/* { dg-do compile { target { ! riscv_abi_e } } } */ /* { dg-require-effective-target rv32 } */ /* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-Os" "-Oz" "-flto" } } */ /* { dg-options "-march=rv32gc -mtune=sifive-5-series -mbranch-cost=6 -mmovcc -fdump-rtl-ce1" } */ int __RTL (startwith ("ce1")) foo (long a, long b) { (function "foo" (param "a" (DECL_RTL (reg/v:SI <2> [ a ])) (DECL_RTL_INCOMING (reg:SI a0 [ a ]))) (param "b" (DECL_RTL (reg/v:SI <3> [ b ])) (DECL_RTL_INCOMING (reg:SI a1 [ b ]))) (insn-chain (block 2 (edge-from entry (flags "FALLTHRU")) (cnote 6 [bb 2] NOTE_INSN_BASIC_BLOCK) (cinsn 2 (set (reg/v:SI <2> [ a ]) (reg:SI a0 [ a ])) "cset-sext.c":8:1 (expr_list:REG_DEAD (reg:SI a0 [ a ]))) (cinsn 3 (set (reg/v:SI <3> [ b ]) (reg:SI a1 [ b ])) "cset-sext.c":8:1 (expr_list:REG_DEAD (reg:SI a1 [ b ]))) (cnote 4 NOTE_INSN_FUNCTION_BEG) (cjump_insn 8 (set (pc) (if_then_else (eq (reg/v:SI <3> [ b ]) (const_int 0)) (label_ref:SI 23) (pc))) "cset-sext.c":9:6 (int_list:REG_BR_PROB 365072228)) (edge-to 4) (edge-to 3 (flags "FALLTHRU")) ) ;; block 2 (block 3 (edge-from 2 (flags "FALLTHRU")) (cnote 9 [bb 3] NOTE_INSN_BASIC_BLOCK) (cinsn 10 (set (reg:SI <1> [ ]) (ne:SI (reg/v:SI <2> [ a ]) (const_int 0))) "cset-sext.c":11:11 (expr_list:REG_DEAD (reg/v:SI <2> [ a ]))) (edge-to 5 (flags "FALLTHRU")) ) ;; block 3 (block 4 (edge-from 2) (clabel 23 3) (cnote 22 [bb 4] NOTE_INSN_BASIC_BLOCK) (cinsn 5 (set (reg:SI <1> [ ]) (const_int 0)) "cset-sext.c":10:12 (expr_list:REG_DEAD (reg/v:SI <3> [ b ]))) (edge-to 5 (flags "FALLTHRU")) ) ;; block 4 (block 5 (edge-from 4 (flags "FALLTHRU")) (edge-from 3 (flags "FALLTHRU")) (clabel 16 1) (cnote 19 [bb 5] NOTE_INSN_BASIC_BLOCK) (cinsn 17 (set (reg/i:SI a0) (reg:SI <1> [ ])) "cset-sext.c":15:1 (expr_list:REG_DEAD (reg:SI <1> [ ]))) (cinsn 18 (use (reg/i:SI a0)) "cset-sext.c":15:1) (edge-to exit (flags "FALLTHRU")) ) ;; block 5 ) ;; insn-chain (crtl (return_rtx (reg/i:SI a0) ) ;; return_rtx ) ;; crtl ) ;; function "foo" } /* Expect branchless assembly like: snez a1,a1 neg a1,a1 snez a0,a0 and a0,a1,a0 */ /* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove_arith" 1 "ce1" } } */ /* { dg-final { scan-assembler-times "\\ssnez\\s" 2 } } */ /* { dg-final { scan-assembler-not "\\s(?:beq|bne)\\s" } } */