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[Qemu-devel] [PATCH v4 08/13] tcg: Add opcodes for vector vmrgh instruct
From: |
Stefan Brankovic |
Subject: |
[Qemu-devel] [PATCH v4 08/13] tcg: Add opcodes for vector vmrgh instructions |
Date: |
Thu, 27 Jun 2019 12:56:20 +0200 |
Signed-off-by: Stefan Brankovic <address@hidden>
---
accel/tcg/tcg-runtime-gvec.c | 42 ++++++++++++++++++++++++++++++++++++++++++
accel/tcg/tcg-runtime.h | 4 ++++
tcg/i386/tcg-target.h | 1 +
tcg/tcg-op-gvec.c | 23 +++++++++++++++++++++++
tcg/tcg-op-gvec.h | 3 +++
tcg/tcg-op-vec.c | 5 +++++
tcg/tcg-op.h | 2 ++
tcg/tcg-opc.h | 2 ++
tcg/tcg.c | 2 ++
tcg/tcg.h | 1 +
10 files changed, 85 insertions(+)
diff --git a/accel/tcg/tcg-runtime-gvec.c b/accel/tcg/tcg-runtime-gvec.c
index 51cb29c..28173ae 100644
--- a/accel/tcg/tcg-runtime-gvec.c
+++ b/accel/tcg/tcg-runtime-gvec.c
@@ -1458,3 +1458,45 @@ void HELPER(gvec_bitsel)(void *d, void *a, void *b, void
*c, uint32_t desc)
}
clear_high(d, oprsz, desc);
}
+
+void HELPER(gvec_vmrgh8)(void *d, void *a, void *b, uint32_t desc)
+{
+ intptr_t oprsz = simd_oprsz(desc);
+ intptr_t i;
+
+ for (i = 0; i < (oprsz / 2); i += sizeof(uint8_t)) {
+ uint8_t aa = *(uint8_t *)(a + 8 * sizeof(uint8_t) + i);
+ uint8_t bb = *(uint8_t *)(b + 8 * sizeof(uint8_t) + i);
+ *(uint8_t *)(d + 2 * i) = bb;
+ *(uint8_t *)(d + 2 * i + sizeof(uint8_t)) = aa;
+ }
+ clear_high(d, oprsz, desc);
+}
+
+void HELPER(gvec_vmrgh16)(void *d, void *a, void *b, uint32_t desc)
+{
+ intptr_t oprsz = simd_oprsz(desc);
+ intptr_t i;
+
+ for (i = 0; i < (oprsz / 2); i += sizeof(uint16_t)) {
+ uint16_t aa = *(uint16_t *)(a + 4 * sizeof(uint16_t) + i);
+ uint16_t bb = *(uint16_t *)(b + 4 * sizeof(uint16_t) + i);
+ *(uint16_t *)(d + 2 * i) = bb;
+ *(uint16_t *)(d + 2 * i + sizeof(uint16_t)) = aa;
+ }
+ clear_high(d, oprsz, desc);
+}
+
+void HELPER(gvec_vmrgh32)(void *d, void *a, void *b, uint32_t desc)
+{
+ intptr_t oprsz = simd_oprsz(desc);
+ intptr_t i;
+
+ for (i = 0; i < oprsz; i += sizeof(uint32_t)) {
+ uint32_t aa = *(uint32_t *)(a + 2 * sizeof(uint32_t) + i);
+ uint32_t bb = *(uint32_t *)(b + 2 * sizeof(uint32_t) + i);
+ *(uint32_t *)(d + 2 * i) = bb;
+ *(uint32_t *)(d + 2 * i + sizeof(uint32_t)) = aa;
+ }
+ clear_high(d, oprsz, desc);
+}
diff --git a/accel/tcg/tcg-runtime.h b/accel/tcg/tcg-runtime.h
index 4fa61b4..089956f 100644
--- a/accel/tcg/tcg-runtime.h
+++ b/accel/tcg/tcg-runtime.h
@@ -305,3 +305,7 @@ DEF_HELPER_FLAGS_4(gvec_leu32, TCG_CALL_NO_RWG, void, ptr,
ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_leu64, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(gvec_bitsel, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_4(gvec_vmrgh8, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(gvec_vmrgh16, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(gvec_vmrgh32, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
diff --git a/tcg/i386/tcg-target.h b/tcg/i386/tcg-target.h
index 928e8b8..e11b22d 100644
--- a/tcg/i386/tcg-target.h
+++ b/tcg/i386/tcg-target.h
