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1  /**************************************************************************
2   *
3   * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
4   * All Rights Reserved.
5   *
6   * Permission is hereby granted, free of charge, to any person obtaining a
7   * copy of this software and associated documentation files (the
8   * "Software"), to deal in the Software without restriction, including
9   * without limitation the rights to use, copy, modify, merge, publish,
10   * distribute, sub license, and/or sell copies of the Software, and to
11   * permit persons to whom the Software is furnished to do so, subject to
12   * the following conditions:
13   *
14   * The above copyright notice and this permission notice (including the
15   * next paragraph) shall be included in all copies or substantial portions
16   * of the Software.
17   *
18   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19   * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21   * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22   * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23   * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24   * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25   *
26   **************************************************************************/
27  
28  #include "util/u_debug.h"
29  #include "util/u_memory.h"
30  #include "tgsi_info.h"
31  
32  #define NONE TGSI_OUTPUT_NONE
33  #define COMP TGSI_OUTPUT_COMPONENTWISE
34  #define REPL TGSI_OUTPUT_REPLICATE
35  #define CHAN TGSI_OUTPUT_CHAN_DEPENDENT
36  #define OTHR TGSI_OUTPUT_OTHER
37  
38  static const struct tgsi_opcode_info opcode_info[TGSI_OPCODE_LAST] =
39  {
40     { 1, 1, 0, 0, 0, 0, COMP, "ARL", TGSI_OPCODE_ARL },
41     { 1, 1, 0, 0, 0, 0, COMP, "MOV", TGSI_OPCODE_MOV },
42     { 1, 1, 0, 0, 0, 0, CHAN, "LIT", TGSI_OPCODE_LIT },
43     { 1, 1, 0, 0, 0, 0, REPL, "RCP", TGSI_OPCODE_RCP },
44     { 1, 1, 0, 0, 0, 0, REPL, "RSQ", TGSI_OPCODE_RSQ },
45     { 1, 1, 0, 0, 0, 0, CHAN, "EXP", TGSI_OPCODE_EXP },
46     { 1, 1, 0, 0, 0, 0, CHAN, "LOG", TGSI_OPCODE_LOG },
47     { 1, 2, 0, 0, 0, 0, COMP, "MUL", TGSI_OPCODE_MUL },
48     { 1, 2, 0, 0, 0, 0, COMP, "ADD", TGSI_OPCODE_ADD },
49     { 1, 2, 0, 0, 0, 0, REPL, "DP3", TGSI_OPCODE_DP3 },
50     { 1, 2, 0, 0, 0, 0, REPL, "DP4", TGSI_OPCODE_DP4 },
