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target/riscv: vector wideing integer reduction instructions

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Backports bba718200b2d2aac6ab5031817f7125571c983a1
This commit is contained in:
LIU Zhiwei 2021-03-07 12:09:13 -05:00 committed by Lioncash
parent 4b1e548fd0
commit 798c1682f8
5 changed files with 30 additions and 0 deletions
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6
qemu/header_gen.py
View file

@ -7233,6 +7233,12 @@ riscv_symbols = (
'helper_vredxor_vs_h',
'helper_vredxor_vs_w',
'helper_vredxor_vs_d',
'helper_vwredsumu_vs_b',
'helper_vwredsumu_vs_h',
'helper_vwredsumu_vs_w',
'helper_vwredsum_vs_b',
'helper_vwredsum_vs_h',
'helper_vwredsum_vs_w',
'pmp_hart_has_privs',
'pmpaddr_csr_read',
'pmpaddr_csr_write',

7
qemu/target/riscv/helper.h
View file

@ -1075,3 +1075,10 @@ DEF_HELPER_6(vredxor_vs_b, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vredxor_vs_h, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vredxor_vs_w, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vredxor_vs_d, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vwredsumu_vs_b, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vwredsumu_vs_h, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vwredsumu_vs_w, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vwredsum_vs_b, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vwredsum_vs_h, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vwredsum_vs_w, void, ptr, ptr, ptr, ptr, env, i32)

2
qemu/target/riscv/insn32.decode
View file

@ -539,6 +539,8 @@ vredminu_vs 000100 . ..... ..... 010 ..... 1010111 @r_vm
vredmin_vs 000101 . ..... ..... 010 ..... 1010111 @r_vm
vredmaxu_vs 000110 . ..... ..... 010 ..... 1010111 @r_vm
vredmax_vs 000111 . ..... ..... 010 ..... 1010111 @r_vm
vwredsumu_vs 110000 . ..... ..... 000 ..... 1010111 @r_vm
vwredsum_vs 110001 . ..... ..... 000 ..... 1010111 @r_vm
vsetvli 0 ........... ..... 111 ..... 1010111 @r2_zimm
vsetvl 1000000 ..... ..... 111 ..... 1010111 @r

4
qemu/target/riscv/insn_trans/trans_rvv.inc.c
View file

@ -2379,3 +2379,7 @@ GEN_OPIVV_TRANS(vredmin_vs, reduction_check)
GEN_OPIVV_TRANS(vredand_vs, reduction_check)
GEN_OPIVV_TRANS(vredor_vs, reduction_check)
GEN_OPIVV_TRANS(vredxor_vs, reduction_check)
/* Vector Widening Integer Reduction Instructions */
GEN_OPIVV_WIDEN_TRANS(vwredsum_vs, reduction_check)
GEN_OPIVV_WIDEN_TRANS(vwredsumu_vs, reduction_check)

11
qemu/target/riscv/vector_helper.c
View file

@ -4382,3 +4382,14 @@ GEN_VEXT_RED(vredxor_vs_b, int8_t, int8_t, H1, H1, DO_XOR, clearb)
GEN_VEXT_RED(vredxor_vs_h, int16_t, int16_t, H2, H2, DO_XOR, clearh)
GEN_VEXT_RED(vredxor_vs_w, int32_t, int32_t, H4, H4, DO_XOR, clearl)
GEN_VEXT_RED(vredxor_vs_d, int64_t, int64_t, H8, H8, DO_XOR, clearq)
/* Vector Widening Integer Reduction Instructions */
/* signed sum reduction into double-width accumulator */
GEN_VEXT_RED(vwredsum_vs_b, int16_t, int8_t, H2, H1, DO_ADD, clearh)
GEN_VEXT_RED(vwredsum_vs_h, int32_t, int16_t, H4, H2, DO_ADD, clearl)
GEN_VEXT_RED(vwredsum_vs_w, int64_t, int32_t, H8, H4, DO_ADD, clearq)
/* Unsigned sum reduction into double-width accumulator */
GEN_VEXT_RED(vwredsumu_vs_b, uint16_t, uint8_t, H2, H1, DO_ADD, clearh)
GEN_VEXT_RED(vwredsumu_vs_h, uint32_t, uint16_t, H4, H2, DO_ADD, clearl)
GEN_VEXT_RED(vwredsumu_vs_w, uint64_t, uint32_t, H8, H4, DO_ADD, clearq)