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authorJonathan Gray <jsg@cvs.openbsd.org>2018-10-23 05:53:16 +0000
committerJonathan Gray <jsg@cvs.openbsd.org>2018-10-23 05:53:16 +0000
commitaea331c3cb69ef2756ffceb05da8ace5e6287314 (patch)
tree2ec86f417bae9af0860d54ed89c822e701563645 /lib/mesa/src/broadcom/qpu/qpu_instr.c
parentf6666e4c3977a5d74f3da7464672ea48e44dff4b (diff)
Import Mesa 17.3.9
Diffstat (limited to 'lib/mesa/src/broadcom/qpu/qpu_instr.c')
-rw-r--r--lib/mesa/src/broadcom/qpu/qpu_instr.c645
1 files changed, 645 insertions, 0 deletions
diff --git a/lib/mesa/src/broadcom/qpu/qpu_instr.c b/lib/mesa/src/broadcom/qpu/qpu_instr.c
new file mode 100644
index 000000000..7499170de
--- /dev/null
+++ b/lib/mesa/src/broadcom/qpu/qpu_instr.c
@@ -0,0 +1,645 @@
+/*
+ * Copyright © 2016 Broadcom
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include "util/macros.h"
+#include "qpu_instr.h"
+
+#ifndef QPU_MASK
+#define QPU_MASK(high, low) ((((uint64_t)1<<((high)-(low)+1))-1)<<(low))
+/* Using the GNU statement expression extension */
+#define QPU_SET_FIELD(value, field) \
+ ({ \
+ uint64_t fieldval = (uint64_t)(value) << field ## _SHIFT; \
+ assert((fieldval & ~ field ## _MASK) == 0); \
+ fieldval & field ## _MASK; \
+ })
+
+#define QPU_GET_FIELD(word, field) ((uint32_t)(((word) & field ## _MASK) >> field ## _SHIFT))
+
+#define QPU_UPDATE_FIELD(inst, value, field) \
+ (((inst) & ~(field ## _MASK)) | QPU_SET_FIELD(value, field))
+#endif /* QPU_MASK */
+
+#define VC5_QPU_OP_MUL_SHIFT 58
+#define VC5_QPU_OP_MUL_MASK QPU_MASK(63, 58)
+
+#define VC5_QPU_SIG_SHIFT 53
+#define VC5_QPU_SIG_MASK QPU_MASK(57, 53)
+# define VC5_QPU_SIG_THRSW_BIT 0x1
+# define VC5_QPU_SIG_LDUNIF_BIT 0x2
+# define VC5_QPU_SIG_LDTMU_BIT 0x4
+# define VC5_QPU_SIG_LDVARY_BIT 0x8
+
+#define VC5_QPU_COND_SHIFT 46
+#define VC5_QPU_COND_MASK QPU_MASK(52, 46)
+
+#define VC5_QPU_COND_IFA 0
+#define VC5_QPU_COND_IFB 1
+#define VC5_QPU_COND_IFNA 2
+#define VC5_QPU_COND_IFNB 3
+
+#define VC5_QPU_MM QPU_MASK(45, 45)
+#define VC5_QPU_MA QPU_MASK(44, 44)
+
+#define V3D_QPU_WADDR_M_SHIFT 38
+#define V3D_QPU_WADDR_M_MASK QPU_MASK(43, 38)
+
+#define VC5_QPU_BRANCH_ADDR_LOW_SHIFT 35
