aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/i386/i686
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/i386/i686')
-rw-r--r--sysdeps/i386/i686/fpu/multiarch/Makefile2
-rw-r--r--sysdeps/i386/i686/fpu/multiarch/e_expf.c18
-rw-r--r--sysdeps/i386/i686/fpu/multiarch/s_cosf-sse2.S559
-rw-r--r--sysdeps/i386/i686/fpu/multiarch/s_cosf.c29
-rw-r--r--sysdeps/i386/i686/fpu/multiarch/s_sinf-sse2.S575
-rw-r--r--sysdeps/i386/i686/fpu/multiarch/s_sinf.c28
6 files changed, 1210 insertions, 1 deletions
diff --git a/sysdeps/i386/i686/fpu/multiarch/Makefile b/sysdeps/i386/i686/fpu/multiarch/Makefile
index 1de37fe..aa28f72 100644
--- a/sysdeps/i386/i686/fpu/multiarch/Makefile
+++ b/sysdeps/i386/i686/fpu/multiarch/Makefile
@@ -1,3 +1,3 @@
ifeq ($(subdir),math)
-libm-sysdep_routines += e_expf-sse2 e_expf-ia32
+libm-sysdep_routines += e_expf-sse2 e_expf-ia32 s_sinf-sse2 s_cosf-sse2
endif
diff --git a/sysdeps/i386/i686/fpu/multiarch/e_expf.c b/sysdeps/i386/i686/fpu/multiarch/e_expf.c
index 65858a3..1966400 100644
--- a/sysdeps/i386/i686/fpu/multiarch/e_expf.c
+++ b/sysdeps/i386/i686/fpu/multiarch/e_expf.c
@@ -1,3 +1,21 @@
+/* Multiple versions of expf
+ Copyright (C) 2012 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
#include <init-arch.h>
extern double __ieee754_expf_sse2 (double);
diff --git a/sysdeps/i386/i686/fpu/multiarch/s_cosf-sse2.S b/sysdeps/i386/i686/fpu/multiarch/s_cosf-sse2.S
new file mode 100644
index 0000000..2b5a2a5
--- /dev/null
+++ b/sysdeps/i386/i686/fpu/multiarch/s_cosf-sse2.S
@@ -0,0 +1,559 @@
+/* Optimized with sse2 version of cosf
+ Copyright (C) 2012 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sysdep.h>
+#define __need_Emath
+#include <bits/errno.h>
+
+/* Short algorithm description:
+ *
+ * 1) if |x| == 0: return 1.0-|x|.
+ * 2) if |x| < 2^-27: return 1.0-|x|.
+ * 3) if |x| < 2^-5 : return 1.0+x^2*DP_COS2_0+x^5*DP_COS2_1.
+ * 4) if |x| < Pi/4: return 1.0+x^2*(C0+x^2*(C1+x^2*(C2+x^2*(C3+x^2*C4)))).
+ * 5) if |x| < 9*Pi/4:
+ * 5.1) Range reduction: k=trunc(|x|/(Pi/4)), j=(k+1)&0x0e, n=k+3,
+ * t=|x|-j*Pi/4.
+ * 5.2) Reconstruction:
+ * s = (-1.0)^((n>>2)&1)
+ * if(n&2 != 0) {
+ * using cos(t) polynomial for |t|<Pi/4, result is
+ * s * (1.0+t^2*(C0+t^2*(C1+t^2*(C2+t^2*(C3+t^2*C4))))).
+ * } else {
+ * using sin(t) polynomial for |t|<Pi/4, result is
+ * s * t * (1.0+t^2*(S0+t^2*(S1+t^2*(S2+t^2*(S3+t^2*S4))))).
+ * }
+ * 6) if |x| < 2^23, large args:
+ * 6.1) Range reduction: k=trunc(|x|/(Pi/4)), j=(k+1)&0xfffffffe, n=k+3,
+ * t=|x|-j*Pi/4.
+ * 6.2) Reconstruction same as (5.2).
+ * 7) if |x| >= 2^23, very large args:
+ * 7.1) Range reduction: k=trunc(|x|/(Pi/4)), j=(k+1)&0xfffffffe, n=k+3,
+ * t=|x|-j*Pi/4.
+ * 7.2) Reconstruction same as (5.2).
+ * 8) if x is Inf, return x-x, and set errno=EDOM.
+ * 9) if x is NaN, return x-x.
