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authorMatt Turner <[email protected]>2018-12-10 11:50:55 -0800
committerMatt Turner <[email protected]>2019-01-09 16:42:41 -0800
commit18b4e87370d3ebb9d7dbb51e58b2da1b64a2227f (patch)
tree6ea309c61701b55ce689a9041a7b80999785481e /src/intel/compiler
parent622d4291287b8dfad612b92945abd39e767a7b15 (diff)
intel/compiler: Heap-allocate temporary storage
Shaders containing software implementations of double-precision operations can be very large such that we cannot stack-allocate an array of grf_count*16. Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src/intel/compiler')
-rw-r--r--src/intel/compiler/brw_schedule_instructions.cpp8
1 files changed, 5 insertions, 3 deletions
diff --git a/src/intel/compiler/brw_schedule_instructions.cpp b/src/intel/compiler/brw_schedule_instructions.cpp
index 95e4b873501..9b279df5cf1 100644
--- a/src/intel/compiler/brw_schedule_instructions.cpp
+++ b/src/intel/compiler/brw_schedule_instructions.cpp
@@ -973,7 +973,7 @@ fs_instruction_scheduler::calculate_deps()
* After register allocation, reg_offsets are gone and we track individual
* GRF registers.
*/
- schedule_node *last_grf_write[grf_count * 16];
+ schedule_node **last_grf_write;
schedule_node *last_mrf_write[BRW_MAX_MRF(v->devinfo->gen)];
schedule_node *last_conditional_mod[8] = {};
schedule_node *last_accumulator_write = NULL;
@@ -984,7 +984,7 @@ fs_instruction_scheduler::calculate_deps()
*/
schedule_node *last_fixed_grf_write = NULL;
- memset(last_grf_write, 0, sizeof(last_grf_write));
+ last_grf_write = (schedule_node **)calloc(sizeof(schedule_node *), grf_count * 16);
memset(last_mrf_write, 0, sizeof(last_mrf_write));
/* top-to-bottom dependencies: RAW and WAW. */
@@ -1111,7 +1111,7 @@ fs_instruction_scheduler::calculate_deps()
}
/* bottom-to-top dependencies: WAR */
- memset(last_grf_write, 0, sizeof(last_grf_write));
+ memset(last_grf_write, 0, sizeof(schedule_node *) * grf_count * 16);
memset(last_mrf_write, 0, sizeof(last_mrf_write));
memset(last_conditional_mod, 0, sizeof(last_conditional_mod));
last_accumulator_write = NULL;
@@ -1227,6 +1227,8 @@ fs_instruction_scheduler::calculate_deps()
last_accumulator_write = n;
}
}
+
+ free(last_grf_write);
}
void