From: Michal Krol <michal@tungstengraphics.com>
Date: Sun, 20 Jul 2008 19:38:20 +0000 (+0200)
Subject: tgsi: Add support for branch instructions with target labels.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9d068d4b90813d5afa243d669e8437b8922ac656;p=mesa.git

tgsi: Add support for branch instructions with target labels.
---

diff --git a/src/gallium/auxiliary/tgsi/util/tgsi_text.c b/src/gallium/auxiliary/tgsi/util/tgsi_text.c
index 2a503154630..442016104b8 100644
--- a/src/gallium/auxiliary/tgsi/util/tgsi_text.c
+++ b/src/gallium/auxiliary/tgsi/util/tgsi_text.c
@@ -687,130 +687,131 @@ struct opcode_info
    uint num_dst;
    uint num_src;
    uint is_tex;
+   uint is_branch;
    const char *mnemonic;
 };
 
 static const struct opcode_info opcode_info[TGSI_OPCODE_LAST] =
 {
-   { 1, 1, 0, "ARL" },
-   { 1, 1, 0, "MOV" },
-   { 1, 1, 0, "LIT" },
-   { 1, 1, 0, "RCP" },
-   { 1, 1, 0, "RSQ" },
-   { 1, 1, 0, "EXP" },
-   { 1, 1, 0, "LOG" },
-   { 1, 2, 0, "MUL" },
-   { 1, 2, 0, "ADD" },
-   { 1, 2, 0, "DP3" },
-   { 1, 2, 0, "DP4" },
-   { 1, 2, 0, "DST" },
-   { 1, 2, 0, "MIN" },
-   { 1, 2, 0, "MAX" },
-   { 1, 2, 0, "SLT" },
-   { 1, 2, 0, "SGE" },
-   { 1, 3, 0, "MAD" },
-   { 1, 2, 0, "SUB" },
-   { 1, 3, 0, "LERP" },
-   { 1, 3, 0, "CND" },
-   { 1, 3, 0, "CND0" },
-   { 1, 3, 0, "DOT2ADD" },
-   { 1, 2, 0, "INDEX" },
-   { 1, 1, 0, "NEGATE" },
-   { 1, 1, 0, "FRAC" },
-   { 1, 3, 0, "CLAMP" },
-   { 1, 1, 0, "FLOOR" },
-   { 1, 1, 0, "ROUND" },
-   { 1, 1, 0, "EXPBASE2" },
-   { 1, 1, 0, "LOGBASE2" },
-   { 1, 2, 0, "POWER" },
-   { 1, 2, 0, "CROSSPRODUCT" },
-   { 1, 2, 0, "MULTIPLYMATRIX" },
-   { 1, 1, 0, "ABS" },
-   { 1, 1, 0, "RCC" },
-   { 1, 2, 0, "DPH" },
-   { 1, 1, 0, "COS" },
-   { 1, 1, 0, "DDX" },
-   { 1, 1, 0, "DDY" },
-   { 0, 1, 0, "KILP" },
-   { 1, 1, 0, "PK2H" },
-   { 1, 1, 0, "PK2US" },
-   { 1, 1, 0, "PK4B" },
-   { 1, 1, 0, "PK4UB" },
-   { 1, 2, 0, "RFL" },
-   { 1, 2, 0, "SEQ" },
-   { 1, 2, 0, "SFL" },
-   { 1, 2, 0, "SGT" },
-   { 1, 1, 0, "SIN" },
-   { 1, 2, 0, "SLE" },
-   { 1, 2, 0, "SNE" },
-   { 1, 2, 0, "STR" },
-   { 1, 2, 1, "TEX" },
-   { 1, 4, 1, "TXD" },
-   { 1, 2, 1, "TXP" },
-   { 1, 1, 0, "UP2H" },
-   { 1, 1, 0, "UP2US" },
-   { 1, 1, 0, "UP4B" },
-   { 1, 1, 0, "UP4UB" },
-   { 1, 3, 0, "X2D" },
-   { 1, 1, 0, "ARA" },
-   { 1, 1, 0, "ARR" },
-   { 0, 1, 0, "BRA" },
-   { 0, 0, 0, "CAL" },
-   { 0, 0, 0, "RET" },
-   { 1, 1, 0, "SSG" },
-   { 1, 3, 0, "CMP" },
-   { 1, 1, 0, "SCS" },
-   { 1, 2, 1, "TXB" },
-   { 1, 1, 0, "NRM" },
-   { 1, 2, 0, "DIV" },
-   { 1, 2, 0, "DP2" },