+ *
+ * Special cases:
+ * cos(+-0)==+-0 not raising inexact/underflow,
+ * cos(subnormal) raises inexact/underflow
+ * cos(min_normalized) raises inexact/underflow
+ * cos(normalized) raises inexact
+ * cos(Inf) = NaN, raises invalid, sets errno to EDOM
+ * cos(NaN) = NaN
+ */
+
+#ifdef PIC
+# define MO1(symbol) L(symbol)##@GOTOFF(%ebx)
+# define MO2(symbol,reg2,_scale) L(symbol)##@GOTOFF(%ebx,reg2,_scale)
+# define SAVE_BX pushl %ebx
+# define RESTORE_BX popl %ebx
+# define ARG_X 8(%esp)
+#else
+# define MO1(symbol) L(symbol)
+# define MO2(symbol,reg2,_scale) L(symbol)(,reg2,_scale)
+# define SAVE_BX
+# define RESTORE_BX
+# define ARG_X 4(%esp)
+#endif
+
+ .text
+ENTRY(__cosf_sse2)
+ /* Input: single precision x on stack at address ARG_X */
+
+#ifdef PIC
+ SAVE_BX
+ LOAD_PIC_REG(bx)
+#endif
+
+ movl ARG_X, %eax /* Bits of x */
+ cvtss2sd ARG_X, %xmm0 /* DP x */
+ andl $0x7fffffff, %eax /* |x| */
+
+ cmpl $0x3f490fdb, %eax /* |x|<Pi/4? */
+ jb L(arg_less_pio4)
+
+ /* Here if |x|>=Pi/4 */
+ movd %eax, %xmm3 /* SP |x| */
+ andpd MO1(DP_ABS_MASK),%xmm0 /* DP |x| */
+ movss MO1(SP_INVPIO4), %xmm2 /* SP 1/(Pi/4) */
+
+ cmpl $0x40e231d6, %eax /* |x|<9*Pi/4? */
+ jae L(large_args)
+
+ /* Here if Pi/4<=|x|<9*Pi/4 */
+ mulss %xmm3, %xmm2 /* SP |x|/(Pi/4) */
+ cvttss2si %xmm2, %eax /* k, number of Pi/4 in x */
+ addl $1, %eax /* k+1 */
+ movl $0x0e, %edx
+ andl %eax, %edx /* j = (k+1)&0x0e */
+ addl $2, %eax /* n */
+ subsd MO2(PIO4J,%edx,8), %xmm0 /* t = |x| - j * Pi/4 */
+
+L(reconstruction):
+ /* Input: %eax=n, %xmm0=t */
+ testl $2, %eax /* n&2 != 0? */
+ jz L(sin_poly)
+
+/*L(cos_poly):*/
+ /* Here if cos(x) calculated using cos(t) polynomial for |t|<Pi/4:
+ * y = t*t; z = y*y;
+ * s = sign(x) * (-1.0)^((n>>2)&1)
+ * result = s * (1.0+t^2*(C0+t^2*(C1+t^2*(C2+t^2*(C3+t^2*C4)))))
+ */
+ shrl $2, %eax /* n>>2 */
+ mulsd %xmm0, %xmm0 /* y=t^2 */
+ andl $1, %eax /* (n>>2)&1 */
+ movaps %xmm0, %xmm1 /* y */
+ mulsd %xmm0, %xmm0 /* z=t^4 */
+
+ movsd MO1(DP_C4), %xmm4 /* C4 */
+ mulsd %xmm0, %xmm4 /* z*C4 */
+ movsd MO1(DP_C3), %xmm3 /* C3 */
+ mulsd %xmm0, %xmm3 /* z*C3 */
+ addsd MO1(DP_C2), %xmm4 /* C2+z*C4 */
+ mulsd %xmm0, %xmm4 /* z*(C2+z*C4) */
+ lea -8(%esp), %esp /* Borrow 4 bytes of stack frame */
+ addsd MO1(DP_C1), %xmm3 /* C1+z*C3 */
+ mulsd %xmm0, %xmm3 /* z*(C1+z*C3) */
+ addsd MO1(DP_C0), %xmm4 /* C0+z*(C2+z*C4) */
+ mulsd %xmm1, %xmm4 /* y*(C0+z*(C2+z*C4)) */