51     { 1, 2, 0, 0, 0, 0, CHAN, "DST", TGSI_OPCODE_DST },
52     { 1, 2, 0, 0, 0, 0, COMP, "MIN", TGSI_OPCODE_MIN },
53     { 1, 2, 0, 0, 0, 0, COMP, "MAX", TGSI_OPCODE_MAX },
54     { 1, 2, 0, 0, 0, 0, COMP, "SLT", TGSI_OPCODE_SLT },
55     { 1, 2, 0, 0, 0, 0, COMP, "SGE", TGSI_OPCODE_SGE },
56     { 1, 3, 0, 0, 0, 0, COMP, "MAD", TGSI_OPCODE_MAD },
57     { 1, 2, 0, 0, 0, 0, COMP, "SUB", TGSI_OPCODE_SUB },
58     { 1, 3, 0, 0, 0, 0, COMP, "LRP", TGSI_OPCODE_LRP },
59     { 1, 3, 0, 0, 0, 0, COMP, "CND", TGSI_OPCODE_CND },
60     { 0, 0, 0, 0, 0, 0, NONE, "", 20 },      /* removed */
61     { 1, 3, 0, 0, 0, 0, REPL, "DP2A", TGSI_OPCODE_DP2A },
62     { 0, 0, 0, 0, 0, 0, NONE, "", 22 },      /* removed */
63     { 0, 0, 0, 0, 0, 0, NONE, "", 23 },      /* removed */
64     { 1, 1, 0, 0, 0, 0, COMP, "FRC", TGSI_OPCODE_FRC },
65     { 1, 3, 0, 0, 0, 0, COMP, "CLAMP", TGSI_OPCODE_CLAMP },
66     { 1, 1, 0, 0, 0, 0, COMP, "FLR", TGSI_OPCODE_FLR },
67     { 1, 1, 0, 0, 0, 0, COMP, "ROUND", TGSI_OPCODE_ROUND },
68     { 1, 1, 0, 0, 0, 0, REPL, "EX2", TGSI_OPCODE_EX2 },
69     { 1, 1, 0, 0, 0, 0, REPL, "LG2", TGSI_OPCODE_LG2 },
70     { 1, 2, 0, 0, 0, 0, REPL, "POW", TGSI_OPCODE_POW },
71     { 1, 2, 0, 0, 0, 0, COMP, "XPD", TGSI_OPCODE_XPD },
72     { 0, 0, 0, 0, 0, 0, NONE, "", 32 },      /* removed */
73     { 1, 1, 0, 0, 0, 0, COMP, "ABS", TGSI_OPCODE_ABS },
74     { 1, 1, 0, 0, 0, 0, REPL, "RCC", TGSI_OPCODE_RCC },
75     { 1, 2, 0, 0, 0, 0, REPL, "DPH", TGSI_OPCODE_DPH },
76     { 1, 1, 0, 0, 0, 0, REPL, "COS", TGSI_OPCODE_COS },
77     { 1, 1, 0, 0, 0, 0, COMP, "DDX", TGSI_OPCODE_DDX },
78     { 1, 1, 0, 0, 0, 0, COMP, "DDY", TGSI_OPCODE_DDY },
79     { 0, 0, 0, 0, 0, 0, NONE, "KILP", TGSI_OPCODE_KILP },
80     { 1, 1, 0, 0, 0, 0, COMP, "PK2H", TGSI_OPCODE_PK2H },
81     { 1, 1, 0, 0, 0, 0, COMP, "PK2US", TGSI_OPCODE_PK2US },
82     { 1, 1, 0, 0, 0, 0, COMP, "PK4B", TGSI_OPCODE_PK4B },
83     { 1, 1, 0, 0, 0, 0, COMP, "PK4UB", TGSI_OPCODE_PK4UB },
84     { 1, 2, 0, 0, 0, 0, COMP, "RFL", TGSI_OPCODE_RFL },
85     { 1, 2, 0, 0, 0, 0, COMP, "SEQ", TGSI_OPCODE_SEQ },
86     { 1, 2, 0, 0, 0, 0, REPL, "SFL", TGSI_OPCODE_SFL },
87     { 1, 2, 0, 0, 0, 0, COMP, "SGT", TGSI_OPCODE_SGT },
88     { 1, 1, 0, 0, 0, 0, REPL, "SIN", TGSI_OPCODE_SIN },
89     { 1, 2, 0, 0, 0, 0, COMP, "SLE", TGSI_OPCODE_SLE },
