diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2022-10-18 21:28:04 +1000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-02-04 06:19:42 -1000 |
| commit | 6a6d772e30d62e209587ef341df243e9789f5a9f (patch) | |
| tree | 5528dffefabf63075cb8591d49291fba7c40b7f7 /tcg/arm | |
| parent | 273eb50c0fed6696d4600d9cf26f1b2dfcccab0c (diff) | |
tcg: Introduce tcg_out_addi_ptr
Implement the function for arm, i386, and s390x, which will use it.
Add stubs for all other backends.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/arm')
| -rw-r--r-- | tcg/arm/tcg-target.c.inc | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tcg/arm/tcg-target.c.inc b/tcg/arm/tcg-target.c.inc index 0f5f9f4925..6e9e9b9b3f 100644 --- a/tcg/arm/tcg-target.c.inc +++ b/tcg/arm/tcg-target.c.inc @@ -2581,6 +2581,26 @@ static void tcg_out_movi(TCGContext *s, TCGType type, tcg_out_movi32(s, COND_AL, ret, arg); } +static void tcg_out_addi_ptr(TCGContext *s, TCGReg rd, TCGReg rs, + tcg_target_long imm) +{ + int enc, opc = ARITH_ADD; + + /* All of the easiest immediates to encode are positive. */ + if (imm < 0) { + imm = -imm; + opc = ARITH_SUB; + } + enc = encode_imm(imm); + if (enc >= 0) { + tcg_out_dat_imm(s, COND_AL, opc, rd, rs, enc); + } else { + tcg_out_movi32(s, COND_AL, TCG_REG_TMP, imm); + tcg_out_dat_reg(s, COND_AL, opc, rd, rs, + TCG_REG_TMP, SHIFT_IMM_LSL(0)); + } +} + /* Type is always V128, with I64 elements. */ static void tcg_out_dup2_vec(TCGContext *s, TCGReg rd, TCGReg rl, TCGReg rh) { |