Mercurial > hg > truffle
diff src/cpu/sparc/vm/sparc.ad @ 2254:ab42c7e1cf83
7017746: Regression : C2 compiler crash due to SIGSEGV in PhaseCFG::schedule_early()
Summary: Add TEMP edges (and KILL projections) before duplicated operands are removed in Expand() methods.
Reviewed-by: never
| author | kvn |
|---|---|
| date | Thu, 10 Feb 2011 14:25:59 -0800 |
| parents | c17b998c5926 |
| children | 7e88bdae86ec |
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--- a/src/cpu/sparc/vm/sparc.ad Thu Feb 10 00:47:59 2011 -0800 +++ b/src/cpu/sparc/vm/sparc.ad Thu Feb 10 14:25:59 2011 -0800 @@ -8125,6 +8125,17 @@ %} #endif +instruct cmpLTMask0( iRegI dst, iRegI src, immI0 zero, flagsReg ccr ) %{ + match(Set dst (CmpLTMask src zero)); + effect(KILL ccr); + size(4); + format %{ "SRA $src,#31,$dst\t# cmpLTMask0" %} + ins_encode %{ + __ sra($src$$Register, 31, $dst$$Register); + %} + ins_pipe(ialu_reg_imm); +%} + instruct cmpLTMask_reg_reg( iRegI dst, iRegI p, iRegI q, flagsReg ccr ) %{ match(Set dst (CmpLTMask p q)); effect( KILL ccr ); @@ -8144,19 +8155,7 @@ format %{ "SUBcc $p,$q,$p\t! p' = p-q\n\t" "ADD $p,$y,$tmp\t! g3=p-q+y\n\t" - "MOVl $tmp,$p\t! p' < 0 ? p'+y : p'" %} - ins_encode( enc_cadd_cmpLTMask(p, q, y, tmp) ); - ins_pipe( cadd_cmpltmask ); -%} - -instruct cadd_cmpLTMask2( iRegI p, iRegI q, iRegI y, iRegI tmp, flagsReg ccr ) %{ - match(Set p (AddI (SubI p q) (AndI (CmpLTMask p q) y))); - effect( KILL ccr, TEMP tmp); - ins_cost(DEFAULT_COST*3); - - format %{ "SUBcc $p,$q,$p\t! p' = p-q\n\t" - "ADD $p,$y,$tmp\t! g3=p-q+y\n\t" - "MOVl $tmp,$p\t! p' < 0 ? p'+y : p'" %} + "MOVlt $tmp,$p\t! p' < 0 ? p'+y : p'" %} ins_encode( enc_cadd_cmpLTMask(p, q, y, tmp) ); ins_pipe( cadd_cmpltmask ); %}