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| author | Guo Jie <guojie@loongson.cn> | 2023-09-01 16:35:05 +0800 |
|---|---|---|
| committer | Lulu Cheng <chenglulu@loongson.cn> | 2023-09-04 09:45:54 +0800 |
| commit | 828130772c67c94dce0757d70b4e96fb7c14ea6e (patch) | |
| tree | 9df79956a3dd8461c86655167e5f3485b596a147 | |
| parent | ead6a142902b52dd129025d3a5c9cb341a27691e (diff) | |
| download | gcc-828130772c67c94dce0757d70b4e96fb7c14ea6e.zip gcc-828130772c67c94dce0757d70b4e96fb7c14ea6e.tar.gz gcc-828130772c67c94dce0757d70b4e96fb7c14ea6e.tar.bz2 | |
LoongArch: Support storing floating-point zero into MEM[base + index].
v2: Modify commit message.
gcc/ChangeLog:
* config/loongarch/loongarch.md: Support 'G' -> 'k' in
movsf_hardfloat and movdf_hardfloat.
gcc/testsuite/ChangeLog:
* gcc.target/loongarch/const-double-zero-stx.c: New test.
| -rw-r--r-- | gcc/config/loongarch/loongarch.md | 12 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/loongarch/const-double-zero-stx.c | 18 |
2 files changed, 24 insertions, 6 deletions
diff --git a/gcc/config/loongarch/loongarch.md b/gcc/config/loongarch/loongarch.md index 0d15302..25e2e1e 100644 --- a/gcc/config/loongarch/loongarch.md +++ b/gcc/config/loongarch/loongarch.md @@ -1915,13 +1915,13 @@ }) (define_insn "*movsf_hardfloat" - [(set (match_operand:SF 0 "nonimmediate_operand" "=f,f,f,m,f,k,m,*f,*r,*r,*r,*m") - (match_operand:SF 1 "move_operand" "f,G,m,f,k,f,G,*r,*f,*G*r,*m,*r"))] + [(set (match_operand:SF 0 "nonimmediate_operand" "=f,f,f,m,f,k,m,k,*f,*r,*r,*r,*m") + (match_operand:SF 1 "move_operand" "f,G,m,f,k,f,G,G,*r,*f,*G*r,*m,*r"))] "TARGET_HARD_FLOAT && (register_operand (operands[0], SFmode) || reg_or_0_operand (operands[1], SFmode))" { return loongarch_output_move (operands[0], operands[1]); } - [(set_attr "move_type" "fmove,mgtf,fpload,fpstore,fpload,fpstore,store,mgtf,mftg,move,load,store") + [(set_attr "move_type" "fmove,mgtf,fpload,fpstore,fpload,fpstore,store,store,mgtf,mftg,move,load,store") (set_attr "mode" "SF")]) (define_insn "*movsf_softfloat" @@ -1946,13 +1946,13 @@ }) (define_insn "*movdf_hardfloat" - [(set (match_operand:DF 0 "nonimmediate_operand" "=f,f,f,m,f,k,m,*f,*r,*r,*r,*m") - (match_operand:DF 1 "move_operand" "f,G,m,f,k,f,G,*r,*f,*r*G,*m,*r"))] + [(set (match_operand:DF 0 "nonimmediate_operand" "=f,f,f,m,f,k,m,k,*f,*r,*r,*r,*m") + (match_operand:DF 1 "move_operand" "f,G,m,f,k,f,G,G,*r,*f,*r*G,*m,*r"))] "TARGET_DOUBLE_FLOAT && (register_operand (operands[0], DFmode) || reg_or_0_operand (operands[1], DFmode))" { return loongarch_output_move (operands[0], operands[1]); } - [(set_attr "move_type" "fmove,mgtf,fpload,fpstore,fpload,fpstore,store,mgtf,mftg,move,load,store") + [(set_attr "move_type" "fmove,mgtf,fpload,fpstore,fpload,fpstore,store,store,mgtf,mftg,move,load,store") (set_attr "mode" "DF")]) (define_insn "*movdf_softfloat" diff --git a/gcc/testsuite/gcc.target/loongarch/const-double-zero-stx.c b/gcc/testsuite/gcc.target/loongarch/const-double-zero-stx.c new file mode 100644 index 0000000..8fb04be --- /dev/null +++ b/gcc/testsuite/gcc.target/loongarch/const-double-zero-stx.c @@ -0,0 +1,18 @@ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ +/* { dg-final { scan-assembler-times {stx\..\t\$r0} 2 } } */ + +extern float arr_f[]; +extern double arr_d[]; + +void +test_f (int base, int index) +{ + arr_f[base + index] = 0.0; +} + +void +test_d (int base, int index) +{ + arr_d[base + index] = 0.0; +} |