+#define VC5_QPU_BRANCH_ADDR_LOW_MASK QPU_MASK(55, 35)
+
+#define V3D_QPU_WADDR_A_SHIFT 32
+#define V3D_QPU_WADDR_A_MASK QPU_MASK(37, 32)
+
+#define VC5_QPU_BRANCH_COND_SHIFT 32
+#define VC5_QPU_BRANCH_COND_MASK QPU_MASK(34, 32)
+
+#define VC5_QPU_BRANCH_ADDR_HIGH_SHIFT 24
+#define VC5_QPU_BRANCH_ADDR_HIGH_MASK QPU_MASK(31, 24)
+
+#define VC5_QPU_OP_ADD_SHIFT 24
+#define VC5_QPU_OP_ADD_MASK QPU_MASK(31, 24)
+
+#define VC5_QPU_MUL_B_SHIFT 21
+#define VC5_QPU_MUL_B_MASK QPU_MASK(23, 21)
+
+#define VC5_QPU_BRANCH_MSFIGN_SHIFT 21
+#define VC5_QPU_BRANCH_MSFIGN_MASK QPU_MASK(22, 21)
+
+#define VC5_QPU_MUL_A_SHIFT 18
+#define VC5_QPU_MUL_A_MASK QPU_MASK(20, 18)
+
+#define VC5_QPU_ADD_B_SHIFT 15
+#define VC5_QPU_ADD_B_MASK QPU_MASK(17, 15)
+
+#define VC5_QPU_BRANCH_BDU_SHIFT 15
+#define VC5_QPU_BRANCH_BDU_MASK QPU_MASK(17, 15)
+
+#define VC5_QPU_BRANCH_UB QPU_MASK(14, 14)
+
+#define VC5_QPU_ADD_A_SHIFT 12
+#define VC5_QPU_ADD_A_MASK QPU_MASK(14, 12)
+
+#define VC5_QPU_BRANCH_BDI_SHIFT 12
+#define VC5_QPU_BRANCH_BDI_MASK QPU_MASK(13, 12)
+
+#define VC5_QPU_RADDR_A_SHIFT 6
+#define VC5_QPU_RADDR_A_MASK QPU_MASK(11, 6)
+
+#define VC5_QPU_RADDR_B_SHIFT 0
+#define VC5_QPU_RADDR_B_MASK QPU_MASK(5, 0)
+
+const char *
+v3d_qpu_magic_waddr_name(enum v3d_qpu_waddr waddr)
+{
+ static const char *waddr_magic[] = {
+ [V3D_QPU_WADDR_R0] = "r0",
+ [V3D_QPU_WADDR_R1] = "r1",
+ [V3D_QPU_WADDR_R2] = "r2",
+ [V3D_QPU_WADDR_R3] = "r3",
+ [V3D_QPU_WADDR_R4] = "r4",
+ [V3D_QPU_WADDR_R5] = "r5",
+ [V3D_QPU_WADDR_NOP] = "-",
+ [V3D_QPU_WADDR_TLB] = "tlb",
+ [V3D_QPU_WADDR_TLBU] = "tlbu",
+ [V3D_QPU_WADDR_TMU] = "tmu",
+ [V3D_QPU_WADDR_TMUL] = "tmul",
+ [V3D_QPU_WADDR_TMUD] = "tmud",
+ [V3D_QPU_WADDR_TMUA] = "tmua",
+ [V3D_QPU_WADDR_TMUAU] = "tmuau",
+ [V3D_QPU_WADDR_VPM] = "vpm",
+ [V3D_QPU_WADDR_VPMU] = "vpmu",
+ [V3D_QPU_WADDR_SYNC] = "sync",
+ [V3D_QPU_WADDR_SYNCU] = "syncu",
+ [V3D_QPU_WADDR_RECIP] = "recip",
+ [V3D_QPU_WADDR_RSQRT] = "rsqrt",
+ [V3D_QPU_WADDR_EXP] = "exp",
+ [V3D_QPU_WADDR_LOG] = "log",
+ [V3D_QPU_WADDR_SIN] = "sin",
+ [V3D_QPU_WADDR_RSQRT2] = "rsqrt2",
+ };
+
+ return waddr_magic[waddr];
+}
+
+const char *
+v3d_qpu_add_op_name(enum v3d_qpu_add_op op)
+{
