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| author | Andrew Waterman <waterman@cs.berkeley.edu> | 2015-11-20 15:35:53 -0800 |
|---|---|---|
| committer | Andrew Waterman <waterman@cs.berkeley.edu> | 2015-11-20 15:37:56 -0800 |
| commit | 1d8d8bc9ea83ea9cffd1493cba20d82967a15801 (patch) | |
| tree | 40beea52b229e0390d11baf043b01f11faccd0b9 /gcc | |
| parent | 24828a8a673709facdae81f79c4e2119a37f671f (diff) | |
| download | riscv-gnu-toolchain-1d8d8bc9ea83ea9cffd1493cba20d82967a15801.zip riscv-gnu-toolchain-1d8d8bc9ea83ea9cffd1493cba20d82967a15801.tar.gz riscv-gnu-toolchain-1d8d8bc9ea83ea9cffd1493cba20d82967a15801.tar.bz2 | |
gcc: fix (?) emission of reg = (float1 != float2)
The codegen is crappy since it can't be scheduled, but at least it's
not broken like the split was.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/gcc/config/riscv/riscv.md | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/gcc/gcc/config/riscv/riscv.md b/gcc/gcc/config/riscv/riscv.md index 8f32f27..9dfa92a 100644 --- a/gcc/gcc/config/riscv/riscv.md +++ b/gcc/gcc/config/riscv/riscv.md @@ -201,6 +201,8 @@ (eq_attr "got" "load") (const_int 8) + (eq_attr "type" "fcmp") (const_int 8) + ;; SHIFT_SHIFTs are decomposed into two separate instructions. (eq_attr "move_type" "shift_shift") (const_int 8) @@ -1991,21 +1993,17 @@ DONE; }) -(define_insn_and_split "cstore<mode>4" - [(set (match_operand:SI 0 "register_operand" "=r") - (match_operator:SI 1 "fp_order_operator" +(define_insn "cstore<mode>4" + [(set (match_operand:SI 0 "register_operand" "=r") + (match_operator:SI 1 "fp_order_operator" [(match_operand:SCALARF 2 "register_operand" "f") (match_operand:SCALARF 3 "register_operand" "f")]))] "TARGET_HARD_FLOAT" { - if (GET_CODE (operands[1]) != NE) - return "f%C1.<fmt>\t%0,%2,%3"; - return "#"; + if (GET_CODE (operands[1]) == NE) + return "feq.<fmt>\t%0,%2,%3; seqz %0, %0"; + return "f%C1.<fmt>\t%0,%2,%3"; } - "" - [(set (match_dup 0) (eq:SI (match_dup 2) (match_dup 3))) - (set (match_dup 0) (eq:SI (match_dup 0) (const_int 0)))] - "" [(set_attr "type" "fcmp") (set_attr "mode" "<UNITMODE>")]) |