From 64800933b80ac8f4ff44adfc2c8f5f41ff32270b Mon Sep 17 00:00:00 2001 From: Matt Turner Date: Thu, 26 Feb 2015 16:06:45 -0800 Subject: [PATCH] i965/fs: Add debugging to constant combining pass. Reviewed-by: Iago Toral Quiroga --- .../dri/i965/brw_fs_combine_constants.cpp | 21 ++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp b/src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp index c5280ac8726..9141907718c 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp @@ -39,6 +39,8 @@ using namespace brw; +static const bool debug = false; + /* Returns whether an instruction could co-issue if its immediate source were * replaced with a GRF source. */ @@ -265,7 +267,6 @@ fs_visitor::opt_combine_constants() if (cfg->num_blocks != 1) qsort(table.imm, table.len, sizeof(struct imm), compare); - /* Insert MOVs to load the constant values into GRFs. */ fs_reg reg(VGRF, alloc.allocate(dispatch_width / 8)); reg.stride = 0; @@ -303,6 +304,24 @@ fs_visitor::opt_combine_constants() } } + if (debug) { + for (int i = 0; i < table.len; i++) { + struct imm *imm = &table.imm[i]; + + printf("%.3fF - block %3d, reg %3d sub %2d, Uses: (%2d, %2d), " + "IP: %4d to %4d, length %4d\n", + imm->val, + imm->block->num, + imm->nr, + imm->subreg_offset, + imm->must_promote, + imm->uses_by_coissue, + imm->first_use_ip, + imm->last_use_ip, + imm->last_use_ip - imm->first_use_ip); + } + } + ralloc_free(const_ctx); invalidate_live_intervals(); -- 2.30.2