OpenE2K/qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

target/tricore: Use tcg_gen_*extract_tl

Browse Source 
The EXTR instructions can use the extract opcodes.

Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-10-19 11:23:19 -07:00
parent 0d67249c6d
commit 8b8bb29548
1 changed files with 4 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
target/tricore/translate.c
View File

@ -6542,28 +6542,16 @@ static void decode_rrpw_extract_insert(DisasContext *ctx)
switch (op2) {
case OPC2_32_RRPW_EXTR:
if (width == 0) {
tcg_gen_movi_tl(cpu_gpr_d[r3], 0);
break;
}
if (pos + width <= 32) {
/* optimize special cases */
if ((pos == 0) && (width == 8)) {
tcg_gen_ext8s_tl(cpu_gpr_d[r3], cpu_gpr_d[r1]);
} else if ((pos == 0) && (width == 16)) {
tcg_gen_ext16s_tl(cpu_gpr_d[r3], cpu_gpr_d[r1]);
} else {
tcg_gen_shli_tl(cpu_gpr_d[r3], cpu_gpr_d[r1], 32 - pos - width);
tcg_gen_sari_tl(cpu_gpr_d[r3], cpu_gpr_d[r3], 32 - width);
}
tcg_gen_movi_tl(cpu_gpr_d[r3], 0);
} else if (pos + width <= 32) {
tcg_gen_sextract_tl(cpu_gpr_d[r3], cpu_gpr_d[r1], pos, width);
}
break;
case OPC2_32_RRPW_EXTR_U:
if (width == 0) {
tcg_gen_movi_tl(cpu_gpr_d[r3], 0);
} else {
tcg_gen_shri_tl(cpu_gpr_d[r3], cpu_gpr_d[r1], pos);
tcg_gen_andi_tl(cpu_gpr_d[r3], cpu_gpr_d[r3], ~0u >> (32-width));
tcg_gen_extract_tl(cpu_gpr_d[r3], cpu_gpr_d[r1], pos, width);
}
break;
case OPC2_32_RRPW_IMASK: