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| author | Ben Cheng <bccheng@google.com> | 2014-04-22 13:33:12 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-04-22 13:33:12 -0700 |
| commit | e3cc64dec20832769406aa38cde83c7dd4194bf4 (patch) | |
| tree | ef8e39be37cfe0cb69d850043b7924389ff17164 /gcc-4.9/gcc/config/s390 | |
| parent | f33c7b3122b1d7950efa88067c9a156229ba647b (diff) | |
| download | toolchain_gcc-e3cc64dec20832769406aa38cde83c7dd4194bf4.tar.gz toolchain_gcc-e3cc64dec20832769406aa38cde83c7dd4194bf4.tar.bz2 toolchain_gcc-e3cc64dec20832769406aa38cde83c7dd4194bf4.zip | |
[4.9] GCC 4.9.0 official release refresh
Change-Id: Ic99a7da8b44b789a48aeec93b33e93944d6e6767
Diffstat (limited to 'gcc-4.9/gcc/config/s390')
| -rw-r--r-- | gcc-4.9/gcc/config/s390/s390.c | 9 | ||||
| -rw-r--r-- | gcc-4.9/gcc/config/s390/s390.md | 15 |
2 files changed, 23 insertions, 1 deletions
diff --git a/gcc-4.9/gcc/config/s390/s390.c b/gcc-4.9/gcc/config/s390/s390.c index 7a79286c9..aac8de848 100644 --- a/gcc-4.9/gcc/config/s390/s390.c +++ b/gcc-4.9/gcc/config/s390/s390.c @@ -4613,7 +4613,7 @@ s390_expand_insv (rtx dest, rtx op1, rtx op2, rtx src) int smode_bsize, mode_bsize; rtx op, clobber; - if (bitsize + bitpos > GET_MODE_SIZE (mode)) + if (bitsize + bitpos > GET_MODE_BITSIZE (mode)) return false; /* Generate INSERT IMMEDIATE (IILL et al). */ @@ -9225,6 +9225,13 @@ s390_can_use_return_insn (void) if (cfun_gpr_save_slot (i)) return false; + /* For 31 bit this is not covered by the frame_size check below + since f4, f6 are saved in the register save area without needing + additional stack space. */ + if (!TARGET_64BIT + && (cfun_fpr_save_p (FPR4_REGNUM) || cfun_fpr_save_p (FPR6_REGNUM))) + return false; + if (cfun->machine->base_reg && !call_really_used_regs[REGNO (cfun->machine->base_reg)]) return false; diff --git a/gcc-4.9/gcc/config/s390/s390.md b/gcc-4.9/gcc/config/s390/s390.md index 7d9d1ad7e..b17c1fac8 100644 --- a/gcc-4.9/gcc/config/s390/s390.md +++ b/gcc-4.9/gcc/config/s390/s390.md @@ -7001,6 +7001,21 @@ "" "s390_expand_logical_operator (XOR, <MODE>mode, operands); DONE;") +; Combine replaces (xor (x) (const_int -1)) with (not (x)) when doing +; simplifications. So its better to have something matching. +(define_split + [(set (match_operand:INT 0 "nonimmediate_operand" "") + (not:INT (match_operand:INT 1 "nonimmediate_operand" "")))] + "" + [(parallel + [(set (match_dup 0) (xor:INT (match_dup 1) (match_dup 2))) + (clobber (reg:CC CC_REGNUM))])] +{ + operands[2] = constm1_rtx; + if (!s390_logical_operator_ok_p (operands)) + FAIL; +}) + ; ; xordi3 instruction pattern(s). ; |