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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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033b8a333c
FP_DECL_EX is already used, so ret is redundant. And FP_SET_EXCEPTION will add status into return value. Signed-off-by: Liu Yu <yu.liu@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
39 lines
701 B
C
39 lines
701 B
C
#include <linux/types.h>
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#include <linux/errno.h>
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#include <asm/uaccess.h>
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#include <asm/sfp-machine.h>
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#include <math-emu/soft-fp.h>
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#include <math-emu/double.h>
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int
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fadd(void *frD, void *frA, void *frB)
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{
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FP_DECL_D(A);
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FP_DECL_D(B);
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FP_DECL_D(R);
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FP_DECL_EX;
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#ifdef DEBUG
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printk("%s: %p %p %p\n", __func__, frD, frA, frB);
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#endif
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FP_UNPACK_DP(A, frA);
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FP_UNPACK_DP(B, frB);
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#ifdef DEBUG
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printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c);
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printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c);
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#endif
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FP_ADD_D(R, A, B);
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#ifdef DEBUG
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printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c);
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#endif
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__FP_PACK_D(frD, R);
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return FP_CUR_EXCEPTIONS;
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}
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