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| author | Richard Henderson <richard.henderson@linaro.org> | 2020-09-06 18:27:41 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2020-10-08 05:57:32 -0500 |
| commit | a5b30d950c42b14bc9da24d1e68add6538d23336 (patch) | |
| tree | 486c6bc0fdac02207ac0c713137ef7f2e31a8274 /tcg/tcg-op-vec.c | |
| parent | f80d09b599a5e0fd7f44653f23b04104cb703f7a (diff) | |
| download | qemu-a5b30d950c42b14bc9da24d1e68add6538d23336.zip qemu-a5b30d950c42b14bc9da24d1e68add6538d23336.tar.gz qemu-a5b30d950c42b14bc9da24d1e68add6538d23336.tar.bz2 | |
tcg: Fix generation of dupi_vec for 32-bit host
The definition of INDEX_op_dupi_vec is that it operates on
units of tcg_target_ulong -- in this case 32 bits. It does
not work to use this for a uint64_t value that happens to be
small enough to fit in tcg_target_ulong.
Fixes: d2fd745fe8b
Fixes: db432672dc5
Cc: qemu-stable@nongnu.org
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/tcg-op-vec.c')
| -rw-r--r-- | tcg/tcg-op-vec.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/tcg/tcg-op-vec.c b/tcg/tcg-op-vec.c index ed6fb55..cdbf11c 100644 --- a/tcg/tcg-op-vec.c +++ b/tcg/tcg-op-vec.c @@ -252,10 +252,10 @@ TCGv_vec tcg_const_ones_vec_matching(TCGv_vec m) void tcg_gen_dup64i_vec(TCGv_vec r, uint64_t a) { - if (TCG_TARGET_REG_BITS == 32 && a == deposit64(a, 32, 32, a)) { - do_dupi_vec(r, MO_32, a); - } else if (TCG_TARGET_REG_BITS == 64 || a == (uint64_t)(int32_t)a) { + if (TCG_TARGET_REG_BITS == 64) { do_dupi_vec(r, MO_64, a); + } else if (a == dup_const(MO_32, a)) { + do_dupi_vec(r, MO_32, a); } else { TCGv_i64 c = tcg_const_i64(a); tcg_gen_dup_i64_vec(MO_64, r, c); @@ -280,7 +280,11 @@ void tcg_gen_dup8i_vec(TCGv_vec r, uint32_t a) void tcg_gen_dupi_vec(unsigned vece, TCGv_vec r, uint64_t a) { - do_dupi_vec(r, MO_REG, dup_const(vece, a)); + if (vece == MO_64) { + tcg_gen_dup64i_vec(r, a); + } else { + do_dupi_vec(r, MO_REG, dup_const(vece, a)); + } } void tcg_gen_dup_i64_vec(unsigned vece, TCGv_vec r, TCGv_i64 a) |