+
+ addsd %xmm4, %xmm3 /* y*(C0+y*(C1+y*(C2+y*(C3+y*C4)))) */
+ /* 1.0+y*(C0+y*(C1+y*(C2+y*(C3+y*C4)))) */
+ addsd MO1(DP_ONES), %xmm3
+
+ mulsd MO2(DP_ONES,%eax,8), %xmm3 /* DP result */
+ movsd %xmm3, 0(%esp) /* Move result from sse... */
+ fldl 0(%esp) /* ...to FPU. */
+ /* Return back 4 bytes of stack frame */
+ lea 8(%esp), %esp
+ RESTORE_BX
+ ret
+
+ .p2align 4
+L(sin_poly):
+ /* Here if cos(x) calculated using sin(t) polynomial for |t|<Pi/4:
+ * y = t*t; z = y*y;
+ * s = sign(x) * (-1.0)^((n>>2)&1)
+ * result = s * t * (1.0+t^2*(S0+t^2*(S1+t^2*(S2+t^2*(S3+t^2*S4)))))
+ */
+
+ movaps %xmm0, %xmm4 /* t */
+ shrl $2, %eax /* n>>2 */
+ mulsd %xmm0, %xmm0 /* y=t^2 */
+ andl $1, %eax /* (n>>2)&1 */
+ movaps %xmm0, %xmm1 /* y */
+ mulsd %xmm0, %xmm0 /* z=t^4 */
+
+ movsd MO1(DP_S4), %xmm2 /* S4 */
+ mulsd %xmm0, %xmm2 /* z*S4 */
+ movsd MO1(DP_S3), %xmm3 /* S3 */
+ mulsd %xmm0, %xmm3 /* z*S3 */
+ lea -8(%esp), %esp /* Borrow 4 bytes of stack frame */
+ addsd MO1(DP_S2), %xmm2 /* S2+z*S4 */
+ mulsd %xmm0, %xmm2 /* z*(S2+z*S4) */
+ addsd MO1(DP_S1), %xmm3 /* S1+z*S3 */
+ mulsd %xmm0, %xmm3 /* z*(S1+z*S3) */
+ addsd MO1(DP_S0), %xmm2 /* S0+z*(S2+z*S4) */
+ mulsd %xmm1, %xmm2 /* y*(S0+z*(S2+z*S4)) */
+ /* t*s, where s = sign(x) * (-1.0)^((n>>2)&1) */
+ mulsd MO2(DP_ONES,%eax,8), %xmm4
+ addsd %xmm2, %xmm3 /* y*(S0+y*(S1+y*(S2+y*(S3+y*S4)))) */
+ /* t*s*y*(S0+y*(S1+y*(S2+y*(S3+y*S4)))) */
+ mulsd %xmm4, %xmm3
+ /* t*s*(1.0+y*(S0+y*(S1+y*(S2+y*(S3+y*S4)))) */
+ addsd %xmm4, %xmm3
+ movsd %xmm3, 0(%esp) /* Move result from sse... */
+ fldl 0(%esp) /* ...to FPU. */
+ /* Return back 4 bytes of stack frame */
+ lea 8(%esp), %esp
+ RESTORE_BX
+ ret
+
+
+ .p2align 4
+L(large_args):
+ /* Here if |x|>=9*Pi/4 */
+ cmpl $0x7f800000, %eax /* x is Inf or NaN? */
+ jae L(arg_inf_or_nan)
+
+ /* Here if finite |x|>=9*Pi/4 */
+ cmpl $0x4b000000, %eax /* |x|<2^23? */
+ jae L(very_large_args)
+
+ /* Here if 9*Pi/4<=|x|<2^23 */
+ movsd MO1(DP_INVPIO4), %xmm1 /* 1/(Pi/4) */
+ mulsd %xmm0, %xmm1 /* |x|/(Pi/4) */
+ cvttsd2si %xmm1, %eax /* k=trunc(|x|/(Pi/4)) */
+ addl $1, %eax /* k+1 */
+ movl %eax, %edx
+ andl $0xfffffffe, %edx /* j=(k+1)&0xfffffffe */
+ cvtsi2sdl %edx, %xmm4 /* DP j */
+ movsd MO1(DP_PIO4HI), %xmm2 /* -PIO4HI = high part of -Pi/4 */
+ mulsd %xmm4, %xmm2 /* -j*PIO4HI */
+ movsd MO1(DP_PIO4LO), %xmm3 /* -PIO4LO = low part of -Pi/4 */
+ addsd %xmm2, %xmm0 /* |x| - j*PIO4HI */
