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| author | Richard Guenther <rguenther@suse.de> | 2011-05-08 15:46:06 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2011-05-08 15:46:06 +0000 |
| commit | 5c04950727f2a7a0e00c07776a417f24aea7da9a (patch) | |
| tree | bf5044023402e0eca4e7207ffe7c361272c52bf4 /gcc/expmed.c | |
| parent | 03a7c1de3106761bf92b22d13c6678d65181c5f0 (diff) | |
| download | gcc-5c04950727f2a7a0e00c07776a417f24aea7da9a.zip gcc-5c04950727f2a7a0e00c07776a417f24aea7da9a.tar.gz gcc-5c04950727f2a7a0e00c07776a417f24aea7da9a.tar.bz2 | |
re PR middle-end/48908 (build fails on cris-elf in libiberty:md5.c, shift-related)
2011-05-08 Richard Guenther <rguenther@suse.de>
PR middle-end/48908
PR middle-end/48905
* expmed.c (expand_shift_1): Compute adjusted constant shift
amount manually.
From-SVN: r173550
Diffstat (limited to 'gcc/expmed.c')
| -rw-r--r-- | gcc/expmed.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/gcc/expmed.c b/gcc/expmed.c index 4e1ea3a..18a6592 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -2142,10 +2142,14 @@ expand_shift_1 (enum tree_code code, enum machine_mode mode, rtx shifted, rtx temp1; new_amount = op1; - other_amount - = simplify_gen_binary (MINUS, GET_MODE (op1), - GEN_INT (GET_MODE_BITSIZE (mode)), - op1); + if (CONST_INT_P (op1)) + other_amount = GEN_INT (GET_MODE_BITSIZE (mode) + - INTVAL (op1)); + else + other_amount + = simplify_gen_binary (MINUS, GET_MODE (op1), + GEN_INT (GET_MODE_BITSIZE (mode)), + op1); shifted = force_reg (mode, shifted); |