freedreno/ir3: fix old compiler after f6b2e8af742

If first_driver_param is left as zero (calloc'd struct), the result is
c0 getting clobbered.

Signed-off-by: Rob Clark <robclark@freedesktop.org>

diff --git a/src/gallium/drivers/freedreno/ir3/ir3_compiler_old.c b/src/gallium/drivers/freedreno/ir3/ir3_compiler_old.c
index 3353156..44a629f 100644 (file)
--- a/src/gallium/drivers/freedreno/ir3/ir3_compiler_old.c
+++ b/src/gallium/drivers/freedreno/ir3/ir3_compiler_old.c
@@ -195,6 +195,7 @@ compile_init(struct ir3_compile_context *ctx, struct ir3_shader_variant *so,
                        info->file_max[TGSI_FILE_INPUT] + 1 +
                        info->file_max[TGSI_FILE_OUTPUT] + 1;
 
+       so->first_driver_param = ~0;
        so->first_immediate = ctx->base_reg[TGSI_FILE_IMMEDIATE];
        ctx->immediate_idx = 4 * (ctx->info.file_max[TGSI_FILE_IMMEDIATE] + 1);