diff options
| author | Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com> | 2022-02-03 09:35:07 +0100 |
|---|---|---|
| committer | Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com> | 2022-02-03 10:34:12 +0100 |
| commit | eaa87b1a4659c1c06b0ac9e5659943c888dff6d3 (patch) | |
| tree | e2119c7c108cdd32d1d987c8b103cac5079ff088 | |
| parent | 52c850445ed5d7d58b0be4cdd5b6a17dd288bf52 (diff) | |
radeonsi: limit loop unrolling for LLVM < 13
Without this change LLVM 12 hits this error:
"""
LLVM ERROR: Error while trying to spill SGPR0_SGPR1 from class SReg_64:
Cannot scavenge register without an emergency spill slot!
"""
when running glcts KHR-GL46.arrays_of_arrays_gl.AtomicUsage test.
Fixes: 9ff086052ab ("radeonsi: unroll loops of up to 128 iterations")
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14848>
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_get.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/gallium/drivers/radeonsi/si_get.c b/src/gallium/drivers/radeonsi/si_get.c index 795461a1c90..985daa1c776 100644 --- a/src/gallium/drivers/radeonsi/si_get.c +++ b/src/gallium/drivers/radeonsi/si_get.c @@ -1072,8 +1072,8 @@ void si_init_screen_get_functions(struct si_screen *sscreen) .has_udot_4x8 = sscreen->info.has_accelerated_dot_product, .has_dot_2x16 = sscreen->info.has_accelerated_dot_product, .optimize_sample_mask_in = true, - .max_unroll_iterations = 128, - .max_unroll_iterations_aggressive = 128, + .max_unroll_iterations = LLVM_VERSION_MAJOR >= 13 ? 128 : 32, + .max_unroll_iterations_aggressive = LLVM_VERSION_MAJOR >= 13 ? 128 : 32, .use_interpolated_input_intrinsics = true, .lower_uniforms_to_ubo = true, .support_16bit_alu = sscreen->options.fp16, |