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| author | Jerry DeLisle <jvdelisle@gcc.gnu.org> | 2025-09-02 15:58:26 -0700 |
|---|---|---|
| committer | Jerry DeLisle <jvdelisle@gcc.gnu.org> | 2025-09-02 15:58:26 -0700 |
| commit | 071b4126c613881f4cb25b4e5c39032964827f88 (patch) | |
| tree | 7ed805786566918630d1d617b1ed8f7310f5fd8e /gcc/cprop.cc | |
| parent | 845d23f3ea08ba873197c275a8857eee7edad996 (diff) | |
| parent | caa1c2f42691d68af4d894a5c3e700ecd2dba080 (diff) | |
| download | gcc-devel/gfortran-test.zip gcc-devel/gfortran-test.tar.gz gcc-devel/gfortran-test.tar.bz2 | |
Merge branch 'master' into gfortran-testdevel/gfortran-test
Diffstat (limited to 'gcc/cprop.cc')
| -rw-r--r-- | gcc/cprop.cc | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/gcc/cprop.cc b/gcc/cprop.cc index bc72e64..dfe3462 100644 --- a/gcc/cprop.cc +++ b/gcc/cprop.cc @@ -1525,6 +1525,7 @@ static bool bypass_block (basic_block bb, rtx_insn *setcc, rtx_insn *jump) { rtx_insn *insn; + rtx setcc_src, setcc_dest; rtx note; edge e, edest; bool change; @@ -1533,7 +1534,19 @@ bypass_block (basic_block bb, rtx_insn *setcc, rtx_insn *jump) unsigned i; edge_iterator ei; - insn = (setcc != NULL) ? setcc : jump; + if (setcc != NULL) + { + rtx set = single_set (setcc); + setcc_dest = SET_DEST (set); + setcc_src = SET_SRC (set); + insn = setcc; + } + else + { + setcc_dest = NULL; + setcc_src = NULL; + insn = jump; + } /* Determine set of register uses in INSN. */ reg_use_count = 0; @@ -1608,9 +1621,7 @@ bypass_block (basic_block bb, rtx_insn *setcc, rtx_insn *jump) src = SET_SRC (pc_set (jump)); if (setcc != NULL) - src = simplify_replace_rtx (src, - SET_DEST (PATTERN (setcc)), - SET_SRC (PATTERN (setcc))); + src = simplify_replace_rtx (src, setcc_dest, setcc_src); new_rtx = simplify_replace_rtx (src, reg_used, set->src); @@ -1716,10 +1727,11 @@ bypass_conditional_jumps (void) { if (setcc) break; - if (GET_CODE (PATTERN (insn)) != SET) + rtx singleset = single_set (insn); + if (singleset == NULL_RTX) break; - dest = SET_DEST (PATTERN (insn)); + dest = SET_DEST (singleset); if (REG_P (dest)) setcc = insn; else |