diff options
Diffstat (limited to 'gcc/config/m68hc11/m68hc11.c')
| -rw-r--r-- | gcc/config/m68hc11/m68hc11.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/gcc/config/m68hc11/m68hc11.c b/gcc/config/m68hc11/m68hc11.c index 10bc7a0..024e55d 100644 --- a/gcc/config/m68hc11/m68hc11.c +++ b/gcc/config/m68hc11/m68hc11.c @@ -141,10 +141,6 @@ int m68hc11_sp_correction; int m68hc11_addr_mode; int m68hc11_mov_addr_mode; - -/* Comparison operands saved by the "tstxx" and "cmpxx" expand patterns. */ -rtx m68hc11_compare_op0; -rtx m68hc11_compare_op1; const struct processor_costs *m68hc11_cost; @@ -3877,7 +3873,11 @@ m68hc11_notice_update_cc (rtx exp, rtx insn ATTRIBUTE_UNUSED) { cc_status.flags = 0; cc_status.value1 = XEXP (exp, 0); - cc_status.value2 = XEXP (exp, 1); + if (GET_CODE (XEXP (exp, 1)) == COMPARE + && XEXP (XEXP (exp, 1), 1) == CONST0_RTX (GET_MODE (XEXP (XEXP (exp, 1), 0)))) + cc_status.value2 = XEXP (XEXP (exp, 1), 0); + else + cc_status.value2 = XEXP (exp, 1); } else { @@ -5355,6 +5355,7 @@ m68hc11_rtx_costs_1 (rtx x, enum rtx_code code, case COMPARE: case ABS: case ZERO_EXTEND: + case ZERO_EXTRACT: total = extra_cost + rtx_cost (XEXP (x, 0), code, !optimize_size); if (mode == QImode) { @@ -5405,6 +5406,10 @@ m68hc11_rtx_costs (rtx x, int code, int outer_code, int *total, *total = 0; return true; + case ZERO_EXTRACT: + if (outer_code != COMPARE) + return false; + case ROTATE: case ROTATERT: case ASHIFT: |