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| author | Richard Henderson <richard.henderson@linaro.org> | 2021-08-06 08:03:45 -1000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2021-09-21 19:36:44 -0700 |
| commit | d7fc9f48c3056dc1a1e69d095858742f012ae910 (patch) | |
| tree | b38c8706696d1d742afc83203eceef925699d337 /tcg | |
| parent | 10d4af5810ab0250418e34e40be817932f26ff95 (diff) | |
| download | qemu-d7fc9f48c3056dc1a1e69d095858742f012ae910.zip qemu-d7fc9f48c3056dc1a1e69d095858742f012ae910.tar.gz qemu-d7fc9f48c3056dc1a1e69d095858742f012ae910.tar.bz2 | |
tcg/mips: Allow JAL to be out of range in tcg_out_bswap_subr
Weaning off of unique alignment requirements, so allow JAL
to not reach the target. TCG_TMP1 is always available for
use as a scratch because it is clobbered by the subroutine
being called.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/mips/tcg-target.c.inc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/tcg/mips/tcg-target.c.inc b/tcg/mips/tcg-target.c.inc index 320795a..3a40af8 100644 --- a/tcg/mips/tcg-target.c.inc +++ b/tcg/mips/tcg-target.c.inc @@ -573,8 +573,10 @@ static void tcg_out_bswap16(TCGContext *s, TCGReg ret, TCGReg arg, int flags) static void tcg_out_bswap_subr(TCGContext *s, const tcg_insn_unit *sub) { - bool ok = tcg_out_opc_jmp(s, OPC_JAL, sub); - tcg_debug_assert(ok); + if (!tcg_out_opc_jmp(s, OPC_JAL, sub)) { + tcg_out_movi(s, TCG_TYPE_PTR, TCG_TMP1, (uintptr_t)sub); + tcg_out_opc_reg(s, OPC_JALR, TCG_REG_RA, TCG_TMP1, 0); + } } static void tcg_out_bswap32(TCGContext *s, TCGReg ret, TCGReg arg, int flags) |