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Minor 32-bit untag-fixnum optimization

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* libguile/jit.c (compile_untag_fixnum): Minor optimization in 32-bit
  case.
This commit is contained in:
Andy Wingo 2018-09-01 10:29:05 +02:00
parent dafa648915
commit 7c0bfcb097
1 changed files with 1 additions and 2 deletions
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3
libguile/jit.c
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@ -3303,8 +3303,7 @@ compile_untag_fixnum (scm_jit_state *j, uint16_t dst, uint16_t a)
emit_sp_set_s64 (j, dst, T0);
#else
/* FIXME: Untested! */
emit_movi (j, T1, T0);
emit_rshi (j, T1, T1, 31);
emit_rshi (j, T1, T0, 31);
emit_sp_set_s64 (j, dst, T0, T1);
#endif
}