+ addl $2, %eax /* n */
+ mulsd %xmm3, %xmm4 /* j*PIO4LO */
+ addsd %xmm4, %xmm0 /* t = |x| - j*PIO4HI - j*PIO4LO */
+ jmp L(reconstruction)
+
+ .p2align 4
+L(very_large_args):
+ /* Here if finite |x|>=2^23 */
+
+ /* bitpos = (ix>>23) - BIAS_32 + 59; */
+ shrl $23, %eax /* eb = biased exponent of x */
+ /* bitpos = eb - 0x7f + 59, where 0x7f is exponent bias */
+ subl $68, %eax
+ movl $28, %ecx /* %cl=28 */
+ movl %eax, %edx /* bitpos copy */
+
+ /* j = bitpos/28; */
+ div %cl /* j in register %al=%ax/%cl */
+ movapd %xmm0, %xmm3 /* |x| */
+ /* clear unneeded remainder from %ah */
+ andl $0xff, %eax
+
+ imull $28, %eax, %ecx /* j*28 */
+ movsd MO1(DP_HI_MASK), %xmm4 /* DP_HI_MASK */
+ movapd %xmm0, %xmm5 /* |x| */
+ mulsd -2*8+MO2(_FPI,%eax,8), %xmm3 /* tmp3 = FPI[j-2]*|x| */
+ movapd %xmm0, %xmm1 /* |x| */
+ mulsd -1*8+MO2(_FPI,%eax,8), %xmm5 /* tmp2 = FPI[j-1]*|x| */
+ mulsd 0*8+MO2(_FPI,%eax,8), %xmm0 /* tmp0 = FPI[j]*|x| */
+ addl $19, %ecx /* j*28+19 */
+ mulsd 1*8+MO2(_FPI,%eax,8), %xmm1 /* tmp1 = FPI[j+1]*|x| */
+ cmpl %ecx, %edx /* bitpos>=j*28+19? */
+ jl L(very_large_skip1)
+
+ /* Here if bitpos>=j*28+19 */
+ andpd %xmm3, %xmm4 /* HI(tmp3) */
+ subsd %xmm4, %xmm3 /* tmp3 = tmp3 - HI(tmp3) */
+L(very_large_skip1):
+
+ movsd MO1(DP_2POW52), %xmm6
+ movapd %xmm5, %xmm2 /* tmp2 copy */
+ addsd %xmm3, %xmm5 /* tmp5 = tmp3 + tmp2 */
+ movl $1, %edx
+ addsd %xmm5, %xmm6 /* tmp6 = tmp5 + 2^52 */
+ movsd 8+MO1(DP_2POW52), %xmm4
+ movd %xmm6, %eax /* k = I64_LO(tmp6); */
+ addsd %xmm6, %xmm4 /* tmp4 = tmp6 - 2^52 */
+ comisd %xmm5, %xmm4 /* tmp4 > tmp5? */
+ jbe L(very_large_skip2)
+
+ /* Here if tmp4 > tmp5 */
+ subl $1, %eax /* k-- */
+ addsd 8+MO1(DP_ONES), %xmm4 /* tmp4 -= 1.0 */
+L(very_large_skip2):
+
+ andl %eax, %edx /* k&1 */
+ subsd %xmm4, %xmm3 /* tmp3 -= tmp4 */
+ addsd MO2(DP_ZERONE,%edx,8), %xmm3 /* t = DP_ZERONE[k&1] + tmp3 */
+ addsd %xmm2, %xmm3 /* t += tmp2 */
+ addsd %xmm3, %xmm0 /* t += tmp0 */
+ addl $3, %eax /* n=k+3 */
+ addsd %xmm1, %xmm0 /* t += tmp1 */
+ mulsd MO1(DP_PIO4), %xmm0 /* t *= PI04 */
+
+ jmp L(reconstruction) /* end of very_large_args peth */
+
+
+ .p2align 4
+L(arg_less_pio4):
+ /* Here if |x|<Pi/4 */
+ cmpl $0x3d000000, %eax /* |x|<2^-5? */
+ jl L(arg_less_2pn5)
+
+ /* Here if 2^-5<=|x|<Pi/4 */
+ mulsd %xmm0, %xmm0 /* y=x^2 */
+ movaps %xmm0, %xmm1 /* y */
+ mulsd %xmm0, %xmm0 /* z=x^4 */
+ movsd MO1(DP_C4), %xmm3 /* C4 */
