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-rw-r--r--xlators/cluster/ec/src/ec-code-avx.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/xlators/cluster/ec/src/ec-code-avx.c b/xlators/cluster/ec/src/ec-code-avx.c
new file mode 100644
index 00000000000..92bd3e83c5e
--- /dev/null
+++ b/xlators/cluster/ec/src/ec-code-avx.c
@@ -0,0 +1,116 @@
+/*
+ Copyright (c) 2015 DataLab, s.l. <http://www.datalab.es>
+ This file is part of GlusterFS.
+
+ This file is licensed to you under your choice of the GNU Lesser
+ General Public License, version 3 or any later version (LGPLv3 or
+ later), or the GNU General Public License, version 2 (GPLv2), in all
+ cases as published by the Free Software Foundation.
+*/
+
+#include <errno.h>
+
+#include "ec-code-intel.h"
+
+static void
+ec_code_avx_prolog(ec_code_builder_t *builder)
+{
+ builder->loop = builder->address;
+}
+
+static void
+ec_code_avx_epilog(ec_code_builder_t *builder)
+{
+ ec_code_intel_op_add_i2r(builder, 32, REG_DX);
+ ec_code_intel_op_add_i2r(builder, 32, REG_DI);
+ ec_code_intel_op_test_i2r(builder, builder->width - 1, REG_DX);
+ ec_code_intel_op_jne(builder, builder->loop);
+
+ ec_code_intel_op_ret(builder, 0);
+}
+
+static void
+ec_code_avx_load(ec_code_builder_t *builder, uint32_t dst, uint32_t idx,
+ uint32_t bit)
+{
+ if (builder->linear) {
+ ec_code_intel_op_mov_m2avx(builder, REG_SI, REG_DX, 1,
+ idx * builder->width * builder->bits +
+ bit * builder->width,
+ dst);
+ } else {
+ if (builder->base != idx) {
+ ec_code_intel_op_mov_m2r(builder, REG_SI, REG_NULL, 0, idx * 8,
+ REG_AX);
+ builder->base = idx;
+ }
+ ec_code_intel_op_mov_m2avx(builder, REG_AX, REG_DX, 1,
+ bit * builder->width, dst);
+ }
+}
+
+static void
+ec_code_avx_store(ec_code_builder_t *builder, uint32_t src, uint32_t bit)
+{
+ ec_code_intel_op_mov_avx2m(builder, src, REG_DI, REG_NULL, 0,
+ bit * builder->width);
+}
+
+static void
+ec_code_avx_copy(ec_code_builder_t *builder, uint32_t dst, uint32_t src)
+{
+ ec_code_intel_op_mov_avx2avx(builder, src, dst);
+}
+
+static void
+ec_code_avx_xor2(ec_code_builder_t *builder, uint32_t dst, uint32_t src)
+{
+ ec_code_intel_op_xor_avx2avx(builder, src, dst);
+}
+
+static void
+ec_code_avx_xor3(ec_code_builder_t *builder, uint32_t dst, uint32_t src1,
+ uint32_t src2)
+{
+ ec_code_intel_op_mov_avx2avx(builder, src1, dst);
+ ec_code_intel_op_xor_avx2avx(builder, src2, dst);
+}
+
+static void
+ec_code_avx_xorm(ec_code_builder_t *builder, uint32_t dst, uint32_t idx,
+ uint32_t bit)
+{
+ if (builder->linear) {
+ ec_code_intel_op_xor_m2avx(builder, REG_SI, REG_DX, 1,
+ idx * builder->width * builder->bits +
+ bit * builder->width,
+ dst);
+ } else {
+ if (builder->base != idx) {
+ ec_code_intel_op_mov_m2r(builder, REG_SI, REG_NULL, 0, idx * 8,
+ REG_AX);
+ builder->base = idx;
+ }
+ ec_code_intel_op_xor_m2avx(builder, REG_AX, REG_DX, 1,
+ bit * builder->width, dst);
+ }
+}
+
+static char *ec_code_avx_needed_flags[] = {
+ "avx2",
+ NULL
+};
+
+ec_code_gen_t ec_code_gen_avx = {
+ .name = "avx",
+ .flags = ec_code_avx_needed_flags,
+ .width = 32,
+ .prolog = ec_code_avx_prolog,
+ .epilog = ec_code_avx_epilog,
+ .load = ec_code_avx_load,
+ .store = ec_code_avx_store,
+ .copy = ec_code_avx_copy,
+ .xor2 = ec_code_avx_xor2,
+ .xor3 = ec_code_avx_xor3,
+ .xorm = ec_code_avx_xorm
+};