+ static const char *op_names[] = {
+ [V3D_QPU_A_FADD] = "fadd",
+ [V3D_QPU_A_FADDNF] = "faddnf",
+ [V3D_QPU_A_VFPACK] = "vfpack",
+ [V3D_QPU_A_ADD] = "add",
+ [V3D_QPU_A_SUB] = "sub",
+ [V3D_QPU_A_FSUB] = "fsub",
+ [V3D_QPU_A_MIN] = "min",
+ [V3D_QPU_A_MAX] = "max",
+ [V3D_QPU_A_UMIN] = "umin",
+ [V3D_QPU_A_UMAX] = "umax",
+ [V3D_QPU_A_SHL] = "shl",
+ [V3D_QPU_A_SHR] = "shr",
+ [V3D_QPU_A_ASR] = "asr",
+ [V3D_QPU_A_ROR] = "ror",
+ [V3D_QPU_A_FMIN] = "fmin",
+ [V3D_QPU_A_FMAX] = "fmax",
+ [V3D_QPU_A_VFMIN] = "vfmin",
+ [V3D_QPU_A_AND] = "and",
+ [V3D_QPU_A_OR] = "or",
+ [V3D_QPU_A_XOR] = "xor",
+ [V3D_QPU_A_VADD] = "vadd",
+ [V3D_QPU_A_VSUB] = "vsub",
+ [V3D_QPU_A_NOT] = "not",
+ [V3D_QPU_A_NEG] = "neg",
+ [V3D_QPU_A_FLAPUSH] = "flapush",
+ [V3D_QPU_A_FLBPUSH] = "flbpush",
+ [V3D_QPU_A_FLBPOP] = "flbpop",
+ [V3D_QPU_A_SETMSF] = "setmsf",
+ [V3D_QPU_A_SETREVF] = "setrevf",
+ [V3D_QPU_A_NOP] = "nop",
+ [V3D_QPU_A_TIDX] = "tidx",
+ [V3D_QPU_A_EIDX] = "eidx",
+ [V3D_QPU_A_LR] = "lr",
+ [V3D_QPU_A_VFLA] = "vfla",
+ [V3D_QPU_A_VFLNA] = "vflna",
+ [V3D_QPU_A_VFLB] = "vflb",
+ [V3D_QPU_A_VFLNB] = "vflnb",
+ [V3D_QPU_A_FXCD] = "fxcd",
+ [V3D_QPU_A_XCD] = "xcd",
+ [V3D_QPU_A_FYCD] = "fycd",
+ [V3D_QPU_A_YCD] = "ycd",
+ [V3D_QPU_A_MSF] = "msf",
+ [V3D_QPU_A_REVF] = "revf",
+ [V3D_QPU_A_VDWWT] = "vdwwt",
+ [V3D_QPU_A_IID] = "iid",
+ [V3D_QPU_A_SAMPID] = "sampid",
+ [V3D_QPU_A_PATCHID] = "patchid",
+ [V3D_QPU_A_TMUWT] = "tmuwt",
+ [V3D_QPU_A_VPMSETUP] = "vpmsetup",
+ [V3D_QPU_A_VPMWT] = "vpmwt",
+ [V3D_QPU_A_LDVPMV] = "ldvpmv",
+ [V3D_QPU_A_LDVPMD] = "ldvpmd",
+ [V3D_QPU_A_LDVPMP] = "ldvpmp",
+ [V3D_QPU_A_LDVPMG] = "ldvpmg",
+ [V3D_QPU_A_FCMP] = "fcmp",
+ [V3D_QPU_A_VFMAX] = "vfmax",
+ [V3D_QPU_A_FROUND] = "fround",
+ [V3D_QPU_A_FTOIN] = "ftoin",
+ [V3D_QPU_A_FTRUNC] = "ftrunc",
+ [V3D_QPU_A_FTOIZ] = "ftoiz",
+ [V3D_QPU_A_FFLOOR] = "ffloor",
+ [V3D_QPU_A_FTOUZ] = "ftouz",
+ [V3D_QPU_A_FCEIL] = "fceil",
+ [V3D_QPU_A_FTOC] = "ftoc",
+ [V3D_QPU_A_FDX] = "fdx",
+ [V3D_QPU_A_FDY] = "fdy",
+ [V3D_QPU_A_STVPMV] = "stvpmv",
+ [V3D_QPU_A_STVPMD] = "stvpmd",
+ [V3D_QPU_A_STVPMP] = "stvpmp",
+ [V3D_QPU_A_ITOF] = "itof",
+ [V3D_QPU_A_CLZ] = "clz",
+ [V3D_QPU_A_UTOF] = "utof",
+ };
