diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2023-08-15 17:47:47 +0000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-10-22 16:32:27 -0700 |
| commit | 4a388c7932322476e2395eed350ee6b23a08bf87 (patch) | |
| tree | f40350e7f636b2199306fd0a1908f65b20096356 /tcg | |
| parent | 7a379976d6f12d44d8c97dd4ae68dab5240475b3 (diff) | |
tcg/ppc: Use ADDPCIS in tcg_out_goto_tb
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/ppc/tcg-target.c.inc | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc index 720f92ff33..6337b1e8be 100644 --- a/tcg/ppc/tcg-target.c.inc +++ b/tcg/ppc/tcg-target.c.inc @@ -2593,6 +2593,7 @@ static void tcg_out_exit_tb(TCGContext *s, uintptr_t arg) static void tcg_out_goto_tb(TCGContext *s, int which) { uintptr_t ptr = get_jmp_target_addr(s, which); + int16_t lo; /* Direct branch will be patched by tb_target_set_jmp_target. */ set_jmp_insn_offset(s, which); @@ -2602,9 +2603,15 @@ static void tcg_out_goto_tb(TCGContext *s, int which) if (USE_REG_TB) { ptrdiff_t offset = ppc_tbrel_diff(s, (void *)ptr); tcg_out_mem_long(s, LD, LDX, TCG_REG_TMP1, TCG_REG_TB, offset); + } else if (have_isa_3_00) { + ptrdiff_t offset = tcg_pcrel_diff(s, (void *)ptr) - 4; + lo = offset; + tcg_out_addpcis(s, TCG_REG_TMP1, offset - lo); + tcg_out_ld(s, TCG_TYPE_PTR, TCG_REG_TMP1, TCG_REG_TMP1, lo); } else { - tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_TMP1, ptr - (int16_t)ptr); - tcg_out_ld(s, TCG_TYPE_PTR, TCG_REG_TMP1, TCG_REG_TMP1, (int16_t)ptr); + lo = ptr; + tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_TMP1, ptr - lo); + tcg_out_ld(s, TCG_TYPE_PTR, TCG_REG_TMP1, TCG_REG_TMP1, lo); } tcg_out32(s, MTSPR | RS(TCG_REG_TMP1) | CTR); |