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author | Kenneth Graunke <kenneth@whitecape.org> | 2016-05-14 23:53:19 -0700 |
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committer | Kenneth Graunke <kenneth@whitecape.org> | 2016-05-16 00:19:53 -0700 |
commit | 2f02fad6b3a0429798c3bd4feb4501dafa5e2fc0 (patch) | |
tree | d47aec7bb8282018ccc66a7d0b8d08ba4932aff1 /src/mesa/drivers/dri/i965/brw_eu_emit.c | |
parent | b6f250d7f2f704c8681aaa2a158d1a39851b8494 (diff) | |
download | external_mesa3d-2f02fad6b3a0429798c3bd4feb4501dafa5e2fc0.zip external_mesa3d-2f02fad6b3a0429798c3bd4feb4501dafa5e2fc0.tar.gz external_mesa3d-2f02fad6b3a0429798c3bd4feb4501dafa5e2fc0.tar.bz2 |
i965: Make a "does this while jump before our instruction?" helper.
I need to use this in an additional place.
Cc: mesa-stable@lists.freedesktop.org
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_eu_emit.c')
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_eu_emit.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c index 1a2ed3f..cc2876b 100644 --- a/src/mesa/drivers/dri/i965/brw_eu_emit.c +++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c @@ -2655,6 +2655,17 @@ brw_send_indirect_surface_message(struct brw_codegen *p, return insn; } +static bool +while_jumps_before_offset(const struct brw_device_info *devinfo, + brw_inst *insn, int while_offset, int start_offset) +{ + int scale = 16 / brw_jump_scale(devinfo); + int jip = devinfo->gen == 6 ? brw_inst_gen6_jump_count(devinfo, insn) + : brw_inst_jip(devinfo, insn); + return while_offset + jip * scale <= start_offset; +} + + static int brw_find_next_block_end(struct brw_codegen *p, int start_offset) { @@ -2698,7 +2709,6 @@ brw_find_loop_end(struct brw_codegen *p, int start_offset) { const struct brw_device_info *devinfo = p->devinfo; int offset; - int scale = 16 / brw_jump_scale(devinfo); void *store = p->store; assert(devinfo->gen >= 6); @@ -2712,9 +2722,7 @@ brw_find_loop_end(struct brw_codegen *p, int start_offset) brw_inst *insn = store + offset; if (brw_inst_opcode(devinfo, insn) == BRW_OPCODE_WHILE) { - int jip = devinfo->gen == 6 ? brw_inst_gen6_jump_count(devinfo, insn) - : brw_inst_jip(devinfo, insn); - if (offset + jip * scale <= start_offset) + if (while_jumps_before_offset(devinfo, insn, offset, start_offset)) return offset; } } |