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| author | David Edelsohn <edelsohn@gnu.org> | 1996-02-19 22:45:01 +0000 |
|---|---|---|
| committer | David Edelsohn <edelsohn@gnu.org> | 1996-02-19 22:45:01 +0000 |
| commit | efc0837850ac9a7ad8b7b82857fda2766e4a6bda (patch) | |
| tree | d9c7f3d2ffbd6b6419730aa6a30a18eeafccacf4 /gcc | |
| parent | 042259f23ad6239cd33fc4989f4d0d1dc9d45e76 (diff) | |
| download | gcc-efc0837850ac9a7ad8b7b82857fda2766e4a6bda.zip gcc-efc0837850ac9a7ad8b7b82857fda2766e4a6bda.tar.gz gcc-efc0837850ac9a7ad8b7b82857fda2766e4a6bda.tar.bz2 | |
update movdf and movsf splits for 64-bits
From-SVN: r11310
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/rs6000/rs6000.md | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md index 3b41a78..76891ae 100644 --- a/gcc/config/rs6000/rs6000.md +++ b/gcc/config/rs6000/rs6000.md @@ -5102,10 +5102,8 @@ [(set (match_operand:SF 0 "gpc_reg_operand" "") (match_operand:SF 1 "easy_fp_constant" ""))] "reload_completed && REGNO (operands[0]) <= 31" - [(set (match_dup 2) (match_dup 3))] - " -{ operands[2] = operand_subword (operands[0], 0, 0, SFmode); - operands[3] = operand_subword (operands[1], 0, 0, SFmode); }") + [(set (subreg:SI (match_dup 0) 0) (subreg:SI (match_dup 1) 0))] + "" (define_insn "" [(set (match_operand:SF 0 "fp_reg_or_mem_operand" "=f,f,m") @@ -5172,7 +5170,7 @@ (define_split [(set (match_operand:DF 0 "gpc_reg_operand" "") (match_operand:DF 1 "easy_fp_constant" ""))] - "reload_completed && REGNO (operands[0]) <= 31" + "TARGET_32BIT && reload_completed && REGNO (operands[0]) <= 31" [(set (match_dup 2) (match_dup 3)) (set (match_dup 4) (match_dup 5))] " @@ -5181,6 +5179,13 @@ operands[4] = operand_subword (operands[0], 1, 0, DFmode); operands[5] = operand_subword (operands[1], 1, 0, DFmode); }") +(define_split + [(set (match_operand:DF 0 "gpc_reg_operand" "") + (match_operand:DF 1 "easy_fp_constant" ""))] + "TARGET_64BIT && reload_completed && REGNO (operands[0]) <= 31" + [(set (subreg:DI (match_dup 0) 0) (subreg:DI (match_dup 1) 0))] + "") + ;; Don't have reload use general registers to load a constant. First, ;; it might not work if the output operand has is the equivalent of ;; a non-offsettable memref, but also it is less efficient than loading |