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| author | Pat Haugen <pthaugen@linux.ibm.com> | 2021-08-09 10:05:49 -0500 |
|---|---|---|
| committer | Pat Haugen <pthaugen@linux.ibm.com> | 2021-08-09 10:05:49 -0500 |
| commit | 00eab082e9f6ac2a7c4b38323829be29f092abcb (patch) | |
| tree | 6c5651d074ae43464e873967c6df7dafc309b198 /gcc | |
| parent | 9d2d660aab2f332b1e3f69a2fb3419cf3cc33b47 (diff) | |
| download | gcc-00eab082e9f6ac2a7c4b38323829be29f092abcb.zip gcc-00eab082e9f6ac2a7c4b38323829be29f092abcb.tar.gz gcc-00eab082e9f6ac2a7c4b38323829be29f092abcb.tar.bz2 | |
Verify destination[source] of a load[store] instruction is a register.
gcc/ChangeLog:
* config/rs6000/rs6000.c (is_load_insn1): Verify destination is a
register.
(is_store_insn1): Verify source is a register.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 5b1c06b..60f406a 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -18363,7 +18363,12 @@ is_load_insn1 (rtx pat, rtx *load_mem) return false; if (GET_CODE (pat) == SET) - return find_mem_ref (SET_SRC (pat), load_mem); + { + if (REG_P (SET_DEST (pat))) + return find_mem_ref (SET_SRC (pat), load_mem); + else + return false; + } if (GET_CODE (pat) == PARALLEL) { @@ -18400,7 +18405,12 @@ is_store_insn1 (rtx pat, rtx *str_mem) return false; if (GET_CODE (pat) == SET) - return find_mem_ref (SET_DEST (pat), str_mem); + { + if (REG_P (SET_SRC (pat)) || SUBREG_P (SET_SRC (pat))) + return find_mem_ref (SET_DEST (pat), str_mem); + else + return false; + } if (GET_CODE (pat) == PARALLEL) { |