diff options
| -rw-r--r-- | gcc/config/i386/i386.md | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 95a6653c..b50d82b 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -11380,6 +11380,8 @@ [(set_attr "type" "alu") (set_attr "mode" "QI")]) +;; *andqi_ext<mode>_3 is defined via *<code>qi_ext<mode>_3 below. + ;; Convert wide AND instructions with immediate operand to shorter QImode ;; equivalents when possible. ;; Don't do the splitting with memory operands, since it introduces risk @@ -12092,6 +12094,26 @@ [(set_attr "type" "alu") (set_attr "mode" "QI")]) +(define_insn "*<code>qi_ext<mode>_3" + [(set (zero_extract:SWI248 + (match_operand 0 "int248_register_operand" "+Q") + (const_int 8) + (const_int 8)) + (zero_extract:SWI248 + (any_logic:SWI248 + (match_operand 1 "int248_register_operand" "%0") + (match_operand 2 "int248_register_operand" "Q")) + (const_int 8) + (const_int 8))) + (clobber (reg:CC FLAGS_REG))] + "(!TARGET_PARTIAL_REG_STALL || optimize_function_for_size_p (cfun)) + /* FIXME: without this LRA can't reload this pattern, see PR82524. */ + && (rtx_equal_p (operands[0], operands[1]) + || rtx_equal_p (operands[0], operands[2]))" + "<logic>{b}\t{%h2, %h0|%h0, %h2}" + [(set_attr "type" "alu") + (set_attr "mode" "QI")]) + ;; Convert wide OR instructions with immediate operand to shorter QImode ;; equivalents when possible. ;; Don't do the splitting with memory operands, since it introduces risk |