90     { 1, 2, 0, 0, 0, 0, COMP, "SNE", TGSI_OPCODE_SNE },
91     { 1, 2, 0, 0, 0, 0, REPL, "STR", TGSI_OPCODE_STR },
92     { 1, 2, 1, 0, 0, 0, OTHR, "TEX", TGSI_OPCODE_TEX },
93     { 1, 4, 1, 0, 0, 0, OTHR, "TXD", TGSI_OPCODE_TXD },
94     { 1, 2, 1, 0, 0, 0, OTHR, "TXP", TGSI_OPCODE_TXP },
95     { 1, 1, 0, 0, 0, 0, COMP, "UP2H", TGSI_OPCODE_UP2H },
96     { 1, 1, 0, 0, 0, 0, COMP, "UP2US", TGSI_OPCODE_UP2US },
97     { 1, 1, 0, 0, 0, 0, COMP, "UP4B", TGSI_OPCODE_UP4B },
98     { 1, 1, 0, 0, 0, 0, COMP, "UP4UB", TGSI_OPCODE_UP4UB },
99     { 1, 3, 0, 0, 0, 0, COMP, "X2D", TGSI_OPCODE_X2D },
100     { 1, 1, 0, 0, 0, 0, COMP, "ARA", TGSI_OPCODE_ARA },
101     { 1, 1, 0, 0, 0, 0, COMP, "ARR", TGSI_OPCODE_ARR },
102     { 0, 1, 0, 0, 0, 0, NONE, "BRA", TGSI_OPCODE_BRA },
103     { 0, 0, 0, 1, 0, 0, NONE, "CAL", TGSI_OPCODE_CAL },
104     { 0, 0, 0, 0, 0, 0, NONE, "RET", TGSI_OPCODE_RET },
105     { 1, 1, 0, 0, 0, 0, COMP, "SSG", TGSI_OPCODE_SSG },
106     { 1, 3, 0, 0, 0, 0, COMP, "CMP", TGSI_OPCODE_CMP },
107     { 1, 1, 0, 0, 0, 0, CHAN, "SCS", TGSI_OPCODE_SCS },
108     { 1, 2, 1, 0, 0, 0, OTHR, "TXB", TGSI_OPCODE_TXB },
109     { 1, 1, 0, 0, 0, 0, COMP, "NRM", TGSI_OPCODE_NRM },
110     { 1, 2, 0, 0, 0, 0, COMP, "DIV", TGSI_OPCODE_DIV },
111     { 1, 2, 0, 0, 0, 0, REPL, "DP2", TGSI_OPCODE_DP2 },
112     { 1, 2, 1, 0, 0, 0, OTHR, "TXL", TGSI_OPCODE_TXL },
113     { 0, 0, 0, 0, 0, 0, NONE, "BRK", TGSI_OPCODE_BRK },
114     { 0, 1, 0, 1, 0, 1, NONE, "IF", TGSI_OPCODE_IF },
115     { 1, 1, 0, 0, 0, 1, NONE, "", 75 },      /* removed */
116     { 0, 1, 0, 0, 0, 1, NONE, "", 76 },      /* removed */
117     { 0, 0, 0, 1, 1, 1, NONE, "ELSE", TGSI_OPCODE_ELSE },
118     { 0, 0, 0, 0, 1, 0, NONE, "ENDIF", TGSI_OPCODE_ENDIF },
119     { 1, 0, 0, 0, 1, 0, NONE, "", 79 },      /* removed */
120     { 0, 0, 0, 0, 1, 0, NONE, "", 80 },      /* removed */
121     { 0, 1, 0, 0, 0, 0, NONE, "PUSHA", TGSI_OPCODE_PUSHA },
122     { 1, 0, 0, 0, 0, 0, NONE, "POPA", TGSI_OPCODE_POPA },
123     { 1, 1, 0, 0, 0, 0, COMP, "CEIL", TGSI_OPCODE_CEIL },
124     { 1, 1, 0, 0, 0, 0, COMP, "I2F", TGSI_OPCODE_I2F },
125     { 1, 1, 0, 0, 0, 0, COMP, "NOT", TGSI_OPCODE_NOT },
126     { 1, 1, 0, 0, 0, 0, COMP, "TRUNC", TGSI_OPCODE_TRUNC },
127     { 1, 2, 0, 0, 0, 0, COMP, "SHL", TGSI_OPCODE_SHL },
