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| author | Walter Lee <walt@tilera.com> | 2012-02-26 07:56:56 +0000 |
|---|---|---|
| committer | Walter Lee <walt@gcc.gnu.org> | 2012-02-26 07:56:56 +0000 |
| commit | 7afd1a8e940f99effb8a31397c4d3825a3960191 (patch) | |
| tree | 6a4617e5e269b1f5118f99b92101564761594252 | |
| parent | f6d2bbbadc483446a2a345cfa198334c84796770 (diff) | |
| download | gcc-7afd1a8e940f99effb8a31397c4d3825a3960191.zip gcc-7afd1a8e940f99effb8a31397c4d3825a3960191.tar.gz gcc-7afd1a8e940f99effb8a31397c4d3825a3960191.tar.bz2 | |
Fix a bug in tilegx_fixup_pcrel_references...
Fix a bug in tilegx_fixup_pcrel_references, to properly match and
fixup the second instruction of the instruction sequence to generate a
pc relative address.
* config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction
pattern.
(replace_mov_pcrel_step2): Ditto.
From-SVN: r184582
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/tilegx/tilegx.c | 26 |
2 files changed, 25 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5dfe71f..4904aec 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2012-02-26 Walter Lee <walt@tilera.com> + + * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction + pattern. + (replace_mov_pcrel_step2): Ditto. + 2012-02-25 Alexandre Oliva <aoliva@redhat.com> PR debug/52001 diff --git a/gcc/config/tilegx/tilegx.c b/gcc/config/tilegx/tilegx.c index 276b5d2..fa739e3 100644 --- a/gcc/config/tilegx/tilegx.c +++ b/gcc/config/tilegx/tilegx.c @@ -4420,7 +4420,9 @@ replace_mov_pcrel_step1 (rtx insn) static bool match_pcrel_step2 (rtx insn) { - rtx src; + rtx unspec; + rtx addr; + if (TARGET_32BIT) { if (recog_memoized (insn) != CODE_FOR_insn_addr_shl16insli_32bit) @@ -4432,11 +4434,12 @@ match_pcrel_step2 (rtx insn) return false; } - src = SET_SRC (PATTERN (insn)); + unspec = SET_SRC (PATTERN (insn)); + addr = XVECEXP (unspec, 0, 1); - return (GET_CODE (src) == CONST - && GET_CODE (XEXP (src, 0)) == UNSPEC - && XINT (XEXP (src, 0), 1) == UNSPEC_HW0_PCREL); + return (GET_CODE (addr) == CONST + && GET_CODE (XEXP (addr, 0)) == UNSPEC + && XINT (XEXP (addr, 0), 1) == UNSPEC_HW0_PCREL); } @@ -4446,6 +4449,7 @@ replace_mov_pcrel_step2 (rtx insn) { rtx pattern = PATTERN (insn); rtx unspec; + rtx addr; rtx opnds[3]; rtx new_insns; rtx got_rtx = tilegx_got_rtx (); @@ -4453,10 +4457,18 @@ replace_mov_pcrel_step2 (rtx insn) gcc_assert (GET_CODE (pattern) == SET); opnds[0] = SET_DEST (pattern); - unspec = XEXP (SET_SRC (pattern), 0); + unspec = SET_SRC (pattern); + gcc_assert (GET_CODE (unspec) == UNSPEC); + gcc_assert (XINT (unspec, 1) == UNSPEC_INSN_ADDR_SHL16INSLI); + + opnds[1] = XVECEXP (unspec, 0, 0); + + addr = XVECEXP (unspec, 0, 1); + gcc_assert (GET_CODE (addr) == CONST); + + unspec = XEXP (addr, 0); gcc_assert (GET_CODE (unspec) == UNSPEC); gcc_assert (XINT (unspec, 1) == UNSPEC_HW0_PCREL); - opnds[1] = XEXP (XEXP (SET_SRC (pattern), 0), 0); opnds[2] = XVECEXP (unspec, 0, 0); /* We only need to replace SYMBOL_REFs, not LABEL_REFs. */ |