-   { 1, 2, 1, "TXL" },
-   { 0, 0, 0, "BRK" },
-   { 0, 1, 0, "IF" },
-   { 0, 0, 0, "LOOP" },
-   { 0, 1, 0, "REP" },
-   { 0, 0, 0, "ELSE" },
-   { 0, 0, 0, "ENDIF" },
-   { 0, 0, 0, "ENDLOOP" },
-   { 0, 0, 0, "ENDREP" },
-   { 0, 1, 0, "PUSHA" },
-   { 1, 0, 0, "POPA" },
-   { 1, 1, 0, "CEIL" },
-   { 1, 1, 0, "I2F" },
-   { 1, 1, 0, "NOT" },
-   { 1, 1, 0, "TRUNC" },
-   { 1, 2, 0, "SHL" },
-   { 1, 2, 0, "SHR" },
-   { 1, 2, 0, "AND" },
-   { 1, 2, 0, "OR" },
-   { 1, 2, 0, "MOD" },
-   { 1, 2, 0, "XOR" },
-   { 1, 3, 0, "SAD" },
-   { 1, 2, 1, "TXF" },
-   { 1, 2, 1, "TXQ" },
-   { 0, 0, 0, "CONT" },
-   { 0, 0, 0, "EMIT" },
-   { 0, 0, 0, "ENDPRIM" },
-   { 0, 0, 0, "BGNLOOP2" },
-   { 0, 0, 0, "BGNSUB" },
-   { 0, 0, 0, "ENDLOOP2" },
-   { 0, 0, 0, "ENDSUB" },
-   { 1, 1, 0, "NOISE1" },
-   { 1, 1, 0, "NOISE2" },
-   { 1, 1, 0, "NOISE3" },
-   { 1, 1, 0, "NOISE4" },
-   { 0, 0, 0, "NOP" },
-   { 1, 2, 0, "M4X3" },
-   { 1, 2, 0, "M3X4" },
-   { 1, 2, 0, "M3X3" },
-   { 1, 2, 0, "M3X2" },
-   { 1, 1, 0, "NRM4" },
-   { 0, 1, 0, "CALLNZ" },
-   { 0, 1, 0, "IFC" },
-   { 0, 1, 0, "BREAKC" },
-   { 0, 0, 0, "KIL" },
-   { 0, 0, 0, "END" },
-   { 1, 1, 0, "SWZ" }
+   { 1, 1, 0, 0, "ARL" },
+   { 1, 1, 0, 0, "MOV" },
+   { 1, 1, 0, 0, "LIT" },
+   { 1, 1, 0, 0, "RCP" },
+   { 1, 1, 0, 0, "RSQ" },
+   { 1, 1, 0, 0, "EXP" },
+   { 1, 1, 0, 0, "LOG" },
+   { 1, 2, 0, 0, "MUL" },
+   { 1, 2, 0, 0, "ADD" },
+   { 1, 2, 0, 0, "DP3" },
+   { 1, 2, 0, 0, "DP4" },
+   { 1, 2, 0, 0, "DST" },
+   { 1, 2, 0, 0, "MIN" },
+   { 1, 2, 0, 0, "MAX" },
+   { 1, 2, 0, 0, "SLT" },
+   { 1, 2, 0, 0, "SGE" },
+   { 1, 3, 0, 0, "MAD" },
+   { 1, 2, 0, 0, "SUB" },
+   { 1, 3, 0, 0, "LERP" },
+   { 1, 3, 0, 0, "CND" },
+   { 1, 3, 0, 0, "CND0" },
+   { 1, 3, 0, 0, "DOT2ADD" },
+   { 1, 2, 0, 0, "INDEX" },
+   { 1, 1, 0, 0, "NEGATE" },
+   { 1, 1, 0, 0, "FRAC" },
+   { 1, 3, 0, 0, "CLAMP" },
+   { 1, 1, 0, 0, "FLOOR" },
+   { 1, 1, 0, 0, "ROUND" },
+   { 1, 1, 0, 0, "EXPBASE2" },
+   { 1, 1, 0, 0, "LOGBASE2" },
+   { 1, 2, 0, 0, "POWER" },
+   { 1, 2, 0, 0, "CROSSPRODUCT" },
+   { 1, 2, 0, 0, "MULTIPLYMATRIX" },
+   { 1, 1, 0, 0, "ABS" },
+   { 1, 1, 0, 0, "RCC" },
+   { 1, 2, 0, 0, "DPH" },
+   { 1, 1, 0, 0, "COS" },
+   { 1, 1, 0, 0, "DDX" },
+   { 1, 1, 0, 0, "DDY" },
+   { 0, 1, 0, 0, "KILP" },
+   { 1, 1, 0, 0, "PK2H" },
+   { 1, 1, 0, 0, "PK2US" },
+   { 1, 1, 0, 0, "PK4B" },
+   { 1, 1, 0, 0, "PK4UB" },
+   { 1, 2, 0, 0, "RFL" },
+   { 1, 2, 0, 0, "SEQ" },
+   { 1, 2, 0, 0, "SFL" },
+   { 1, 2, 0, 0, "SGT" },
+   { 1, 1, 0, 0, "SIN" },
