 128-bit multiply in order for the sign
+ * extension to work properly. The casts are kind-of annoying but needed
+ * to prevent compiler warnings.
+ */
+ uint32_t src0_u32[4] = {
+ src0,
+ (int64_t)src0 >> 32,
+ (int64_t)src0 >> 63,
+ (int64_t)src0 >> 63,
+ };
+ uint32_t src1_u32[4] = {
+ src1,
+ (int64_t)src1 >> 32,
+ (int64_t)src1 >> 63,
+ (int64_t)src1 >> 63,
+ };
+ uint32_t prod_u32[4];
+ ubm_mul_u32arr(prod_u32, src0_u32, src1_u32);
+ dst = (uint64_t)prod_u32[2] | ((uint64_t)prod_u32[3] << 32);
+} else {
+ dst = ((int64_t)src0 * (int64_t)src1) >> bit_size;
+}
+""")
+
# high 32-bits of unsigned integer multiply
-binop("umul_high", tuint32, commutative,
- "(uint32_t)(((uint64_t) src0 * (uint64_t) src1) >> 32)")
+binop("umul_high", tuint, commutative, """
+if (bit_size == 64) {
+ /* The casts are kind-of annoying but needed to prevent compiler warnings. */
+ uint32_t src0_u32[2] = { src0, (uint64_t)src0 >> 32 };
+ uint32_t src1_u32[2] = { src1, (uint64_t)src1 >> 32 };
+ uint32_t prod_u32[4];
+ ubm_mul_u32arr(prod_u32, src0_u32, src1_u32);
+ dst = (uint64_t)prod_u32[2] | ((uint64_t)prod_u32[3] << 32);
+} else {
+ dst = ((uint64_t)src0 * (uint64_t)src1) >> bit_size;
+}
+""")
binop("fdiv", tfloat, "", "src0 / src1")
-binop("idiv", tint, "", "src0 / src1")
-binop("udiv", tuint, "", "src0 / src1")
+binop("idiv", tint, "", "src1 == 0 ? 0 : (src0 / src1)")
+binop("udiv", tuint, "", "src1 == 0 ? 0 : (src0 / src1)")
# returns a boolean representing the carry resulting from the addition of
# the two unsigned arguments.
binop_compare("ine", tint, commutative, "src0 != src1")
binop_compare("ult", tuint, "", "src0 < src1")
binop_compare("uge", tuint, "", "src0 >= src1")
+binop_compare32("flt32", tfloat, "", "src0 < src1")
+binop_compare32("fge32", tfloat, "", "src0 >= src1")
+binop_compare32("feq32", tfloat, commutative, "src0 == src1")
+binop_compare32("fne32", tfloat, commutative, "src0 != src1")
+binop_compare32("ilt32", tint, "", "src0 < src1")
+binop_compare32("ige32", tint, "", "src0 >= src1")
+binop_compare32("ieq32", tint, commutative, "src0 == src1")
+binop_compare32("ine32", tint, commutative, "src0 != src1")
+binop_compare32("ult32", tuint, "", "src0 < src1")
+binop_compare32("uge32", tuint, "", "src0 >= src1")
# integer-aware GLSL-style comparisons that compare floats and ints
-binop_reduce("ball_fequal", 1, tbool, tfloat, "{src0} == {src1}",
+binop_reduce("ball_fequal", 1, tbool1, tfloat, "{src0} == {src1}",
"{src0} && {src1}", "{src}")
-binop_reduce("bany_fnequal", 1, tbool, tfloat, "{src0} != {src1}",
+binop_reduce("bany_fnequal", 1, tbool1, tfloat, "{src0} != {src1}",
"{src0} || {src1}", "{src}")
-binop_reduce("ball_iequal", 1, tbool, tint, "{src0} == {src1}",
+binop_reduce("ball_iequal", 1, tbool1, tint, "{src0} == {src1}",
