From 2df2a8cf77e76370698164e3d361e07075d2a699 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Mon, 3 May 2021 16:48:07 -0700 Subject: tcg/arm: Implement tcg_out_mov for vector types Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- tcg/arm/tcg-target.c.inc | 52 ++++++++++++++++++++++++++++++++++++++++++------ 1 file changed, 46 insertions(+), 6 deletions(-) diff --git a/tcg/arm/tcg-target.c.inc b/tcg/arm/tcg-target.c.inc index c6cfb83..a802d4b 100644 --- a/tcg/arm/tcg-target.c.inc +++ b/tcg/arm/tcg-target.c.inc @@ -173,6 +173,8 @@ typedef enum { /* Otherwise the assembler uses mov r0,r0 */ INSN_NOP_v4 = (COND_AL << 28) | ARITH_MOV, + INSN_VORR = 0xf2200110, + INSN_VLD1 = 0xf4200000, /* VLD1 (multiple single elements) */ INSN_VST1 = 0xf4000000, /* VST1 (multiple single elements) */ } ARMInsn; @@ -1106,6 +1108,25 @@ static uint32_t encode_vd(TCGReg rd) return (extract32(rd, 3, 1) << 22) | (extract32(rd, 0, 3) << 13); } +static uint32_t encode_vn(TCGReg rn) +{ + tcg_debug_assert(rn >= TCG_REG_Q0); + return (extract32(rn, 3, 1) << 7) | (extract32(rn, 0, 3) << 17); +} + +static uint32_t encode_vm(TCGReg rm) +{ + tcg_debug_assert(rm >= TCG_REG_Q0); + return (extract32(rm, 3, 1) << 5) | (extract32(rm, 0, 3) << 1); +} + +static void tcg_out_vreg3(TCGContext *s, ARMInsn insn, int q, int vece, + TCGReg d, TCGReg n, TCGReg m) +{ + tcg_out32(s, insn | (vece << 20) | (q << 6) | + encode_vd(d) | encode_vn(n) | encode_vm(m)); +} + static void tcg_out_vldst(TCGContext *s, ARMInsn insn, TCGReg rd, TCGReg rn, int offset) { @@ -2276,16 +2297,35 @@ static inline bool tcg_out_sti(TCGContext *s, TCGType type, TCGArg val, return false; } -static inline bool tcg_out_mov(TCGContext *s, TCGType type, - TCGReg ret, TCGReg arg) +static bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) { - tcg_out_mov_reg(s, COND_AL, ret, arg); - return true; + if (ret == arg) { + return true; + } + switch (type) { + case TCG_TYPE_I32: + if (ret < TCG_REG_Q0 && arg < TCG_REG_Q0) { + tcg_out_mov_reg(s, COND_AL, ret, arg); + return true; + } + return false; + + case TCG_TYPE_V64: + case TCG_TYPE_V128: + /* "VMOV D,N" is an alias for "VORR D,N,N". */ + tcg_out_vreg3(s, INSN_VORR, type - TCG_TYPE_V64, 0, ret, arg, arg); + return true; + + default: + g_assert_not_reached(); + } } -static inline void tcg_out_movi(TCGContext *s, TCGType type, - TCGReg ret, tcg_target_long arg) +static void tcg_out_movi(TCGContext *s, TCGType type, + TCGReg ret, tcg_target_long arg) { + tcg_debug_assert(type == TCG_TYPE_I32); + tcg_debug_assert(ret < TCG_REG_Q0); tcg_out_movi32(s, COND_AL, ret, arg); } -- cgit v1.1