tcg/s390x: Use LARL+AGHI for odd addresses
Add one instead of dropping odd addresses to the constant pool. Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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@ -806,6 +806,7 @@ static void tcg_out_movi(TCGContext *s, TCGType type,
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TCGReg ret, tcg_target_long sval)
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{
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tcg_target_ulong uval;
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ptrdiff_t pc_off;
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/* Try all 32-bit insns that can load it in one go. */
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if (maybe_out_small_movi(s, type, ret, sval)) {
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@ -832,14 +833,14 @@ static void tcg_out_movi(TCGContext *s, TCGType type,
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return;
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}
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/* Try for PC-relative address load. For odd addresses,
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attempt to use an offset from the start of the TB. */
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if ((sval & 1) == 0) {
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ptrdiff_t off = tcg_pcrel_diff(s, (void *)sval) >> 1;
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if (off == (int32_t)off) {
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tcg_out_insn(s, RIL, LARL, ret, off);
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return;
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/* Try for PC-relative address load. For odd addresses, add one. */
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pc_off = tcg_pcrel_diff(s, (void *)sval) >> 1;
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if (pc_off == (int32_t)pc_off) {
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tcg_out_insn(s, RIL, LARL, ret, pc_off);
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if (sval & 1) {
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tcg_out_insn(s, RI, AGHI, ret, 1);
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}
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return;
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}
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/* Otherwise, stuff it in the constant pool. */
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