128     { 0, 0, 0, 0, 0, 0, NONE, "", 88 },      /* removed */
129     { 1, 2, 0, 0, 0, 0, COMP, "AND", TGSI_OPCODE_AND },
130     { 1, 2, 0, 0, 0, 0, COMP, "OR", TGSI_OPCODE_OR },
131     { 1, 2, 0, 0, 0, 0, COMP, "MOD", TGSI_OPCODE_MOD },
132     { 1, 2, 0, 0, 0, 0, COMP, "XOR", TGSI_OPCODE_XOR },
133     { 1, 3, 0, 0, 0, 0, COMP, "SAD", TGSI_OPCODE_SAD },
134     { 1, 2, 1, 0, 0, 0, OTHR, "TXF", TGSI_OPCODE_TXF },
135     { 1, 2, 1, 0, 0, 0, OTHR, "TXQ", TGSI_OPCODE_TXQ },
136     { 0, 0, 0, 0, 0, 0, NONE, "CONT", TGSI_OPCODE_CONT },
137     { 0, 0, 0, 0, 0, 0, NONE, "EMIT", TGSI_OPCODE_EMIT },
138     { 0, 0, 0, 0, 0, 0, NONE, "ENDPRIM", TGSI_OPCODE_ENDPRIM },
139     { 0, 0, 0, 1, 0, 1, NONE, "BGNLOOP", TGSI_OPCODE_BGNLOOP },
140     { 0, 0, 0, 0, 0, 1, NONE, "BGNSUB", TGSI_OPCODE_BGNSUB },
141     { 0, 0, 0, 1, 1, 0, NONE, "ENDLOOP", TGSI_OPCODE_ENDLOOP },
142     { 0, 0, 0, 0, 1, 0, NONE, "ENDSUB", TGSI_OPCODE_ENDSUB },
143     { 1, 1, 1, 0, 0, 0, OTHR, "TXQ_LZ", TGSI_OPCODE_TXQ_LZ },
144     { 0, 0, 0, 0, 0, 0, NONE, "", 104 },     /* removed */
145     { 0, 0, 0, 0, 0, 0, NONE, "", 105 },     /* removed */
146     { 0, 0, 0, 0, 0, 0, NONE, "", 106 },     /* removed */
147     { 0, 0, 0, 0, 0, 0, NONE, "NOP", TGSI_OPCODE_NOP },
148     { 0, 0, 0, 0, 0, 0, NONE, "", 108 },     /* removed */
149     { 0, 0, 0, 0, 0, 0, NONE, "", 109 },     /* removed */
150     { 0, 0, 0, 0, 0, 0, NONE, "", 110 },     /* removed */
151     { 0, 0, 0, 0, 0, 0, NONE, "", 111 },     /* removed */
152     { 1, 1, 0, 0, 0, 0, REPL, "NRM4", TGSI_OPCODE_NRM4 },
153     { 0, 1, 0, 0, 0, 0, NONE, "CALLNZ", TGSI_OPCODE_CALLNZ },
154     { 0, 1, 0, 0, 0, 0, NONE, "IFC", TGSI_OPCODE_IFC },
155     { 0, 1, 0, 0, 0, 0, NONE, "BREAKC", TGSI_OPCODE_BREAKC },
156     { 0, 1, 0, 0, 0, 0, NONE, "KIL", TGSI_OPCODE_KIL },
157     { 0, 0, 0, 0, 0, 0, NONE, "END", TGSI_OPCODE_END },
158     { 0, 0, 0, 0, 0, 0, NONE, "", 118 },     /* removed */
159     { 1, 1, 0, 0, 0, 0, COMP, "F2I", TGSI_OPCODE_F2I },
160     { 1, 2, 0, 0, 0, 0, COMP, "IDIV", TGSI_OPCODE_IDIV },
161     { 1, 2, 0, 0, 0, 0, COMP, "IMAX", TGSI_OPCODE_IMAX },
162     { 1, 2, 0, 0, 0, 0, COMP, "IMIN", TGSI_OPCODE_IMIN },
163     { 1, 1, 0, 0, 0, 0, COMP, "INEG", TGSI_OPCODE_INEG },
164     { 1, 2, 0, 0, 0, 0, COMP, "ISGE", TGSI_OPCODE_ISGE },
165     { 1, 2, 0, 0, 0, 0, COMP, "ISHR", TGSI_OPCODE_ISHR },
