[965] Fix fp temp reg release code to not usually release all temps.

Also, use wrapped ffs() instead of native.

diff --git a/src/mesa/drivers/dri/i965/brw_wm_fp.c b/src/mesa/drivers/dri/i965/brw_wm_fp.c
index 682b16d74ddc64d2d509206ab2c3b5042db9cb53..621106f14dc830acfdf1cdf74a37bf48f1de037a 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_wm_fp.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_fp.c
@@ -144,7 +144,7 @@ static struct prog_dst_register dst_undef( void )
 
 static struct prog_dst_register get_temp( struct brw_wm_compile *c )
 {
-   int bit = ffs( ~c->fp_temp );
+   int bit = _mesa_ffs( ~c->fp_temp );
 
    if (!bit) {
       _mesa_printf("%s: out of temporaries\n", __FILE__);
@@ -158,7 +158,7 @@ static struct prog_dst_register get_temp( struct brw_wm_compile *c )
 
 static void release_temp( struct brw_wm_compile *c, struct prog_dst_register temp )
 {
-   c->fp_temp &= ~1<<(temp.Index + 1 - FIRST_INTERNAL_TEMP);
+   c->fp_temp &= ~(1 << (temp.Index - FIRST_INTERNAL_TEMP));
 }