diff options
Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_sanity.c')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_sanity.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_sanity.c b/src/gallium/auxiliary/tgsi/tgsi_sanity.c index c6590272969..11659247c0c 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_sanity.c +++ b/src/gallium/auxiliary/tgsi/tgsi_sanity.c @@ -152,6 +152,12 @@ check_register_usage( { if (!check_file_name( ctx, file )) return FALSE; + + if (index < 0 || index > MAX_REGISTERS) { + report_error( ctx, "%s[%i]: Invalid index %s", file_names[file], index, name ); + return FALSE; + } + if (indirect_access) { if (!is_any_register_declared( ctx, file )) report_error( ctx, "%s: Undeclared %s register", file_names[file], name ); @@ -174,12 +180,10 @@ iter_instruction( const struct tgsi_opcode_info *info; uint i; - /* There must be no other instructions after END. - */ - if (ctx->index_of_END != ~0) { - report_error( ctx, "Unexpected instruction after END" ); - } - else if (inst->Instruction.Opcode == TGSI_OPCODE_END) { + if (inst->Instruction.Opcode == TGSI_OPCODE_END) { + if (ctx->index_of_END != ~0) { + report_error( ctx, "Too many END instructions" ); + } ctx->index_of_END = ctx->num_instructions; } @@ -301,10 +305,10 @@ epilog( struct sanity_check_ctx *ctx = (struct sanity_check_ctx *) iter; uint file; - /* There must be an END instruction at the end. + /* There must be an END instruction somewhere. */ - if (ctx->index_of_END == ~0 || ctx->index_of_END != ctx->num_instructions - 1) { - report_error( ctx, "Expected END at end of instruction sequence" ); + if (ctx->index_of_END == ~0) { + report_error( ctx, "Missing END instruction" ); } /* Check if all declared registers were used. |