166     { 1, 2, 0, 0, 0, 0, COMP, "ISLT", TGSI_OPCODE_ISLT },
167     { 1, 1, 0, 0, 0, 0, COMP, "F2U", TGSI_OPCODE_F2U },
168     { 1, 1, 0, 0, 0, 0, COMP, "U2F", TGSI_OPCODE_U2F },
169     { 1, 2, 0, 0, 0, 0, COMP, "UADD", TGSI_OPCODE_UADD },
170     { 1, 2, 0, 0, 0, 0, COMP, "UDIV", TGSI_OPCODE_UDIV },
171     { 1, 3, 0, 0, 0, 0, COMP, "UMAD", TGSI_OPCODE_UMAD },
172     { 1, 2, 0, 0, 0, 0, COMP, "UMAX", TGSI_OPCODE_UMAX },
173     { 1, 2, 0, 0, 0, 0, COMP, "UMIN", TGSI_OPCODE_UMIN },
174     { 1, 2, 0, 0, 0, 0, COMP, "UMOD", TGSI_OPCODE_UMOD },
175     { 1, 2, 0, 0, 0, 0, COMP, "UMUL", TGSI_OPCODE_UMUL },
176     { 1, 2, 0, 0, 0, 0, COMP, "USEQ", TGSI_OPCODE_USEQ },
177     { 1, 2, 0, 0, 0, 0, COMP, "USGE", TGSI_OPCODE_USGE },
178     { 1, 2, 0, 0, 0, 0, COMP, "USHR", TGSI_OPCODE_USHR },
179     { 1, 2, 0, 0, 0, 0, COMP, "USLT", TGSI_OPCODE_USLT },
180     { 1, 2, 0, 0, 0, 0, COMP, "USNE", TGSI_OPCODE_USNE },
181     { 0, 1, 0, 0, 0, 0, NONE, "SWITCH", TGSI_OPCODE_SWITCH },
182     { 0, 1, 0, 0, 0, 0, NONE, "CASE", TGSI_OPCODE_CASE },
183     { 0, 0, 0, 0, 0, 0, NONE, "DEFAULT", TGSI_OPCODE_DEFAULT },
184     { 0, 0, 0, 0, 0, 0, NONE, "ENDSWITCH", TGSI_OPCODE_ENDSWITCH },
185  
186     { 1, 3, 0, 0, 0, 0, OTHR, "SAMPLE",      TGSI_OPCODE_SAMPLE },
187     { 1, 2, 0, 0, 0, 0, OTHR, "SAMPLE_I",    TGSI_OPCODE_SAMPLE_I },
188     { 1, 2, 0, 0, 0, 0, OTHR, "SAMPLE_I_MS", TGSI_OPCODE_SAMPLE_I_MS },
189     { 1, 4, 0, 0, 0, 0, OTHR, "SAMPLE_B",    TGSI_OPCODE_SAMPLE_B },
190     { 1, 4, 0, 0, 0, 0, OTHR, "SAMPLE_C",    TGSI_OPCODE_SAMPLE_C },
191     { 1, 4, 0, 0, 0, 0, OTHR, "SAMPLE_C_LZ", TGSI_OPCODE_SAMPLE_C_LZ },
192     { 1, 5, 0, 0, 0, 0, OTHR, "SAMPLE_D",    TGSI_OPCODE_SAMPLE_D },
193     { 1, 3, 0, 0, 0, 0, OTHR, "SAMPLE_L",    TGSI_OPCODE_SAMPLE_L },
194     { 1, 3, 0, 0, 0, 0, OTHR, "GATHER4",     TGSI_OPCODE_GATHER4 },
195     { 1, 2, 0, 0, 0, 0, OTHR, "SVIEWINFO",   TGSI_OPCODE_SVIEWINFO },
196     { 1, 2, 0, 0, 0, 0, OTHR, "SAMPLE_POS",  TGSI_OPCODE_SAMPLE_POS },
197     { 1, 2, 0, 0, 0, 0, OTHR, "SAMPLE_INFO", TGSI_OPCODE_SAMPLE_INFO },
198     { 1, 1, 0, 0, 0, 0, COMP, "UARL", TGSI_OPCODE_UARL },
199     { 1, 3, 0, 0, 0, 0, COMP, "UCMP", TGSI_OPCODE_UCMP },
200     { 1, 1, 0, 0, 0, 0, COMP, "IABS", TGSI_OPCODE_IABS },
201     { 1, 1, 0, 0, 0, 0, COMP, "ISSG", TGSI_OPCODE_ISSG },