+
+ if (op >= ARRAY_SIZE(op_names))
+ return NULL;
+
+ return op_names[op];
+}
+
+const char *
+v3d_qpu_mul_op_name(enum v3d_qpu_mul_op op)
+{
+ static const char *op_names[] = {
+ [V3D_QPU_M_ADD] = "add",
+ [V3D_QPU_M_SUB] = "sub",
+ [V3D_QPU_M_UMUL24] = "umul24",
+ [V3D_QPU_M_VFMUL] = "vfmul",
+ [V3D_QPU_M_SMUL24] = "smul24",
+ [V3D_QPU_M_MULTOP] = "multop",
+ [V3D_QPU_M_FMOV] = "fmov",
+ [V3D_QPU_M_MOV] = "mov",
+ [V3D_QPU_M_NOP] = "nop",
+ [V3D_QPU_M_FMUL] = "fmul",
+ };
+
+ if (op >= ARRAY_SIZE(op_names))
+ return NULL;
+
+ return op_names[op];
+}
+
+const char *
+v3d_qpu_cond_name(enum v3d_qpu_cond cond)
+{
+ switch (cond) {
+ case V3D_QPU_COND_NONE:
+ return "";
+ case V3D_QPU_COND_IFA:
+ return ".ifa";
+ case V3D_QPU_COND_IFB:
+ return ".ifb";
+ case V3D_QPU_COND_IFNA:
+ return ".ifna";
+ case V3D_QPU_COND_IFNB:
+ return ".ifnb";
+ default:
+ unreachable("bad cond value");
+ }
+}
+
+const char *
+v3d_qpu_branch_cond_name(enum v3d_qpu_branch_cond cond)
+{
+ switch (cond) {
+ case V3D_QPU_BRANCH_COND_ALWAYS:
+ return "";
+ case V3D_QPU_BRANCH_COND_A0:
+ return ".a0";
+ case V3D_QPU_BRANCH_COND_NA0:
+ return ".na0";
+ case V3D_QPU_BRANCH_COND_ALLA:
+ return ".alla";
+ case V3D_QPU_BRANCH_COND_ANYNA:
+ return ".anyna";
+ case V3D_QPU_BRANCH_COND_ANYA:
+ return ".anya";
+ case V3D_QPU_BRANCH_COND_ALLNA:
+ return ".allna";
+ default:
+ unreachable("bad branch cond value");
+ }
+}
+
+const char *
+v3d_qpu_msfign_name(enum v3d_qpu_msfign msfign)
+{
+ switch (msfign) {
+ case V3D_QPU_MSFIGN_NONE:
+ return "";
+ case V3D_QPU_MSFIGN_P:
+ return "p";
+ case V3D_QPU_MSFIGN_Q:
+ return "q";
+ default:
+ unreachable("bad branch cond value");
+ }
+}
+
+const char *
+v3d_qpu_pf_name(enum v3d_qpu_pf pf)
+{
+ switch (pf) {
+ case V3D_QPU_PF_NONE:
+ return "";
+ case V3D_QPU_PF_PUSHZ:
+ return ".pushz";
+ case V3D_QPU_PF_PUSHN:
+ return ".pushn";
+ case V3D_QPU_PF_PUSHC:
+ return ".pushc";
+ default:
+ unreachable("bad pf value");
+ }
+}
+
+const char *
+v3d_qpu_uf_name(enum v3d_qpu_uf uf)
+{
+ switch (uf) {
+ case V3D_QPU_UF_NONE:
+ return "";
+ case V3D_QPU_UF_ANDZ:
+ return ".andz";
+ case V3D_QPU_UF_ANDNZ:
+ return ".andnz";
+ case V3D_QPU_UF_NORZ:
