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authorDaniel Jacobowitz <drow@false.org>2006-08-30 10:06:39 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-08-30 10:06:39 -0400
commit0355b3e039c621d15321fd0d5cf72d8bdb8f723d (patch)
tree005fd5c6e3e78ec39ee2a3924371cbdc69b34fac /arch/arm/vfp/vfpdouble.c
parentdc709bd190c130b299ac19d596594256265c042a (diff)
[ARM] 3750/3: Fix double VFP emulation for EABI kernels
Patch from Daniel Jacobowitz vfp_put_double didn't work in a CONFIG_AEABI kernel. By swapping the arguments, we arrange for them to be in the same place regardless of ABI. I made the same change to vfp_put_float for consistency. Signed-off-by: Daniel Jacobowitz <dan@codesourcery.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/vfp/vfpdouble.c')
-rw-r--r--arch/arm/vfp/vfpdouble.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/arch/arm/vfp/vfpdouble.c b/arch/arm/vfp/vfpdouble.c
index 04bd3425b29..add48e36c2d 100644
--- a/arch/arm/vfp/vfpdouble.c
+++ b/arch/arm/vfp/vfpdouble.c
@@ -195,7 +195,7 @@ u32 vfp_double_normaliseround(int dd, struct vfp_double *vd, u32 fpscr, u32 exce
195 s64 d = vfp_double_pack(vd); 195 s64 d = vfp_double_pack(vd);
196 pr_debug("VFP: %s: d(d%d)=%016llx exceptions=%08x\n", func, 196 pr_debug("VFP: %s: d(d%d)=%016llx exceptions=%08x\n", func,
197 dd, d, exceptions); 197 dd, d, exceptions);
198 vfp_put_double(dd, d); 198 vfp_put_double(d, dd);
199 } 199 }
200 return exceptions; 200 return exceptions;
201} 201}
@@ -250,19 +250,19 @@ vfp_propagate_nan(struct vfp_double *vdd, struct vfp_double *vdn,
250 */ 250 */
251static u32 vfp_double_fabs(int dd, int unused, int dm, u32 fpscr) 251static u32 vfp_double_fabs(int dd, int unused, int dm, u32 fpscr)
252{ 252{
253 vfp_put_double(dd, vfp_double_packed_abs(vfp_get_double(dm))); 253 vfp_put_double(vfp_double_packed_abs(vfp_get_double(dm)), dd);
254 return 0; 254 return 0;
255} 255}
256 256
257static u32 vfp_double_fcpy(int dd, int unused, int dm, u32 fpscr) 257static u32 vfp_double_fcpy(int dd, int unused, int dm, u32 fpscr)
258{ 258{
259 vfp_put_double(dd, vfp_get_double(dm)); 259 vfp_put_double(vfp_get_double(dm), dd);
260 return 0; 260 return 0;
261} 261}
262 262
263static u32 vfp_double_fneg(int dd, int unused, int dm, u32 fpscr) 263static u32 vfp_double_fneg(int dd, int unused, int dm, u32 fpscr)
264{ 264{
265 vfp_put_double(dd, vfp_double_packed_negate(vfp_get_double(dm))); 265 vfp_put_double(vfp_double_packed_negate(vfp_get_double(dm)), dd);
266 return 0; 266 return 0;
267} 267}
268 268
@@ -287,7 +287,7 @@ static u32 vfp_double_fsqrt(int dd, int unused, int dm, u32 fpscr)
287 vdp = &vfp_double_default_qnan; 287 vdp = &vfp_double_default_qnan;
288 ret = FPSCR_IOC; 288 ret = FPSCR_IOC;
289 } 289 }
290 vfp_put_double(dd, vfp_double_pack(vdp)); 290 vfp_put_double(vfp_double_pack(vdp), dd);
291 return ret; 291 return ret;
292 } 292 }
293 293
@@ -476,7 +476,7 @@ static u32 vfp_double_fcvts(int sd, int unused, int dm, u32 fpscr)
476 return vfp_single_normaliseround(sd, &vsd, fpscr, exceptions, "fcvts"); 476 return vfp_single_normaliseround(sd, &vsd, fpscr, exceptions, "fcvts");
477 477
478 pack_nan: 478 pack_nan:
479 vfp_put_float(sd, vfp_single_pack(&vsd)); 479 vfp_put_float(vfp_single_pack(&vsd), sd);
480 return exceptions; 480 return exceptions;
481} 481}
482 482
@@ -573,7 +573,7 @@ static u32 vfp_double_ftoui(int sd, int unused, int dm, u32 fpscr)
573 573
574 pr_debug("VFP: ftoui: d(s%d)=%08x exceptions=%08x\n", sd, d, exceptions); 574 pr_debug("VFP: ftoui: d(s%d)=%08x exceptions=%08x\n", sd, d, exceptions);
575 575
576 vfp_put_float(sd, d); 576 vfp_put_float(d, sd);
577 577
578 return exceptions; 578 return exceptions;
579} 579}
@@ -648,7 +648,7 @@ static u32 vfp_double_ftosi(int sd, int unused, int dm, u32 fpscr)
648 648
649 pr_debug("VFP: ftosi: d(s%d)=%08x exceptions=%08x\n", sd, d, exceptions); 649 pr_debug("VFP: ftosi: d(s%d)=%08x exceptions=%08x\n", sd, d, exceptions);
650 650
651 vfp_put_float(sd, (s32)d); 651 vfp_put_float((s32)d, sd);
652 652
653 return exceptions; 653 return exceptions;
654} 654}
@@ -1084,7 +1084,7 @@ static u32 vfp_double_fdiv(int dd, int dn, int dm, u32 fpscr)
1084 vdn_nan: 1084 vdn_nan:
1085 exceptions = vfp_propagate_nan(&vdd, &vdn, &vdm, fpscr); 1085 exceptions = vfp_propagate_nan(&vdd, &vdn, &vdm, fpscr);
1086 pack: 1086 pack:
1087 vfp_put_double(dd, vfp_double_pack(&vdd)); 1087 vfp_put_double(vfp_double_pack(&vdd), dd);
1088 return exceptions; 1088 return exceptions;
1089 1089
1090 vdm_nan: 1090 vdm_nan:
@@ -1104,7 +1104,7 @@ static u32 vfp_double_fdiv(int dd, int dn, int dm, u32 fpscr)
1104 goto pack; 1104 goto pack;
1105 1105
1106 invalid: 1106 invalid:
1107 vfp_put_double(dd, vfp_double_pack(&vfp_double_default_qnan)); 1107 vfp_put_double(vfp_double_pack(&vfp_double_default_qnan), dd);
1108 return FPSCR_IOC; 1108 return FPSCR_IOC;
1109} 1109}
1110 1110