[software] JOURNAL: Fix matmul_qlr_5 param and optionally disable fix…

…ed QLR regs

software/apps/systolic/matmul_qlr_5/main.c

@@ -29,7 +29,7 @@
 
 // Settings
 #define TOPOLOGY       1
-#define VERIFY_OUTPUT  0
+#define VERIFY_OUTPUT  1
 #define PRINTF_MATRIX  0
 #define PRINTF_VERBOSE 0
 

software/runtime/runtime.mk

@@ -109,11 +109,17 @@ RISCV_WARNINGS += -Wunused-variable -Wconversion -Wall -Wextra # -Werror
 RISCV_FLAGS_COMMON_TESTS ?= -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI) -I$(ROOT_DIR) -I$(HALIDE_INCLUDE) -static
 RISCV_FLAGS_COMMON ?= $(RISCV_FLAGS_COMMON_TESTS) -g -std=gnu99 -O3  -fno-builtin-memcpy -fno-builtin-memset -ffast-math -fno-common -fno-builtin-printf $(DEFINES) $(RISCV_WARNINGS)
 RISCV_FLAGS_GCC    ?= -mcmodel=medany -Wa,-march=$(RISCV_ARCH_AS) -mtune=mempool -fno-tree-loop-distribute-patterns # -falign-loops=32 -falign-jumps=32
+# Disable reservation of x5, x6, x7, x28 for the QLR (reservation active by default, unless QLR hardware is not employed)
+# This achieves higher performance if you have to compile software not using QLR, but the hardware parameter for QLR is enabled
+disable_qlr_fix_reg ?= 0
+ifeq ($(disable_qlr_fix_reg), 0)
 ifeq ($(shell test $(qlr_fifo_size) -gt 0; echo $$?),0)
 	RISCV_FLAGS_GCC += -ffixed-x5 -ffixed-x6 -ffixed-x7 -ffixed-x28
 endif
+endif
 RISCV_FLAGS_LLVM   ?= -mcmodel=small -mcpu=mempool-rv32 -mllvm -misched-topdown
 
+
 ifeq ($(COMPILER),gcc)
 	RISCV_CCFLAGS       += $(RISCV_FLAGS_GCC) $(RISCV_FLAGS_COMMON)
 	RISCV_CXXFLAGS      += $(RISCV_CCFLAGS)