+ return ".norz";
+ case V3D_QPU_UF_NORNZ:
+ return ".nornz";
+ case V3D_QPU_UF_ANDN:
+ return ".andn";
+ case V3D_QPU_UF_ANDNN:
+ return ".andnn";
+ case V3D_QPU_UF_NORN:
+ return ".norn";
+ case V3D_QPU_UF_NORNN:
+ return ".nornn";
+ case V3D_QPU_UF_ANDC:
+ return ".andc";
+ case V3D_QPU_UF_ANDNC:
+ return ".andnc";
+ case V3D_QPU_UF_NORC:
+ return ".norc";
+ case V3D_QPU_UF_NORNC:
+ return ".nornc";
+ default:
+ unreachable("bad pf value");
+ }
+}
+
+const char *
+v3d_qpu_pack_name(enum v3d_qpu_output_pack pack)
+{
+ switch (pack) {
+ case V3D_QPU_PACK_NONE:
+ return "";
+ case V3D_QPU_PACK_L:
+ return ".l";
+ case V3D_QPU_PACK_H:
+ return ".h";
+ default:
+ unreachable("bad pack value");
+ }
+}
+
+const char *
+v3d_qpu_unpack_name(enum v3d_qpu_input_unpack unpack)
+{
+ switch (unpack) {
+ case V3D_QPU_UNPACK_NONE:
+ return "";
+ case V3D_QPU_UNPACK_L:
+ return ".l";
+ case V3D_QPU_UNPACK_H:
+ return ".h";
+ case V3D_QPU_UNPACK_ABS:
+ return ".abs";
+ case V3D_QPU_UNPACK_REPLICATE_32F_16:
+ return ".ff";
+ case V3D_QPU_UNPACK_REPLICATE_L_16:
+ return ".ll";
+ case V3D_QPU_UNPACK_REPLICATE_H_16:
+ return ".hh";
+ case V3D_QPU_UNPACK_SWAP_16:
+ return ".swp";
+ default:
+ unreachable("bad unpack value");
+ }
+}
+
+#define D 1
+#define A 2
+#define B 4
+static const uint8_t add_op_args[] = {
+ [V3D_QPU_A_FADD] = D | A | B,
+ [V3D_QPU_A_FADDNF] = D | A | B,
+ [V3D_QPU_A_VFPACK] = D | A | B,
+ [V3D_QPU_A_ADD] = D | A | B,
+ [V3D_QPU_A_VFPACK] = D | A | B,
+ [V3D_QPU_A_SUB] = D | A | B,
+ [V3D_QPU_A_VFPACK] = D | A | B,
+ [V3D_QPU_A_FSUB] = D | A | B,
+ [V3D_QPU_A_MIN] = D | A | B,
+ [V3D_QPU_A_MAX] = D | A | B,
+ [V3D_QPU_A_UMIN] = D | A | B,
+ [V3D_QPU_A_UMAX] = D | A | B,
+ [V3D_QPU_A_SHL] = D | A | B,
+ [V3D_QPU_A_SHR] = D | A | B,
+ [V3D_QPU_A_ASR] = D | A | B,
+ [V3D_QPU_A_ROR] = D | A | B,
+ [V3D_QPU_A_FMIN] = D | A | B,
+ [V3D_QPU_A_FMAX] = D | A | B,
+ [V3D_QPU_A_VFMIN] = D | A | B,
+
+ [V3D_QPU_A_AND] = D | A | B,
+ [V3D_QPU_A_OR] = D | A | B,
+ [V3D_QPU_A_XOR] = D | A | B,
+
+ [V3D_QPU_A_VADD] = D | A | B,
+ [V3D_QPU_A_VSUB] = D | A | B,
+ [V3D_QPU_A_NOT] = D | A,
+ [V3D_QPU_A_NEG] = D | A,
+ [V3D_QPU_A_FLAPUSH] = D | A,
+ [V3D_QPU_A_FLBPUSH] = D | A,
