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| author | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2021-02-13 14:45:09 +0100 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2021-07-11 22:29:54 +0200 |
| commit | 71c49f39b9965506fa32483f80980a4a0199d4f8 (patch) | |
| tree | c1109d756c7abce75879ff578d7935ba9ab89e17 | |
| parent | 8bd42c00f28447a84a4be5fffd39a2f9a92b5ac9 (diff) | |
| download | qemu-71c49f39b9965506fa32483f80980a4a0199d4f8.zip qemu-71c49f39b9965506fa32483f80980a4a0199d4f8.tar.gz qemu-71c49f39b9965506fa32483f80980a4a0199d4f8.tar.bz2 | |
target/mips/tx79: Introduce PPACW opcode (Parallel Pack to Word)
Introduce the PPACW opcode (Parallel Pack to Word).
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210214175912.732946-22-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
| -rw-r--r-- | target/mips/tcg/tx79.decode | 1 | ||||
| -rw-r--r-- | target/mips/tcg/tx79_translate.c | 30 |
2 files changed, 31 insertions, 0 deletions
diff --git a/target/mips/tcg/tx79.decode b/target/mips/tcg/tx79.decode index 63fbe96..6539103 100644 --- a/target/mips/tcg/tx79.decode +++ b/target/mips/tcg/tx79.decode @@ -38,6 +38,7 @@ PCGTH 011100 ..... ..... ..... 00110 001000 @rs_rt_rd PSUBB 011100 ..... ..... ..... 01001 001000 @rs_rt_rd PCGTB 011100 ..... ..... ..... 01010 001000 @rs_rt_rd PEXTLW 011100 ..... ..... ..... 10010 001000 @rs_rt_rd +PPACW 011100 ..... ..... ..... 10011 001000 @rs_rt_rd PEXTLH 011100 ..... ..... ..... 10110 001000 @rs_rt_rd PEXTLB 011100 ..... ..... ..... 11010 001000 @rs_rt_rd diff --git a/target/mips/tcg/tx79_translate.c b/target/mips/tcg/tx79_translate.c index f0e3d8c..90c33d2 100644 --- a/target/mips/tcg/tx79_translate.c +++ b/target/mips/tcg/tx79_translate.c @@ -374,6 +374,36 @@ static bool trans_PCEQW(DisasContext *ctx, arg_rtype *a) * PEXTLW rd, rs, rt Parallel Extend Lower from Word */ +/* Parallel Pack to Word */ +static bool trans_PPACW(DisasContext *ctx, arg_rtype *a) +{ + TCGv_i64 a0, b0, t0; + + if (a->rd == 0) { + /* nop */ + return true; + } + + a0 = tcg_temp_new_i64(); + b0 = tcg_temp_new_i64(); + t0 = tcg_temp_new_i64(); + + gen_load_gpr(a0, a->rs); + gen_load_gpr(b0, a->rt); + + gen_load_gpr_hi(t0, a->rt); /* b1 */ + tcg_gen_deposit_i64(cpu_gpr[a->rd], b0, t0, 32, 32); + + gen_load_gpr_hi(t0, a->rs); /* a1 */ + tcg_gen_deposit_i64(cpu_gpr_hi[a->rd], a0, t0, 32, 32); + + tcg_temp_free(t0); + tcg_temp_free(b0); + tcg_temp_free(a0); + + return true; +} + static void gen_pextw(TCGv_i64 dl, TCGv_i64 dh, TCGv_i64 a, TCGv_i64 b) { tcg_gen_deposit_i64(dl, b, a, 32, 32); |