[Mesa-dev] [PATCH 4/7] i965/disasm: Split opcode tables by the generation they were introduced in.
Francisco Jerez
currojerez at riseup.net
Thu Apr 28 07:19:15 UTC 2016
---
src/mesa/drivers/dri/i965/brw_disasm.c | 90 ++++++++++++++++++++++++++--------
1 file changed, 69 insertions(+), 21 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_disasm.c b/src/mesa/drivers/dri/i965/brw_disasm.c
index 15d9383..0125434 100644
--- a/src/mesa/drivers/dri/i965/brw_disasm.c
+++ b/src/mesa/drivers/dri/i965/brw_disasm.c
@@ -30,9 +30,8 @@
#include "brw_inst.h"
#include "brw_eu.h"
-static const struct opcode_desc opcode_descs[128] = {
+static const struct opcode_desc gen4_opcode_descs[128] = {
[BRW_OPCODE_MOV] = { .name = "mov", .nsrc = 1, .ndst = 1 },
- [BRW_OPCODE_MOVI] = { .name = "movi", .nsrc = 2, .ndst = 1 },
[BRW_OPCODE_FRC] = { .name = "frc", .nsrc = 1, .ndst = 1 },
[BRW_OPCODE_RNDU] = { .name = "rndu", .nsrc = 1, .ndst = 1 },
[BRW_OPCODE_RNDD] = { .name = "rndd", .nsrc = 1, .ndst = 1 },
@@ -40,27 +39,17 @@ static const struct opcode_desc opcode_descs[128] = {
[BRW_OPCODE_RNDZ] = { .name = "rndz", .nsrc = 1, .ndst = 1 },
[BRW_OPCODE_NOT] = { .name = "not", .nsrc = 1, .ndst = 1 },
[BRW_OPCODE_LZD] = { .name = "lzd", .nsrc = 1, .ndst = 1 },
- [BRW_OPCODE_F32TO16] = { .name = "f32to16", .nsrc = 1, .ndst = 1 },
- [BRW_OPCODE_F16TO32] = { .name = "f16to32", .nsrc = 1, .ndst = 1 },
- [BRW_OPCODE_BFREV] = { .name = "bfrev", .nsrc = 1, .ndst = 1 },
- [BRW_OPCODE_FBH] = { .name = "fbh", .nsrc = 1, .ndst = 1 },
- [BRW_OPCODE_FBL] = { .name = "fbl", .nsrc = 1, .ndst = 1 },
- [BRW_OPCODE_CBIT] = { .name = "cbit", .nsrc = 1, .ndst = 1 },
[BRW_OPCODE_MUL] = { .name = "mul", .nsrc = 2, .ndst = 1 },
[BRW_OPCODE_MAC] = { .name = "mac", .nsrc = 2, .ndst = 1 },
[BRW_OPCODE_MACH] = { .name = "mach", .nsrc = 2, .ndst = 1 },
[BRW_OPCODE_LINE] = { .name = "line", .nsrc = 2, .ndst = 1 },
- [BRW_OPCODE_PLN] = { .name = "pln", .nsrc = 2, .ndst = 1 },
- [BRW_OPCODE_MAD] = { .name = "mad", .nsrc = 3, .ndst = 1 },
- [BRW_OPCODE_LRP] = { .name = "lrp", .nsrc = 3, .ndst = 1 },
[BRW_OPCODE_SAD2] = { .name = "sad2", .nsrc = 2, .ndst = 1 },
[BRW_OPCODE_SADA2] = { .name = "sada2", .nsrc = 2, .ndst = 1 },
[BRW_OPCODE_DP4] = { .name = "dp4", .nsrc = 2, .ndst = 1 },
[BRW_OPCODE_DPH] = { .name = "dph", .nsrc = 2, .ndst = 1 },
[BRW_OPCODE_DP3] = { .name = "dp3", .nsrc = 2, .ndst = 1 },
[BRW_OPCODE_DP2] = { .name = "dp2", .nsrc = 2, .ndst = 1 },
- [BRW_OPCODE_MATH] = { .name = "math", .nsrc = 2, .ndst = 1 },
[BRW_OPCODE_AVG] = { .name = "avg", .nsrc = 2, .ndst = 1 },
[BRW_OPCODE_ADD] = { .name = "add", .nsrc = 2, .ndst = 1 },
@@ -73,17 +62,9 @@ static const struct opcode_desc opcode_descs[128] = {
[BRW_OPCODE_ASR] = { .name = "asr", .nsrc = 2, .ndst = 1 },
[BRW_OPCODE_CMP] = { .name = "cmp", .nsrc = 2, .ndst = 1 },
[BRW_OPCODE_CMPN] = { .name = "cmpn", .nsrc = 2, .ndst = 1 },
- [BRW_OPCODE_CSEL] = { .name = "csel", .nsrc = 3, .ndst = 1 },
- [BRW_OPCODE_BFE] = { .name = "bfe", .nsrc = 3, .ndst = 1 },
- [BRW_OPCODE_BFI1] = { .name = "bfi1", .nsrc = 2, .ndst = 1 },
- [BRW_OPCODE_BFI2] = { .name = "bfi2", .nsrc = 3, .ndst = 1 },
- [BRW_OPCODE_ADDC] = { .name = "addc", .nsrc = 2, .ndst = 1 },
- [BRW_OPCODE_SUBB] = { .name = "subb", .nsrc = 2, .ndst = 1 },
[BRW_OPCODE_SEND] = { .name = "send", .nsrc = 1, .ndst = 1 },
[BRW_OPCODE_SENDC] = { .name = "sendc", .nsrc = 1, .ndst = 1 },
- [BRW_OPCODE_SENDS] = { .name = "sends", .nsrc = 2, .ndst = 1 },
