gallium/drivers/r600: Use unsigned for loop index

Found-by: Coccinelle
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-by: Brian Paul <brianp@vmware.com>

diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index 07d06aa24df3aa81e3c7ff26baffe9753cc9d01a..df40f94bdcf6c83d720648c11fee4cce31f5f487 100644 (file)
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -395,7 +395,7 @@ static int tgsi_last_instruction(unsigned writemask)
 static int tgsi_is_supported(struct r600_shader_ctx *ctx)
 {
        struct tgsi_full_instruction *i = &ctx->parse.FullToken.FullInstruction;
-       int j;
+       unsigned j;
 
        if (i->Instruction.NumDstRegs > 1 && i->Instruction.Opcode != TGSI_OPCODE_DFRACEXP) {
                R600_ERR("too many dst (%d)\n", i->Instruction.NumDstRegs);
@@ -1167,7 +1167,7 @@ static int allocate_system_value_inputs(struct r600_shader_ctx *ctx, int gpr_off
 */
 static int evergreen_gpr_count(struct r600_shader_ctx *ctx)
 {
-       int i;
+       unsigned i;
        int num_baryc;
        struct tgsi_parse_context parse;
 
@@ -1586,7 +1586,7 @@ static int fetch_gs_input(struct r600_shader_ctx *ctx, struct tgsi_full_src_regi
 static int tgsi_split_gs_inputs(struct r600_shader_ctx *ctx)
 {
        struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction;
-       int i;
+       unsigned i;
 
        for (i = 0; i < inst->Instruction.NumSrcRegs; i++) {
                struct tgsi_full_src_register *src = &inst->Src[i];
@@ -1855,7 +1855,7 @@ static int fetch_tcs_output(struct r600_shader_ctx *ctx, struct tgsi_full_src_re
 static int tgsi_split_lds_inputs(struct r600_shader_ctx *ctx)
 {
        struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction;
-       int i;
+       unsigned i;
 
        for (i = 0; i < inst->Instruction.NumSrcRegs; i++) {
                struct tgsi_full_src_register *src = &inst->Src[i];
@@ -2785,7 +2785,7 @@ static int r600_tess_factor_read(struct r600_shader_ctx *ctx,
 
 static int r600_emit_tess_factor(struct r600_shader_ctx *ctx)
 {
-       int i;
+       unsigned i;
        int stride, outer_comps, inner_comps;
        int tessinner_idx = -1, tessouter_idx = -1;
        int r;
@@ -4794,7 +4794,7 @@ static int tgsi_lit(struct r600_shader_ctx *ctx)
        {
                int chan;
                int sel;
-               int i;
+               unsigned i;
 
                if (ctx->bc->chip_class == CAYMAN) {
                        for (i = 0; i < 3; i++) {
@@ -7928,7 +7928,7 @@ static int tgsi_exp(struct r600_shader_ctx *ctx)
        struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction;
        struct r600_bytecode_alu alu;
        int r;
-       int i;
+       unsigned i;
 
        /* result.x = 2^floor(src); */
        if (inst->Dst[0].Register.WriteMask & 1) {
@@ -8057,7 +8057,7 @@ static int tgsi_log(struct r600_shader_ctx *ctx)
        struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction;
        struct r600_bytecode_alu alu;
        int r;
-       int i;
+       unsigned i;
 
        /* result.x = floor(log2(|src|)); */
        if (inst->Dst[0].Register.WriteMask & 1) {
@@ -8784,7 +8784,7 @@ static int tgsi_bgnloop(struct r600_shader_ctx *ctx)
 
 static int tgsi_endloop(struct r600_shader_ctx *ctx)
 {
-       int i;
+       unsigned i;
 
        r600_bytecode_add_cfinst(ctx->bc, CF_OP_LOOP_END);