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| author | Hongliang Wang <wanghongliang@loongson.cn> | 2023-09-26 09:12:01 +0800 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2024-02-16 09:33:10 -0500 |
| commit | 522bd54edaa2fa404fd428f8ad0bcb0f0bec5639 (patch) | |
| tree | dfe88361bcbbd17ac53b8af36cb52337f21095e9 /src/fenv | |
| parent | 4a16ddf53e7c634169d0a649782f8a724611f263 (diff) | |
| download | musl-522bd54edaa2fa404fd428f8ad0bcb0f0bec5639.tar.gz musl-522bd54edaa2fa404fd428f8ad0bcb0f0bec5639.tar.xz musl-522bd54edaa2fa404fd428f8ad0bcb0f0bec5639.zip | |
add loongarch64 port
Author: Xiaojuan Zhai <zhaixiaojuan@loongson.cn> Author: Meidan Li <limeidan@loongson.cn> Author: Guoqi Chen <chenguoqi@loongson.cn> Author: Xiaolin Zhao <zhaoxiaolin@loongson.cn> Author: Fan peng <fanpeng@loongson.cn> Author: Jiantao Shan <shanjiantao@loongson.cn> Author: Xuhui Qiang <qiangxuhui@loongson.cn> Author: Jingyun Hua <huajingyun@loongson.cn> Author: Liu xue <liuxue@loongson.cn> Author: Hongliang Wang <wanghongliang@loongson.cn>
Diffstat (limited to 'src/fenv')
| -rw-r--r-- | src/fenv/loongarch64/fenv.S | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/fenv/loongarch64/fenv.S b/src/fenv/loongarch64/fenv.S new file mode 100644 index 00000000..9c38599e --- /dev/null +++ b/src/fenv/loongarch64/fenv.S @@ -0,0 +1,78 @@ +#ifndef __loongarch_soft_float + +#ifdef BROKEN_LOONGARCH_FCSR_ASM +#define FCSR $r0 +#else +#define FCSR $fcsr0 +#endif + +.global feclearexcept +.type feclearexcept,@function +feclearexcept: + li.w $t0, 0x1f0000 + and $a0, $a0, $t0 + movfcsr2gr $t1, FCSR + andn $t1, $t1, $a0 + movgr2fcsr FCSR, $t1 + li.w $a0, 0 + jr $ra + +.global feraiseexcept +.type feraiseexcept,@function +feraiseexcept: + li.w $t0, 0x1f0000 + and $a0, $a0, $t0 + movfcsr2gr $t1, FCSR + or $t1, $t1, $a0 + movgr2fcsr FCSR, $t1 + li.w $a0, 0 + jr $ra + +.global fetestexcept +.type fetestexcept,@function +fetestexcept: + li.w $t0, 0x1f0000 + and $a0, $a0, $t0 + movfcsr2gr $t1, FCSR + and $a0, $t1, $a0 + jr $ra + +.global fegetround +.type fegetround,@function +fegetround: + movfcsr2gr $t0, FCSR + andi $a0, $t0, 0x300 + jr $ra + +.global __fesetround +.hidden __fesetround +.type __fesetround,@function +__fesetround: + li.w $t0, 0x300 + and $a0, $a0, $t0 + movfcsr2gr $t1, FCSR + andn $t1, $t1, $t0 + or $t1, $t1, $a0 + movgr2fcsr FCSR, $t1 + li.w $a0, 0 + jr $ra + +.global fegetenv +.type fegetenv,@function +fegetenv: + movfcsr2gr $t0, FCSR + st.w $t0, $a0, 0 + li.w $a0, 0 + jr $ra + +.global fesetenv +.type fesetenv,@function +fesetenv: + addi.d $t0, $a0, 1 + beq $t0, $r0, 1f + ld.w $t0, $a0, 0 +1: movgr2fcsr FCSR, $t0 + li.w $a0, 0 + jr $ra + +#endif |