@@ -192,6 +192,7 @@ extern bool have_avx2;
#define TCG_TARGET_HAS_minmax_vec 1
#define TCG_TARGET_HAS_bitsel_vec 0
#define TCG_TARGET_HAS_cmpsel_vec -1
+#define TCG_TARGET_HAS_vmrgh_vec 0
#define TCG_TARGET_deposit_i32_valid(ofs, len) \
(((ofs) == 0 && (len) == 8) || ((ofs) == 8 && (len) == 8) || \
diff --git a/tcg/tcg-op-gvec.c b/tcg/tcg-op-gvec.c
index 17679b6..2560fb6 100644
--- a/tcg/tcg-op-gvec.c
+++ b/tcg/tcg-op-gvec.c
@@ -2102,6 +2102,29 @@ void tcg_gen_gvec_umax(unsigned vece, uint32_t dofs,
uint32_t aofs,
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]);
}
+static const TCGOpcode vecop_list_vmrgh[] = { INDEX_op_vmrgh_vec, 0 };
+
+void tcg_gen_gvec_vmrgh(unsigned vece, uint32_t dofs, uint32_t aofs,
+ uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
+{
+ static const GVecGen3 g[3] = {
+ { .fniv = tcg_gen_vmrgh_vec,
+ .fno = gen_helper_gvec_vmrgh8,
+ .opt_opc = vecop_list_vmrgh,
+ .vece = MO_8 },
+ { .fniv = tcg_gen_vmrgh_vec,
+ .fno = gen_helper_gvec_vmrgh16,
+ .opt_opc = vecop_list_vmrgh,
+ .vece = MO_16 },
+ { .fniv = tcg_gen_vmrgh_vec,
+ .fno = gen_helper_gvec_vmrgh32,
+ .opt_opc = vecop_list_vmrgh,
+ .vece = MO_32 }
+ };
+ tcg_debug_assert(vece <= MO_64);
+ tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]);
+}
+
/* Perform a vector negation using normal negation and a mask.
Compare gen_subv_mask above. */
static void gen_negv_mask(TCGv_i64 d, TCGv_i64 b, TCGv_i64 m)
diff --git a/tcg/tcg-op-gvec.h b/tcg/tcg-op-gvec.h
index 830d68f..8c04d71 100644
--- a/tcg/tcg-op-gvec.h
+++ b/tcg/tcg-op-gvec.h
@@ -272,6 +272,9 @@ void tcg_gen_gvec_smax(unsigned vece, uint32_t dofs,
uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz);
void tcg_gen_gvec_umax(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz);
+/* Vector merge. */
+void tcg_gen_gvec_vmrgh(unsigned vece, uint32_t dofs, uint32_t aofs,
+ uint32_t bofs, uint32_t oprsz, uint32_t maxsz);
void tcg_gen_gvec_and(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz);
diff --git a/tcg/tcg-op-vec.c b/tcg/tcg-op-vec.c
index c8fdc24..fb0b83e 100644
--- a/tcg/tcg-op-vec.c
+++ b/tcg/tcg-op-vec.c
@@ -663,6 +663,11 @@ void tcg_gen_umax_vec(unsigned vece, TCGv_vec r, TCGv_vec
a, TCGv_vec b)
do_minmax(vece, r, a, b, INDEX_op_umax_vec, TCG_COND_GTU);
}
+void tcg_gen_vmrgh_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b)
+{
+ do_op3(vece, r, a, b, INDEX_op_vmrgh_vec);
+}
+
void tcg_gen_shlv_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b)
{
do_op3_nofail(vece, r, a, b, INDEX_op_shlv_vec);
diff --git a/tcg/tcg-op.h b/tcg/tcg-op.h
index 2d4dd5c..d8de022 100644
--- a/tcg/tcg-op.h
+++ b/tcg/tcg-op.h
@@ -985,6 +985,8 @@ void tcg_gen_umin_vec(unsigned vece, TCGv_vec r, TCGv_vec
a, TCGv_vec b);
void tcg_gen_smax_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b);
void tcg_gen_umax_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b);
+void tcg_gen_vmrgh_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b);
+
void tcg_gen_shli_vec(unsigned vece, TCGv_vec r, TCGv_vec a, int64_t i);