- [BRW_OPCODE_SENDSC] = { .name = "sendsc", .nsrc = 2, .ndst = 1 },
[BRW_OPCODE_ILLEGAL] = { .name = "illegal", .nsrc = 0, .ndst = 0 },
[BRW_OPCODE_NOP] = { .name = "nop", .nsrc = 0, .ndst = 0 },
[BRW_OPCODE_NENOP] = { .name = "nenop", .nsrc = 0, .ndst = 0 },
@@ -104,6 +85,70 @@ static const struct opcode_desc opcode_descs[128] = {
[BRW_OPCODE_ENDIF] = { .name = "endif", .nsrc = 0, .ndst = 0 },
};
+static const struct opcode_desc g45_opcode_descs[128] = {
+ [BRW_OPCODE_MOVI] = { .name = "movi", .nsrc = 2, .ndst = 1 },
+ [BRW_OPCODE_PLN] = { .name = "pln", .nsrc = 2, .ndst = 1 },
+};
+
+static const struct opcode_desc gen6_opcode_descs[128] = {
+ [BRW_OPCODE_MATH] = { .name = "math", .nsrc = 2, .ndst = 1 },
+ [BRW_OPCODE_MAD] = { .name = "mad", .nsrc = 3, .ndst = 1 },
+ [BRW_OPCODE_LRP] = { .name = "lrp", .nsrc = 3, .ndst = 1 },
+};
+
+static const struct opcode_desc gen7_opcode_descs[128] = {
+ [BRW_OPCODE_F32TO16] = { .name = "f32to16", .nsrc = 1, .ndst = 1 },
+ [BRW_OPCODE_F16TO32] = { .name = "f16to32", .nsrc = 1, .ndst = 1 },
+ [BRW_OPCODE_BFREV] = { .name = "bfrev", .nsrc = 1, .ndst = 1 },
+ [BRW_OPCODE_BFE] = { .name = "bfe", .nsrc = 3, .ndst = 1 },
+ [BRW_OPCODE_BFI1] = { .name = "bfi1", .nsrc = 2, .ndst = 1 },
+ [BRW_OPCODE_BFI2] = { .name = "bfi2", .nsrc = 3, .ndst = 1 },
+ [BRW_OPCODE_FBH] = { .name = "fbh", .nsrc = 1, .ndst = 1 },
+ [BRW_OPCODE_FBL] = { .name = "fbl", .nsrc = 1, .ndst = 1 },
+ [BRW_OPCODE_CBIT] = { .name = "cbit", .nsrc = 1, .ndst = 1 },
+ [BRW_OPCODE_ADDC] = { .name = "addc", .nsrc = 2, .ndst = 1 },
+ [BRW_OPCODE_SUBB] = { .name = "subb", .nsrc = 2, .ndst = 1 },
+};
+
+static const struct opcode_desc gen8_opcode_descs[128] = {
+ [BRW_OPCODE_CSEL] = { .name = "csel", .nsrc = 3, .ndst = 1 },
+};
+
+static const struct opcode_desc gen9_opcode_descs[128] = {
+ [BRW_OPCODE_SENDS] = { .name = "sends", .nsrc = 2, .ndst = 1 },
+ [BRW_OPCODE_SENDSC] = { .name = "sendsc", .nsrc = 2, .ndst = 1 },
+};
+
+/**
+ * Return the most recent generation-specific instruction table that
+ * (re)defined the meaning of a given opcode number.
+ */
+static const struct opcode_desc *
+opcode_desc_table_for(const struct brw_device_info *devinfo, enum opcode opcode)
+{
+ if (devinfo->gen >= 9 && gen9_opcode_descs[opcode].name)
+ return gen9_opcode_descs;
+
+ else if (devinfo->gen >= 8 && gen8_opcode_descs[opcode].name)
+ return gen8_opcode_descs;
+
+ else if (devinfo->gen >= 7 && gen7_opcode_descs[opcode].name)
+ return gen7_opcode_descs;
+
+ else if (devinfo->gen >= 6 && gen6_opcode_descs[opcode].name)
+ return gen6_opcode_descs;
+
+ else if ((devinfo->gen >= 5 || devinfo->is_g4x) &&
+ g45_opcode_descs[opcode].name)
+ return g45_opcode_descs;
+
+ else if (gen4_opcode_descs[opcode].name)
+ return gen4_opcode_descs;
+
+ else
+ return NULL;
+}
+
/* Return the matching opcode_desc for the specified opcode number and
* hardware generation, or NULL if the opcode is not supported by the device.
* XXX -- Actually check whether the opcode is supported.
@@ -111,7 +156,10 @@ static const struct opcode_desc opcode_descs[128] = {
const struct opcode_desc *
brw_opcode_desc(const struct brw_device_info *devinfo, enum opcode opcode)
{
- if (opcode_descs[opcode].name)
+ const struct opcode_desc *opcode_descs =
+ opcode_desc_table_for(devinfo, opcode);
+
+ if (opcode_descs)
return &opcode_descs[opcode];
else
return NULL;
--
2.7.3
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