202     { 1, 2, 0, 0, 0, 0, OTHR, "LOAD", TGSI_OPCODE_LOAD },
203     { 1, 2, 0, 0, 0, 0, OTHR, "STORE", TGSI_OPCODE_STORE },
204     { 1, 0, 0, 0, 0, 0, OTHR, "MFENCE", TGSI_OPCODE_MFENCE },
205     { 1, 0, 0, 0, 0, 0, OTHR, "LFENCE", TGSI_OPCODE_LFENCE },
206     { 1, 0, 0, 0, 0, 0, OTHR, "SFENCE", TGSI_OPCODE_SFENCE },
207     { 0, 0, 0, 0, 0, 0, OTHR, "BARRIER", TGSI_OPCODE_BARRIER },
208  
209     { 1, 3, 0, 0, 0, 0, OTHR, "ATOMUADD", TGSI_OPCODE_ATOMUADD },
210     { 1, 3, 0, 0, 0, 0, OTHR, "ATOMXCHG", TGSI_OPCODE_ATOMXCHG },
211     { 1, 4, 0, 0, 0, 0, OTHR, "ATOMCAS", TGSI_OPCODE_ATOMCAS },
212     { 1, 3, 0, 0, 0, 0, OTHR, "ATOMAND", TGSI_OPCODE_ATOMAND },
213     { 1, 3, 0, 0, 0, 0, OTHR, "ATOMOR", TGSI_OPCODE_ATOMOR },
214     { 1, 3, 0, 0, 0, 0, OTHR, "ATOMXOR", TGSI_OPCODE_ATOMXOR },
215     { 1, 3, 0, 0, 0, 0, OTHR, "ATOMUMIN", TGSI_OPCODE_ATOMUMIN },
216     { 1, 3, 0, 0, 0, 0, OTHR, "ATOMUMAX", TGSI_OPCODE_ATOMUMAX },
217     { 1, 3, 0, 0, 0, 0, OTHR, "ATOMIMIN", TGSI_OPCODE_ATOMIMIN },
218     { 1, 3, 0, 0, 0, 0, OTHR, "ATOMIMAX", TGSI_OPCODE_ATOMIMAX }
219  };
220  
221  const struct tgsi_opcode_info *
tgsi_get_opcode_info(uint opcode)222  tgsi_get_opcode_info( uint opcode )
223  {
224     static boolean firsttime = 1;
225  
226     if (firsttime) {
227        unsigned i;
228        firsttime = 0;
229        for (i = 0; i < Elements(opcode_info); i++)
230           assert(opcode_info[i].opcode == i);
231     }
232  
233     if (opcode < TGSI_OPCODE_LAST)
234        return &opcode_info[opcode];
235  
236     assert( 0 );
237     return NULL;
238  }
239  
240  
241  const char *
tgsi_get_opcode_name(uint opcode)242  tgsi_get_opcode_name( uint opcode )
243  {
244     const struct tgsi_opcode_info *info = tgsi_get_opcode_info(opcode);
245     return info->mnemonic;
246  }
247  
248  
249  const char *
tgsi_get_processor_name(uint processor)250  tgsi_get_processor_name( uint processor )
251  {
252     switch (processor) {
253     case TGSI_PROCESSOR_VERTEX:
254        return "vertex shader";
255     case TGSI_PROCESSOR_FRAGMENT:
256        return "fragment shader";
257     case TGSI_PROCESSOR_GEOMETRY:
258        return "geometry shader";
259     default:
260        return "unknown shader type!";
261     }
262  }
263  
264  /*
265   * infer the source type of a TGSI opcode.
