tgsi_info.c revision 13e2e51f7058dff01281050db1b64639ad3b399e
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
38static 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   { 0, 0, 0, 0, 0, 0, NONE, "", 103 },     /* removed */
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, 2, 0, 0, 0, 0, OTHR, "LOAD",        TGSI_OPCODE_LOAD },
187   { 1, 2, 0, 0, 0, 0, OTHR, "LOAD_MS",     TGSI_OPCODE_LOAD_MS },
188   { 1, 3, 0, 0, 0, 0, OTHR, "SAMPLE",      TGSI_OPCODE_SAMPLE },
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, "RESINFO",     TGSI_OPCODE_RESINFO },
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};
203
204const struct tgsi_opcode_info *
205tgsi_get_opcode_info( uint opcode )
206{
207   static boolean firsttime = 1;
208
209   if (firsttime) {
210      unsigned i;
211      firsttime = 0;
212      for (i = 0; i < Elements(opcode_info); i++)
213         assert(opcode_info[i].opcode == i);
214   }
215
216   if (opcode < TGSI_OPCODE_LAST)
217      return &opcode_info[opcode];
218
219   assert( 0 );
220   return NULL;
221}
222
223
224const char *
225tgsi_get_opcode_name( uint opcode )
226{
227   const struct tgsi_opcode_info *info = tgsi_get_opcode_info(opcode);
228   return info->mnemonic;
229}
230
231
232const char *
233tgsi_get_processor_name( uint processor )
234{
235   switch (processor) {
236   case TGSI_PROCESSOR_VERTEX:
237      return "vertex shader";
238   case TGSI_PROCESSOR_FRAGMENT:
239      return "fragment shader";
240   case TGSI_PROCESSOR_GEOMETRY:
241      return "geometry shader";
242   default:
243      return "unknown shader type!";
244   }
245}
246
247/*
248 * infer the source type of a TGSI opcode.
249 * MOV is special so return VOID
250 */
251enum tgsi_opcode_type
252tgsi_opcode_infer_src_type( uint opcode )
253{
254   switch (opcode) {
255   case TGSI_OPCODE_MOV:
256      return TGSI_TYPE_UNTYPED;
257   case TGSI_OPCODE_AND:
258   case TGSI_OPCODE_OR:
259   case TGSI_OPCODE_XOR:
260   case TGSI_OPCODE_SAD:
261   case TGSI_OPCODE_U2F:
262   case TGSI_OPCODE_UADD:
263   case TGSI_OPCODE_UDIV:
264   case TGSI_OPCODE_UMOD:
265   case TGSI_OPCODE_UMAD:
266   case TGSI_OPCODE_UMUL:
267   case TGSI_OPCODE_UMAX:
268   case TGSI_OPCODE_UMIN:
269   case TGSI_OPCODE_USEQ:
270   case TGSI_OPCODE_USGE:
271   case TGSI_OPCODE_USLT:
272   case TGSI_OPCODE_USNE:
273   case TGSI_OPCODE_USHR:
274   case TGSI_OPCODE_SHL:
275   case TGSI_OPCODE_TXQ:
276      return TGSI_TYPE_UNSIGNED;
277   case TGSI_OPCODE_MOD:
278   case TGSI_OPCODE_I2F:
279   case TGSI_OPCODE_IDIV:
280   case TGSI_OPCODE_IMAX:
281   case TGSI_OPCODE_IMIN:
282   case TGSI_OPCODE_INEG:
283   case TGSI_OPCODE_ISGE:
284   case TGSI_OPCODE_ISHR:
285   case TGSI_OPCODE_ISLT:
286   case TGSI_OPCODE_IABS:
287   case TGSI_OPCODE_ISSG:
288   case TGSI_OPCODE_UARL:
289      return TGSI_TYPE_SIGNED;
290   default:
291      return TGSI_TYPE_FLOAT;
292   }
293}
294
295/*
296 * infer the destination type of a TGSI opcode.
297 * MOV is special so return VOID
298 */
299enum tgsi_opcode_type
300tgsi_opcode_infer_dst_type( uint opcode )
301{
302   switch (opcode) {
303   case TGSI_OPCODE_MOV:
304      return TGSI_TYPE_UNTYPED;
305   case TGSI_OPCODE_F2U:
306   case TGSI_OPCODE_AND:
307   case TGSI_OPCODE_OR:
308   case TGSI_OPCODE_XOR:
309   case TGSI_OPCODE_SAD:
310   case TGSI_OPCODE_UADD:
311   case TGSI_OPCODE_UDIV:
312   case TGSI_OPCODE_UMOD:
313   case TGSI_OPCODE_UMAD:
314   case TGSI_OPCODE_UMUL:
315   case TGSI_OPCODE_UMAX:
316   case TGSI_OPCODE_UMIN:
317   case TGSI_OPCODE_USEQ:
318   case TGSI_OPCODE_USGE:
319   case TGSI_OPCODE_USLT:
320   case TGSI_OPCODE_USNE:
321   case TGSI_OPCODE_USHR:
322   case TGSI_OPCODE_SHL:
323   case TGSI_OPCODE_TXQ:
324      return TGSI_TYPE_UNSIGNED;
325   case TGSI_OPCODE_F2I:
326   case TGSI_OPCODE_IDIV:
327   case TGSI_OPCODE_IMAX:
328   case TGSI_OPCODE_IMIN:
329   case TGSI_OPCODE_INEG:
330   case TGSI_OPCODE_ISGE:
331   case TGSI_OPCODE_ISHR:
332   case TGSI_OPCODE_ISLT:
333   case TGSI_OPCODE_MOD:
334   case TGSI_OPCODE_UARL:
335   case TGSI_OPCODE_ARL:
336   case TGSI_OPCODE_IABS:
337   case TGSI_OPCODE_ISSG:
338      return TGSI_TYPE_SIGNED;
339   default:
340      return TGSI_TYPE_FLOAT;
341   }
342}
343