"{src0} && {src1}", "{src}")
-binop_reduce("bany_inequal", 1, tbool, tint, "{src0} != {src1}",
+binop_reduce("bany_inequal", 1, tbool1, tint, "{src0} != {src1}",
+ "{src0} || {src1}", "{src}")
+
+binop_reduce("b32all_fequal", 1, tbool32, tfloat, "{src0} == {src1}",
+ "{src0} && {src1}", "{src}")
+binop_reduce("b32any_fnequal", 1, tbool32, tfloat, "{src0} != {src1}",
+ "{src0} || {src1}", "{src}")
+binop_reduce("b32all_iequal", 1, tbool32, tint, "{src0} == {src1}",
+ "{src0} && {src1}", "{src}")
+binop_reduce("b32any_inequal", 1, tbool32, tint, "{src0} != {src1}",
"{src0} || {src1}", "{src}")
# non-integer-aware GLSL-style comparisons that return 0.0 or 1.0
# and false respectively
binop("slt", tfloat32, "", "(src0 < src1) ? 1.0f : 0.0f") # Set on Less Than
-binop("sge", tfloat32, "", "(src0 >= src1) ? 1.0f : 0.0f") # Set on Greater or Equal
+binop("sge", tfloat, "", "(src0 >= src1) ? 1.0f : 0.0f") # Set on Greater or Equal
binop("seq", tfloat32, commutative, "(src0 == src1) ? 1.0f : 0.0f") # Set on Equal
binop("sne", tfloat32, commutative, "(src0 != src1) ? 1.0f : 0.0f") # Set on Not Equal
binop_convert("pack_64_2x32_split", tuint64, tuint32, "",
"src0 | ((uint64_t)src1 << 32)")
+binop_convert("pack_32_2x16_split", tuint32, tuint16, "",
+ "src0 | ((uint32_t)src1 << 16)")
+
# bfm implements the behavior of the first operation of the SM5 "bfi" assembly
# and that of the "bfi1" i965 instruction. That is, it has undefined behavior
# if either of its arguments are 32.
triop("fcsel", tfloat32, "(src0 != 0.0f) ? src1 : src2")
+
+# 3 way min/max/med
+triop("fmin3", tfloat, "fminf(src0, fminf(src1, src2))")
+triop("imin3", tint, "MIN2(src0, MIN2(src1, src2))")
+triop("umin3", tuint, "MIN2(src0, MIN2(src1, src2))")
+
+triop("fmax3", tfloat, "fmaxf(src0, fmaxf(src1, src2))")
+triop("imax3", tint, "MAX2(src0, MAX2(src1, src2))")
+triop("umax3", tuint, "MAX2(src0, MAX2(src1, src2))")
+
+triop("fmed3", tfloat, "fmaxf(fminf(fmaxf(src0, src1), src2), fminf(src0, src1))")
+triop("imed3", tint, "MAX2(MIN2(MAX2(src0, src1), src2), MIN2(src0, src1))")
+triop("umed3", tuint, "MAX2(MIN2(MAX2(src0, src1), src2), MIN2(src0, src1))")
+
opcode("bcsel", 0, tuint, [0, 0, 0],
- [tbool, tuint, tuint], "", "src0 ? src1 : src2")
+ [tbool1, tuint, tuint], "", "src0 ? src1 : src2")
+opcode("b32csel", 0, tuint, [0, 0, 0],
+ [tbool32, tuint, tuint], "", "src0 ? src1 : src2")
# SM5 bfi assembly
triop("bfi", tuint32, """
unsigned base = src0, insert = src1;
int offset = src2, bits = src3;
if (bits == 0) {
- dst = 0;
+ dst = base;
} else if (offset < 0 || bits < 0 || bits + offset > 32) {
dst = 0;
} else {
unsigned mask = ((1ull << bits) - 1) << offset;
- dst = (base & ~mask) | ((insert << bits) & mask);
+ dst = (base & ~mask) | ((insert << offset) & mask);
}
""")
projects / mesa.git / blobdiff