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Diffstat (limited to 'gcc/config/rs6000/predicates.md')
| -rw-r--r-- | gcc/config/rs6000/predicates.md | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/gcc/config/rs6000/predicates.md b/gcc/config/rs6000/predicates.md index e02978d41a7..abb94dca6e1 100644 --- a/gcc/config/rs6000/predicates.md +++ b/gcc/config/rs6000/predicates.md @@ -1649,9 +1649,9 @@ if ((value & (HOST_WIDE_INT)0xffff0000) == 0) return 0; - /* Power8 currently will only do the fusion if the top 11 bits of the addis - value are all 1's or 0's. */ - return (IN_RANGE (value >> 16, -32, 31)); + /* Power8 only does the fusion if the top 12 bits of the addis value are all + 1's or 0's. */ + return (IN_RANGE (value >> 16, -16, 15)); }) ;; Match the second insn (lbz, lhz, lwz, ld) in fusing the combination of addis @@ -1719,7 +1719,7 @@ ;; memory field with both the addis and the memory offset. Sign extension ;; is not handled here, since lha and lwa are not fused. (define_predicate "fusion_addis_mem_combo_load" - (match_code "mem,zero_extend,float_extend") + (match_code "mem,zero_extend") { rtx addr, base, offset; |