diff options
| author | Alistair Francis <alistair.francis@wdc.com> | 2020-02-10 10:36:21 -0800 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2020-08-27 08:17:42 -0700 |
| commit | 5b6113d62efabb123db433b14adddd4a5fb6b7ec (patch) | |
| tree | 1959bde3e74c6e491bbce89f0f8e1806647c9225 /sysdeps/riscv/sfp-machine.h | |
| parent | 07598d76006faec6c60a9d86bda44dcb81b3a743 (diff) | |
| download | glibc-5b6113d62efabb123db433b14adddd4a5fb6b7ec.tar.gz glibc-5b6113d62efabb123db433b14adddd4a5fb6b7ec.tar.xz glibc-5b6113d62efabb123db433b14adddd4a5fb6b7ec.zip | |
RISC-V: Support the 32-bit ABI implementation
This patch adds the ABI implementation for 32-bit RISC-V. It contains the Linux-specific and RISC-V architecture code. Reviewed-by: Maciej W. Rozycki <macro@wdc.com>
Diffstat (limited to 'sysdeps/riscv/sfp-machine.h')
| -rw-r--r-- | sysdeps/riscv/sfp-machine.h | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/sysdeps/riscv/sfp-machine.h b/sysdeps/riscv/sfp-machine.h index 08a84fd701..bbeb9b37cf 100644 --- a/sysdeps/riscv/sfp-machine.h +++ b/sysdeps/riscv/sfp-machine.h @@ -22,7 +22,32 @@ #if __riscv_xlen == 32 -# error "rv32i-based targets are not supported" +# define _FP_W_TYPE_SIZE 32 +# define _FP_W_TYPE unsigned long +# define _FP_WS_TYPE signed long +# define _FP_I_TYPE long + +# define _FP_MUL_MEAT_S(R, X, Y) \ + _FP_MUL_MEAT_1_wide (_FP_WFRACBITS_S, R, X, Y, umul_ppmm) +# define _FP_MUL_MEAT_D(R, X, Y) \ + _FP_MUL_MEAT_2_wide (_FP_WFRACBITS_D, R, X, Y, umul_ppmm) +# define _FP_MUL_MEAT_Q(R, X, Y) \ + _FP_MUL_MEAT_4_wide (_FP_WFRACBITS_Q, R, X, Y, umul_ppmm) + +# define _FP_MUL_MEAT_DW_S(R, X, Y) \ + _FP_MUL_MEAT_DW_1_wide (_FP_WFRACBITS_S, R, X, Y, umul_ppmm) +# define _FP_MUL_MEAT_DW_D(R, X, Y) \ + _FP_MUL_MEAT_DW_2_wide (_FP_WFRACBITS_D, R, X, Y, umul_ppmm) +# define _FP_MUL_MEAT_DW_Q(R, X, Y) \ + _FP_MUL_MEAT_DW_4_wide (_FP_WFRACBITS_Q, R, X, Y, umul_ppmm) + +# define _FP_DIV_MEAT_S(R, X, Y) _FP_DIV_MEAT_1_udiv_norm (S, R, X, Y) +# define _FP_DIV_MEAT_D(R, X, Y) _FP_DIV_MEAT_2_udiv (D, R, X, Y) +# define _FP_DIV_MEAT_Q(R, X, Y) _FP_DIV_MEAT_4_udiv (Q, R, X, Y) + +# define _FP_NANFRAC_S _FP_QNANBIT_S +# define _FP_NANFRAC_D _FP_QNANBIT_D, 0 +# define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0, 0, 0 #else |