+   { 1, 2, 0, 0, "SLE" },
+   { 1, 2, 0, 0, "SNE" },
+   { 1, 2, 0, 0, "STR" },
+   { 1, 2, 1, 0, "TEX" },
+   { 1, 4, 1, 0, "TXD" },
+   { 1, 2, 1, 0, "TXP" },
+   { 1, 1, 0, 0, "UP2H" },
+   { 1, 1, 0, 0, "UP2US" },
+   { 1, 1, 0, 0, "UP4B" },
+   { 1, 1, 0, 0, "UP4UB" },
+   { 1, 3, 0, 0, "X2D" },
+   { 1, 1, 0, 0, "ARA" },
+   { 1, 1, 0, 0, "ARR" },
+   { 0, 1, 0, 0, "BRA" },
+   { 0, 0, 0, 1, "CAL" },
+   { 0, 0, 0, 0, "RET" },
+   { 1, 1, 0, 0, "SSG" },
+   { 1, 3, 0, 0, "CMP" },
+   { 1, 1, 0, 0, "SCS" },
+   { 1, 2, 1, 0, "TXB" },
+   { 1, 1, 0, 0, "NRM" },
+   { 1, 2, 0, 0, "DIV" },
+   { 1, 2, 0, 0, "DP2" },
+   { 1, 2, 1, 0, "TXL" },
+   { 0, 0, 0, 0, "BRK" },
+   { 0, 1, 0, 1, "IF" },
+   { 0, 0, 0, 0, "LOOP" },
+   { 0, 1, 0, 0, "REP" },
+   { 0, 0, 0, 1, "ELSE" },
+   { 0, 0, 0, 0, "ENDIF" },
+   { 0, 0, 0, 0, "ENDLOOP" },
+   { 0, 0, 0, 0, "ENDREP" },
+   { 0, 1, 0, 0, "PUSHA" },
+   { 1, 0, 0, 0, "POPA" },
+   { 1, 1, 0, 0, "CEIL" },
+   { 1, 1, 0, 0, "I2F" },
+   { 1, 1, 0, 0, "NOT" },
+   { 1, 1, 0, 0, "TRUNC" },
+   { 1, 2, 0, 0, "SHL" },
+   { 1, 2, 0, 0, "SHR" },
+   { 1, 2, 0, 0, "AND" },
+   { 1, 2, 0, 0, "OR" },
+   { 1, 2, 0, 0, "MOD" },
+   { 1, 2, 0, 0, "XOR" },
+   { 1, 3, 0, 0, "SAD" },
+   { 1, 2, 1, 0, "TXF" },
+   { 1, 2, 1, 0, "TXQ" },
+   { 0, 0, 0, 0, "CONT" },
+   { 0, 0, 0, 0, "EMIT" },
+   { 0, 0, 0, 0, "ENDPRIM" },
+   { 0, 0, 0, 1, "BGNLOOP2" },
+   { 0, 0, 0, 0, "BGNSUB" },
+   { 0, 0, 0, 1, "ENDLOOP2" },
+   { 0, 0, 0, 0, "ENDSUB" },
+   { 1, 1, 0, 0, "NOISE1" },
+   { 1, 1, 0, 0, "NOISE2" },
+   { 1, 1, 0, 0, "NOISE3" },
+   { 1, 1, 0, 0, "NOISE4" },
+   { 0, 0, 0, 0, "NOP" },
+   { 1, 2, 0, 0, "M4X3" },
+   { 1, 2, 0, 0, "M3X4" },
+   { 1, 2, 0, 0, "M3X3" },
+   { 1, 2, 0, 0, "M3X2" },
+   { 1, 1, 0, 0, "NRM4" },
+   { 0, 1, 0, 0, "CALLNZ" },
+   { 0, 1, 0, 0, "IFC" },
+   { 0, 1, 0, 0, "BREAKC" },
+   { 0, 0, 0, 0, "KIL" },
+   { 0, 0, 0, 0, "END" },
+   { 1, 1, 0, 0, "SWZ" }
 };
 
 static const char *texture_names[TGSI_TEXTURE_COUNT] =
@@ -915,6 +916,23 @@ parse_instruction(
       }
    }
 
+   if (info->is_branch) {
+      uint target;
+
+      eat_opt_white( &ctx->cur );
+      if (*ctx->cur != ':') {
+         report_error( ctx, "Expected `:'" );
+         return FALSE;
+      }
+      ctx->cur++;
+      eat_opt_white( &ctx->cur );
+      if (!parse_uint( &ctx->cur, &target )) {
+         report_error( ctx, "Expected a label" );
+         return FALSE;
+      }
+      inst.InstructionExtLabel.Label = target;
+   }
+
    advance = tgsi_build_full_instruction(
       &inst,
       ctx->tokens_cur,