util: Move _mesa_fsl/util_last_bit into util/bitscan.h

As requested with the initial creation of util/bitscan.h
now move other bitscan related functions into util.

v2: Split into two patches.

Signed-off-by: Mathias Fröhlich <Mathias.Froehlich@web.de>
Tested-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>

7 files changed, 13 insertions, 13 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_cs.c b/src/mesa/drivers/dri/i965/brw_cs.c
index 655adc1..6685acd 100644
--- a/src/mesa/drivers/dri/i965/brw_cs.c
+++ b/src/mesa/drivers/dri/i965/brw_cs.c
@@ -220,7 +220,7 @@ brw_upload_cs_prog(struct brw_context *brw)
       return;
 
    brw->cs.base.sampler_count =
-      _mesa_fls(ctx->ComputeProgram._Current->Base.SamplersUsed);
+      util_last_bit(ctx->ComputeProgram._Current->Base.SamplersUsed);
 
    brw_cs_populate_key(brw, &key);
 
diff --git a/src/mesa/drivers/dri/i965/brw_draw.c b/src/mesa/drivers/dri/i965/brw_draw.c
index d7a1ba3..9b1e18c 100644
--- a/src/mesa/drivers/dri/i965/brw_draw.c
+++ b/src/mesa/drivers/dri/i965/brw_draw.c
@@ -452,15 +452,15 @@ brw_try_draw_prims(struct gl_context *ctx,
     * index.
     */
    brw->wm.base.sampler_count =
-      _mesa_fls(ctx->FragmentProgram._Current->Base.SamplersUsed);
+      util_last_bit(ctx->FragmentProgram._Current->Base.SamplersUsed);
    brw->gs.base.sampler_count = ctx->GeometryProgram._Current ?
-      _mesa_fls(ctx->GeometryProgram._Current->Base.SamplersUsed) : 0;
+      util_last_bit(ctx->GeometryProgram._Current->Base.SamplersUsed) : 0;
    brw->tes.base.sampler_count = ctx->TessEvalProgram._Current ?
-      _mesa_fls(ctx->TessEvalProgram._Current->Base.SamplersUsed) : 0;
+      util_last_bit(ctx->TessEvalProgram._Current->Base.SamplersUsed) : 0;
    brw->tcs.base.sampler_count = ctx->TessCtrlProgram._Current ?
-      _mesa_fls(ctx->TessCtrlProgram._Current->Base.SamplersUsed) : 0;
+      util_last_bit(ctx->TessCtrlProgram._Current->Base.SamplersUsed) : 0;
    brw->vs.base.sampler_count =
-      _mesa_fls(ctx->VertexProgram._Current->Base.SamplersUsed);
+      util_last_bit(ctx->VertexProgram._Current->Base.SamplersUsed);
 
    intel_prepare_render(brw);
    brw_predraw_set_aux_buffers(brw);
diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
index e1655a4..134cd01 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
@@ -1845,7 +1845,7 @@ fs_visitor::emit_gs_control_data_bits(const fs_reg &vertex_count)
       fs_reg prev_count = bld.vgrf(BRW_REGISTER_TYPE_UD, 1);
       abld.ADD(prev_count, vertex_count, brw_imm_ud(0xffffffffu));
       unsigned log2_bits_per_vertex =
-         _mesa_fls(gs_compile->control_data_bits_per_vertex);
+         util_last_bit(gs_compile->control_data_bits_per_vertex);
       abld.SHR(dword_index, prev_count, brw_imm_ud(6u - log2_bits_per_vertex));
 
       if (per_slot_offset.file != BAD_FILE) {
@@ -2789,7 +2789,7 @@ fs_visitor::nir_emit_tcs_intrinsic(const fs_builder &bld,
       if (mask == 0)
          break;
 
-      unsigned num_components = _mesa_fls(mask);
+      unsigned num_components = util_last_bit(mask);
       enum opcode opcode;
 
       /* We can only pack two 64-bit components in a single message, so send
@@ -4523,7 +4523,7 @@ fs_visitor::nir_emit_texture(const fs_builder &bld, nir_tex_instr *instr)
                             nir_ssa_def_components_read(&instr->dest.ssa):
                             (1 << dest_size) - 1;
       assert(write_mask != 0); /* dead code should have been eliminated */
-      inst->regs_written = _mesa_fls(write_mask) * dispatch_width / 8;
+      inst->regs_written = util_last_bit(write_mask) * dispatch_width / 8;
    } else {
       inst->regs_written = 4 * dispatch_width / 8;
    }
diff --git a/src/mesa/drivers/dri/i965/brw_program.c b/src/mesa/drivers/dri/i965/brw_program.c
index 7785490..0e55c7b 100644
--- a/src/mesa/drivers/dri/i965/brw_program.c
+++ b/src/mesa/drivers/dri/i965/brw_program.c
@@ -674,7 +674,7 @@ brw_setup_tex_for_precompile(struct brw_context *brw,
                              struct gl_program *prog)
 {
    const bool has_shader_channel_select = brw->is_haswell || brw->gen >= 8;
-   unsigned sampler_count = _mesa_fls(prog->SamplersUsed);
+   unsigned sampler_count = util_last_bit(prog->SamplersUsed);
    for (unsigned i = 0; i < sampler_count; i++) {
       if (!has_shader_channel_select && (prog->ShadowSamplers & (1 << i))) {
          /* Assume DEPTH_TEXTURE_MODE is the default: X, X, X, 1 */
diff --git a/src/mesa/drivers/dri/i965/brw_shader.cpp b/src/mesa/drivers/dri/i965/brw_shader.cpp
index 559e44c..62bad9b 100644
--- a/src/mesa/drivers/dri/i965/brw_shader.cpp
+++ b/src/mesa/drivers/dri/i965/brw_shader.cpp
@@ -1157,7 +1157,7 @@ brw_assign_common_binding_table_offsets(gl_shader_stage stage,
                                         uint32_t next_binding_table_offset)
 {
    const struct gl_linked_shader *shader = NULL;
-   int num_textures = _mesa_fls(prog->SamplersUsed);
+   int num_textures = util_last_bit(prog->SamplersUsed);
 
    if (shader_prog)
       shader = shader_prog->_LinkedShaders[stage];
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.cpp
index 927438f..c5886d4 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.cpp
@@ -334,7 +334,7 @@ vec4_gs_visitor::emit_control_data_bits()
       emit(ADD(dst_reg(prev_count), this->vertex_count,
                brw_imm_ud(0xffffffffu)));
       unsigned log2_bits_per_vertex =
-         _mesa_fls(c->control_data_bits_per_vertex);
+         util_last_bit(c->control_data_bits_per_vertex);
       emit(SHR(dst_reg(dword_index), prev_count,
                brw_imm_ud(6 - log2_bits_per_vertex)));
    }
diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
index 9bee7dd..a53f9da 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
@@ -998,7 +998,7 @@ update_stage_texture_surfaces(struct brw_context *brw,
    else
       surf_offset += stage_state->prog_data->binding_table.plane_start[plane];
 
-   unsigned num_samplers = _mesa_fls(prog->SamplersUsed);
+   unsigned num_samplers = util_last_bit(prog->SamplersUsed);
    for (unsigned s = 0; s < num_samplers; s++) {
       surf_offset[s] = 0;