void tcg_gen_shri_vec(unsigned vece, TCGv_vec r, TCGv_vec a, int64_t i);
void tcg_gen_sari_vec(unsigned vece, TCGv_vec r, TCGv_vec a, int64_t i);
diff --git a/tcg/tcg-opc.h b/tcg/tcg-opc.h
index 242d608..2bc3bdf 100644
--- a/tcg/tcg-opc.h
+++ b/tcg/tcg-opc.h
@@ -235,6 +235,8 @@ DEF(umin_vec, 1, 2, 0, IMPLVEC |
IMPL(TCG_TARGET_HAS_minmax_vec))
DEF(smax_vec, 1, 2, 0, IMPLVEC | IMPL(TCG_TARGET_HAS_minmax_vec))
DEF(umax_vec, 1, 2, 0, IMPLVEC | IMPL(TCG_TARGET_HAS_minmax_vec))
+DEF(vmrgh_vec, 1, 2, 0, IMPLVEC | IMPL(TCG_TARGET_HAS_vmrgh_vec))
+
DEF(and_vec, 1, 2, 0, IMPLVEC)
DEF(or_vec, 1, 2, 0, IMPLVEC)
DEF(xor_vec, 1, 2, 0, IMPLVEC)
diff --git a/tcg/tcg.c b/tcg/tcg.c
index 02a2680..fed9a6f 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -1646,6 +1646,8 @@ bool tcg_op_supported(TCGOpcode op)
case INDEX_op_smax_vec:
case INDEX_op_umax_vec:
return have_vec && TCG_TARGET_HAS_minmax_vec;
+ case INDEX_op_vmrgh_vec:
+ return have_vec && TCG_TARGET_HAS_vmrgh_vec;
case INDEX_op_bitsel_vec:
return have_vec && TCG_TARGET_HAS_bitsel_vec;
case INDEX_op_cmpsel_vec:
diff --git a/tcg/tcg.h b/tcg/tcg.h
index b411e17..05b9b51 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -186,6 +186,7 @@ typedef uint64_t TCGRegSet;
#define TCG_TARGET_HAS_mul_vec 0
#define TCG_TARGET_HAS_sat_vec 0
#define TCG_TARGET_HAS_minmax_vec 0
+#define TCG_TARGET_HAS_vmrgh_vec 0
#define TCG_TARGET_HAS_bitsel_vec 0
#define TCG_TARGET_HAS_cmpsel_vec 0
#else
--
2.7.4
- [Qemu-devel] [PATCH v4 01/13] target/ppc: Optimize emulation of lvsl and lvsr instructions, (continued)
- [Qemu-devel] [PATCH v4 01/13] target/ppc: Optimize emulation of lvsl and lvsr instructions, Stefan Brankovic, 2019/06/27
- [Qemu-devel] [PATCH v4 03/13] target/ppc: Optimize emulation of vgbbd instruction, Stefan Brankovic, 2019/06/27
- [Qemu-devel] [PATCH v4 05/13] target/ppc: Optimize emulation of vclzw instruction, Stefan Brankovic, 2019/06/27
- [Qemu-devel] [PATCH v4 06/13] target/ppc: Optimize emulation of vclzh and vclzb instructions, Stefan Brankovic, 2019/06/27
- [Qemu-devel] [PATCH v4 09/13] tcg/i386: Implement vector vmrgh instructions, Stefan Brankovic, 2019/06/27
- [Qemu-devel] [PATCH v4 10/13] target/ppc: convert vmrgh instructions to vector operations, Stefan Brankovic, 2019/06/27
- [Qemu-devel] [PATCH v4 07/13] target/ppc: Refactor emulation of vmrgew and vmrgow instructions, Stefan Brankovic, 2019/06/27
- [Qemu-devel] [PATCH v4 11/13] tcg: Add opcodes for verctor vmrgl instructions, Stefan Brankovic, 2019/06/27
- [Qemu-devel] [PATCH v4 12/13] tcg/i386: Implement vector vmrgl instructions, Stefan Brankovic, 2019/06/27
- [Qemu-devel] [PATCH v4 13/13] target/ppc: convert vmrgl instructions to vector operations, Stefan Brankovic, 2019/06/27
- [Qemu-devel] [PATCH v4 08/13] tcg: Add opcodes for vector vmrgh instructions,
Stefan Brankovic <=
- Re: [Qemu-devel] [PATCH v4 00/13] target/ppc, tcg, tcg/i386: Optimize emulation of some Altivec instructions, Howard Spoelstra, 2019/06/27