266   * MOV is special so return VOID
267   */
268  enum tgsi_opcode_type
tgsi_opcode_infer_src_type(uint opcode)269  tgsi_opcode_infer_src_type( uint opcode )
270  {
271     switch (opcode) {
272     case TGSI_OPCODE_MOV:
273        return TGSI_TYPE_UNTYPED;
274     case TGSI_OPCODE_AND:
275     case TGSI_OPCODE_OR:
276     case TGSI_OPCODE_XOR:
277     case TGSI_OPCODE_SAD:
278     case TGSI_OPCODE_U2F:
279     case TGSI_OPCODE_UADD:
280     case TGSI_OPCODE_UDIV:
281     case TGSI_OPCODE_UMOD:
282     case TGSI_OPCODE_UMAD:
283     case TGSI_OPCODE_UMUL:
284     case TGSI_OPCODE_UMAX:
285     case TGSI_OPCODE_UMIN:
286     case TGSI_OPCODE_USEQ:
287     case TGSI_OPCODE_USGE:
288     case TGSI_OPCODE_USLT:
289     case TGSI_OPCODE_USNE:
290     case TGSI_OPCODE_USHR:
291     case TGSI_OPCODE_SHL:
292     case TGSI_OPCODE_TXQ:
293        return TGSI_TYPE_UNSIGNED;
294     case TGSI_OPCODE_MOD:
295     case TGSI_OPCODE_I2F:
296     case TGSI_OPCODE_IDIV:
297     case TGSI_OPCODE_IMAX:
298     case TGSI_OPCODE_IMIN:
299     case TGSI_OPCODE_INEG:
300     case TGSI_OPCODE_ISGE:
301     case TGSI_OPCODE_ISHR:
302     case TGSI_OPCODE_ISLT:
303     case TGSI_OPCODE_IABS:
304     case TGSI_OPCODE_ISSG:
305     case TGSI_OPCODE_UARL:
306        return TGSI_TYPE_SIGNED;
307     default:
308        return TGSI_TYPE_FLOAT;
309     }
310  }
311  
312  /*
313   * infer the destination type of a TGSI opcode.
314   * MOV is special so return VOID
315   */
316  enum tgsi_opcode_type
tgsi_opcode_infer_dst_type(uint opcode)317  tgsi_opcode_infer_dst_type( uint opcode )
318  {
319     switch (opcode) {
320     case TGSI_OPCODE_MOV:
321        return TGSI_TYPE_UNTYPED;
322     case TGSI_OPCODE_F2U:
323     case TGSI_OPCODE_AND:
324     case TGSI_OPCODE_OR:
325     case TGSI_OPCODE_XOR:
326     case TGSI_OPCODE_SAD:
327     case TGSI_OPCODE_UADD:
328     case TGSI_OPCODE_UDIV:
329     case TGSI_OPCODE_UMOD:
330     case TGSI_OPCODE_UMAD:
331     case TGSI_OPCODE_UMUL:
332     case TGSI_OPCODE_UMAX:
333     case TGSI_OPCODE_UMIN:
334     case TGSI_OPCODE_USEQ:
335     case TGSI_OPCODE_USGE:
336     case TGSI_OPCODE_USLT:
337     case TGSI_OPCODE_USNE:
338     case TGSI_OPCODE_USHR:
339     case TGSI_OPCODE_SHL:
340     case TGSI_OPCODE_TXQ:
341     case TGSI_OPCODE_TXQ_LZ:
342        return TGSI_TYPE_UNSIGNED;
343     case TGSI_OPCODE_F2I:
344     case TGSI_OPCODE_IDIV:
345     case TGSI_OPCODE_IMAX:
346     case TGSI_OPCODE_IMIN:
347     case TGSI_OPCODE_INEG:
348     case TGSI_OPCODE_ISGE:
349     case TGSI_OPCODE_ISHR:
350     case TGSI_OPCODE_ISLT:
351     case TGSI_OPCODE_MOD:
352     case TGSI_OPCODE_UARL:
353     case TGSI_OPCODE_ARL:
354     case TGSI_OPCODE_ARR:
355     case TGSI_OPCODE_IABS:
356     case TGSI_OPCODE_ISSG:
357        return TGSI_TYPE_SIGNED;
358     default:
359        return TGSI_TYPE_FLOAT;
360     }
361  }
362