From: Aaron Sawdey Date: Sat, 9 Feb 2019 17:06:12 +0000 (+0000) Subject: rs6000-string.c (expand_compare_loop, [...]): Insert REG_BR_PROB notes in inline... X-Git-Tag: basepoints/gcc-10~1265 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5585759fdb6cc1e870670970473b789b3b920961;p=thirdparty%2Fgcc.git rs6000-string.c (expand_compare_loop, [...]): Insert REG_BR_PROB notes in inline expansion of memcmp/strncmp. 2019-02-09 Aaron Sawdey * config/rs6000/rs6000-string.c (expand_compare_loop, expand_block_compare): Insert REG_BR_PROB notes in inline expansion of memcmp/strncmp. From-SVN: r268724 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c6a97e1b4c0d..b0cfc0f1ed5a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2019-02-09 Aaron Sawdey + + * config/rs6000/rs6000-string.c (expand_compare_loop, + expand_block_compare): Insert REG_BR_PROB notes in inline expansion of + memcmp/strncmp. + 2019-02-09 Jakub Jelinek PR middle-end/89246 diff --git a/gcc/config/rs6000/rs6000-string.c b/gcc/config/rs6000/rs6000-string.c index 7101dc77e081..560ecbaccc7b 100644 --- a/gcc/config/rs6000/rs6000-string.c +++ b/gcc/config/rs6000/rs6000-string.c @@ -1525,6 +1525,7 @@ expand_compare_loop (rtx operands[]) else j = emit_jump_insn (gen_bdnztf_si (fc_loop, ctr, ctr, eqrtx, cond)); + add_reg_br_prob_note (j, profile_probability::likely ()); JUMP_LABEL (j) = fc_loop; LABEL_NUSES (fc_loop) += 1; @@ -1896,7 +1897,8 @@ expand_block_compare_gpr(unsigned HOST_WIDE_INT bytes, unsigned int base_align, rtx ne_rtx = gen_rtx_NE (VOIDmode, cond, const0_rtx); rtx ifelse = gen_rtx_IF_THEN_ELSE (VOIDmode, ne_rtx, cvt_ref, pc_rtx); - rtx j = emit_jump_insn (gen_rtx_SET (pc_rtx, ifelse)); + rtx_insn *j = emit_jump_insn (gen_rtx_SET (pc_rtx, ifelse)); + add_reg_br_prob_note (j, profile_probability::likely ()); JUMP_LABEL (j) = convert_label; LABEL_NUSES (convert_label) += 1; }