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Lightning: remove buggy optimization pass.

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This commit is contained in:
Hans-Kristian Arntzen 2020-02-04 20:57:50 +01:00
parent 5d67f413bf
commit c2ad0063dc
1 changed files with 4 additions and 0 deletions
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4
lightning/lib/lightning.c
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@ -3248,8 +3248,12 @@ _simplify(jit_state_t *_jit)
case jit_code_ldxi_l:
case jit_code_ldxi_f: case jit_code_ldxi_d:
regno = jit_regno(node->u.w);
#if __WORDSIZE == 32
/* XXX (maister): This is buggy with the sequence of sll, movd-to-reg, movslq-to-reg.
* The sign extension may be elided on 64-bit. */
if (simplify_ldxi(prev, node))
simplify_spill(node = prev, regno);
#endif
break;
case jit_code_stxi_c: case jit_code_stxi_s:
case jit_code_stxi_i: case jit_code_stxi_l: