Release 4.14 arch/powerpc/math-emu/fcmpo.c
// SPDX-License-Identifier: GPL-2.0
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/uaccess.h>
#include <asm/sfp-machine.h>
#include <math-emu/soft-fp.h>
#include <math-emu/double.h>
int
fcmpo(u32 *ccr, int crfD, void *frA, void *frB)
{
FP_DECL_D(A);
FP_DECL_D(B);
FP_DECL_EX;
int code[4] = { (1 << 3), (1 << 1), (1 << 2), (1 << 0) };
long cmp;
#ifdef DEBUG
printk("%s: %p (%08x) %d %p %p\n", __func__, ccr, *ccr, crfD, frA, frB);
#endif
FP_UNPACK_DP(A, frA);
FP_UNPACK_DP(B, frB);
#ifdef DEBUG
printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c);
printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c);
#endif
if (A_c == FP_CLS_NAN || B_c == FP_CLS_NAN)
FP_SET_EXCEPTION(EFLAG_VXVC);
FP_CMP_D(cmp, A, B, 2);
cmp = code[(cmp + 1) & 3];
__FPU_FPSCR &= ~(0x1f000);
__FPU_FPSCR |= (cmp << 12);
*ccr &= ~(15 << ((7 - crfD) << 2));
*ccr |= (cmp << ((7 - crfD) << 2));
#ifdef DEBUG
printk("CR: %08x\n", *ccr);
#endif
return FP_CUR_EXCEPTIONS;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 235 | 96.31% | 1 | 25.00% |
| Liu Yu | 4 | 1.64% | 1 | 25.00% |
| Kumar Gala | 4 | 1.64% | 1 | 25.00% |
| Harvey Harrison | 1 | 0.41% | 1 | 25.00% |
| Total | 244 | 100.00% | 4 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 247 | 93.92% | 1 | 16.67% |
| Kumar Gala | 9 | 3.42% | 1 | 16.67% |
| Liu Yu | 4 | 1.52% | 1 | 16.67% |
| Linus Torvalds | 1 | 0.38% | 1 | 16.67% |
| Harvey Harrison | 1 | 0.38% | 1 | 16.67% |
| Greg Kroah-Hartman | 1 | 0.38% | 1 | 16.67% |
| Total | 263 | 100.00% | 6 | 100.00% |
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