+ [V3D_QPU_A_FLBPOP] = D | A,
+ [V3D_QPU_A_SETMSF] = D | A,
+ [V3D_QPU_A_SETREVF] = D | A,
+ [V3D_QPU_A_NOP] = 0,
+ [V3D_QPU_A_TIDX] = D,
+ [V3D_QPU_A_EIDX] = D,
+ [V3D_QPU_A_LR] = D,
+ [V3D_QPU_A_VFLA] = D,
+ [V3D_QPU_A_VFLNA] = D,
+ [V3D_QPU_A_VFLB] = D,
+ [V3D_QPU_A_VFLNB] = D,
+
+ [V3D_QPU_A_FXCD] = D,
+ [V3D_QPU_A_XCD] = D,
+ [V3D_QPU_A_FYCD] = D,
+ [V3D_QPU_A_YCD] = D,
+
+ [V3D_QPU_A_MSF] = D,
+ [V3D_QPU_A_REVF] = D,
+ [V3D_QPU_A_VDWWT] = D,
+ [V3D_QPU_A_IID] = D,
+ [V3D_QPU_A_SAMPID] = D,
+ [V3D_QPU_A_PATCHID] = D,
+ [V3D_QPU_A_TMUWT] = D,
+ [V3D_QPU_A_VPMWT] = D,
+
+ [V3D_QPU_A_VPMSETUP] = D | A,
+
+ [V3D_QPU_A_LDVPMV] = D | A,
+ [V3D_QPU_A_LDVPMD] = D | A,
+ [V3D_QPU_A_LDVPMP] = D | A,
+ [V3D_QPU_A_LDVPMG] = D | A | B,
+
+ /* FIXME: MOVABSNEG */
+
+ [V3D_QPU_A_FCMP] = D | A | B,
+ [V3D_QPU_A_VFMAX] = D | A | B,
+
+ [V3D_QPU_A_FROUND] = D | A,
+ [V3D_QPU_A_FTOIN] = D | A,
+ [V3D_QPU_A_FTRUNC] = D | A,
+ [V3D_QPU_A_FTOIZ] = D | A,
+ [V3D_QPU_A_FFLOOR] = D | A,
+ [V3D_QPU_A_FTOUZ] = D | A,
+ [V3D_QPU_A_FCEIL] = D | A,
+ [V3D_QPU_A_FTOC] = D | A,
+
+ [V3D_QPU_A_FDX] = D | A,
+ [V3D_QPU_A_FDY] = D | A,
+
+ [V3D_QPU_A_STVPMV] = A | B,
+ [V3D_QPU_A_STVPMD] = A | B,
+ [V3D_QPU_A_STVPMP] = A | B,
+
+ [V3D_QPU_A_ITOF] = D | A,
+ [V3D_QPU_A_CLZ] = D | A,
+ [V3D_QPU_A_UTOF] = D | A,
+};
+
+static const uint8_t mul_op_args[] = {
+ [V3D_QPU_M_ADD] = D | A | B,
+ [V3D_QPU_M_SUB] = D | A | B,
+ [V3D_QPU_M_UMUL24] = D | A | B,
+ [V3D_QPU_M_VFMUL] = D | A | B,
+ [V3D_QPU_M_SMUL24] = D | A | B,
+ [V3D_QPU_M_MULTOP] = D | A | B,
+ [V3D_QPU_M_FMOV] = D | A,
+ [V3D_QPU_M_NOP] = 0,
+ [V3D_QPU_M_MOV] = D | A,
+ [V3D_QPU_M_FMUL] = D | A | B,
+};
+
+bool
+v3d_qpu_add_op_has_dst(enum v3d_qpu_add_op op)
+{
+ assert(op < ARRAY_SIZE(add_op_args));
+
+ return add_op_args[op] & D;
+}
+
+bool
+v3d_qpu_mul_op_has_dst(enum v3d_qpu_mul_op op)
+{
+ assert(op < ARRAY_SIZE(mul_op_args));
+
+ return mul_op_args[op] & D;
+}
+
+int
+v3d_qpu_add_op_num_src(enum v3d_qpu_add_op op)
+{
+ assert(op < ARRAY_SIZE(add_op_args));
+
+ uint8_t args = add_op_args[op];
+ if (args & B)
+ return 2;
+ else if (args & A)
+ return 1;
+ else
+ return 0;
+}
+
+int
+v3d_qpu_mul_op_num_src(enum v3d_qpu_mul_op op)
