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tcg/loongarch64: Support TCG_TYPE_V64

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We can implement this with fld_d, fst_d for load and store,
and then use the normal v128 operations in registers.
This will improve support for guests which use v64.

Reviewed-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-05-27 17:08:46 +00:00
parent 3a7a53c352
commit 1c05d53baf
2 changed files with 7 additions and 3 deletions
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8
tcg/loongarch64/tcg-target.c.inc
View File

@ -321,6 +321,7 @@ static bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg)
}
}
break;
case TCG_TYPE_V64:
case TCG_TYPE_V128:
tcg_out_opc_vori_b(s, ret, arg, 0);
break;
@ -838,6 +839,7 @@ static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg dest,
}
break;
case TCG_TYPE_I64:
case TCG_TYPE_V64:
if (dest < TCG_REG_V0) {
tcg_out_ldst(s, OPC_LD_D, dest, base, offset);
} else {
@ -869,6 +871,7 @@ static void tcg_out_st(TCGContext *s, TCGType type, TCGReg src,
}
break;
case TCG_TYPE_I64:
case TCG_TYPE_V64:
if (src < TCG_REG_V0) {
tcg_out_ldst(s, OPC_ST_D, src, base, offset);
} else {
@ -1880,8 +1883,8 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
a2 = args[2];
a3 = args[3];
/* Currently only supports V128 */
tcg_debug_assert(type == TCG_TYPE_V128);
/* Currently only supports V64 & V128 */
tcg_debug_assert(type == TCG_TYPE_V64 || type == TCG_TYPE_V128);
switch (opc) {
case INDEX_op_st_vec:
@ -2394,6 +2397,7 @@ static void tcg_target_init(TCGContext *s)
tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S9);
if (cpuinfo & CPUINFO_LSX) {
tcg_target_available_regs[TCG_TYPE_V64] = ALL_VECTOR_REGS;
tcg_target_available_regs[TCG_TYPE_V128] = ALL_VECTOR_REGS;
tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_V24);
tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_V25);

2
tcg/loongarch64/tcg-target.h
View File

@ -171,7 +171,7 @@ typedef enum {
#define TCG_TARGET_HAS_tst 0
#define TCG_TARGET_HAS_v64 0
#define TCG_TARGET_HAS_v64 (cpuinfo & CPUINFO_LSX)
#define TCG_TARGET_HAS_v128 (cpuinfo & CPUINFO_LSX)
#define TCG_TARGET_HAS_v256 0