+{
+ assert(op < ARRAY_SIZE(mul_op_args));
+
+ uint8_t args = mul_op_args[op];
+ if (args & B)
+ return 2;
+ else if (args & A)
+ return 1;
+ else
+ return 0;
+}
+
+bool
+v3d_qpu_magic_waddr_is_sfu(enum v3d_qpu_waddr waddr)
+{
+ switch (waddr) {
+ case V3D_QPU_WADDR_RECIP:
+ case V3D_QPU_WADDR_RSQRT:
+ case V3D_QPU_WADDR_EXP:
+ case V3D_QPU_WADDR_LOG:
+ case V3D_QPU_WADDR_SIN:
+ case V3D_QPU_WADDR_RSQRT2:
+ return true;
+ default:
+ return false;
+ }
+}
+
+bool
+v3d_qpu_magic_waddr_is_tmu(enum v3d_qpu_waddr waddr)
+{
+ switch (waddr) {
+ case V3D_QPU_WADDR_TMU:
+ case V3D_QPU_WADDR_TMUL:
+ case V3D_QPU_WADDR_TMUD:
+ case V3D_QPU_WADDR_TMUA:
+ case V3D_QPU_WADDR_TMUAU:
+ return true;
+ default:
+ return false;
+ }
+}
+
+bool
+v3d_qpu_magic_waddr_is_tlb(enum v3d_qpu_waddr waddr)
+{
+ return (waddr == V3D_QPU_WADDR_TLB ||
+ waddr == V3D_QPU_WADDR_TLBU);
+}
+
+bool
+v3d_qpu_magic_waddr_is_vpm(enum v3d_qpu_waddr waddr)
+{
+ return (waddr == V3D_QPU_WADDR_VPM ||
+ waddr == V3D_QPU_WADDR_VPMU);
+}
+
+bool
+v3d_qpu_magic_waddr_is_tsy(enum v3d_qpu_waddr waddr)
+{
+ return (waddr == V3D_QPU_WADDR_SYNC ||
+ waddr == V3D_QPU_WADDR_SYNCU);
+}
+
+bool
+v3d_qpu_writes_r3(const struct v3d_qpu_instr *inst)
+{
+ return inst->sig.ldvary || inst->sig.ldvpm;
+}
+
+bool
+v3d_qpu_writes_r4(const struct v3d_qpu_instr *inst)
+{
+ if (inst->sig.ldtmu)
+ return true;
+
+ if (inst->type == V3D_QPU_INSTR_TYPE_ALU) {
+ if (inst->alu.add.magic_write &&
+ v3d_qpu_magic_waddr_is_sfu(inst->alu.add.waddr)) {
+ return true;
+ }
+
+ if (inst->alu.mul.magic_write &&
+ v3d_qpu_magic_waddr_is_sfu(inst->alu.mul.waddr)) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+bool
+v3d_qpu_writes_r5(const struct v3d_qpu_instr *inst)
+{
+ return inst->sig.ldvary || inst->sig.ldunif;
+}
+
+bool
+v3d_qpu_uses_mux(const struct v3d_qpu_instr *inst, enum v3d_qpu_mux mux)
+{
+ int add_nsrc = v3d_qpu_add_op_num_src(inst->alu.add.op);
+ int mul_nsrc = v3d_qpu_mul_op_num_src(inst->alu.mul.op);
+
+ return ((add_nsrc > 0 && inst->alu.add.a == mux) ||
+ (add_nsrc > 1 && inst->alu.add.b == mux) ||
+ (mul_nsrc > 0 && inst->alu.mul.a == mux) ||
+ (mul_nsrc > 1 && inst->alu.mul.b == mux));
+}