+ mulsd %xmm0, %xmm3 /* z*C4 */
+ movsd MO1(DP_C3), %xmm5 /* C3 */
+ mulsd %xmm0, %xmm5 /* z*C3 */
+ addsd MO1(DP_C2), %xmm3 /* C2+z*C4 */
+ mulsd %xmm0, %xmm3 /* z*(C2+z*C4) */
+ addsd MO1(DP_C1), %xmm5 /* C1+z*C3 */
+ mulsd %xmm0, %xmm5 /* z*(C1+z*C3) */
+ addsd MO1(DP_C0), %xmm3 /* C0+z*(C2+z*C4) */
+ mulsd %xmm1, %xmm3 /* y*(C0+z*(C2+z*C4)) */
+ addsd %xmm5, %xmm3 /* y*(C0+y*(C1+y*(C2+y*(C3+y*C4)))) */
+ /* 1.0 + y*(C0+y*(C1+y*(C2+y*(C3+y*C4)))) */
+ addsd MO1(DP_ONES), %xmm3
+ cvtsd2ss %xmm3, %xmm3 /* SP result */
+
+L(epilogue):
+ lea -4(%esp), %esp /* Borrow 4 bytes of stack frame */
+ movss %xmm3, 0(%esp) /* Move result from sse... */
+ flds 0(%esp) /* ...to FPU. */
+ /* Return back 4 bytes of stack frame */
+ lea 4(%esp), %esp
+ RESTORE_BX
+ ret
+
+ .p2align 4
+L(arg_less_2pn5):
+ /* Here if |x|<2^-5 */
+ cmpl $0x32000000, %eax /* |x|<2^-27? */
+ jl L(arg_less_2pn27)
+
+ /* Here if 2^-27<=|x|<2^-5 */
+ mulsd %xmm0, %xmm0 /* DP x^2 */
+ movsd MO1(DP_COS2_1), %xmm3 /* DP DP_COS2_1 */
+ mulsd %xmm0, %xmm3 /* DP x^2*DP_COS2_1 */
+ addsd MO1(DP_COS2_0), %xmm3 /* DP DP_COS2_0+x^2*DP_COS2_1 */
+ mulsd %xmm0, %xmm3 /* DP x^2*DP_COS2_0+x^4*DP_COS2_1 */
+ /* DP 1.0+x^2*DP_COS2_0+x^4*DP_COS2_1 */
+ addsd MO1(DP_ONES), %xmm3
+ cvtsd2ss %xmm3, %xmm3 /* SP result */
+ jmp L(epilogue)
+
+ .p2align 4
+L(arg_less_2pn27):
+ /* Here if |x|<2^-27 */
+ movss ARG_X, %xmm0 /* x */
+ andps MO1(SP_ABS_MASK),%xmm0 /* |x| */
+ movss MO1(SP_ONE), %xmm3 /* 1.0 */
+ subss %xmm0, %xmm3 /* result is 1.0-|x| */
+ jmp L(epilogue)
+
+ .p2align 4
+L(arg_inf_or_nan):
+ /* Here if |x| is Inf or NAN */
+ jne L(skip_errno_setting) /* in case of x is NaN */
+
+ /* Here if x is Inf. Set errno to EDOM. */
+ call JUMPTARGET(__errno_location)
+ movl $EDOM, (%eax)
+
+ .p2align 4
+L(skip_errno_setting):
+ /* Here if |x| is Inf or NAN. Continued. */
+ movss ARG_X, %xmm3 /* load x */
+ subss %xmm3, %xmm3 /* Result is NaN */
+ jmp L(epilogue)
+END(__cosf_sse2)
+
+
+ .section .rodata, "a"
+ .p2align 3
+L(PIO4J): /* Table of j*Pi/4, for j=0,1,..,10 */
+ .long 0x00000000,0x00000000
+ .long 0x54442d18,0x3fe921fb
+ .long 0x54442d18,0x3ff921fb
+ .long 0x7f3321d2,0x4002d97c
+ .long 0x54442d18,0x400921fb
+ .long 0x2955385e,0x400f6a7a
+ .long 0x7f3321d2,0x4012d97c
+ .long 0xe9bba775,0x4015fdbb
+ .long 0x54442d18,0x401921fb
+ .long 0xbeccb2bb,0x401c463a
+ .long 0x2955385e,0x401f6a7a
+ .type L(PIO4J), @object
+ ASM_SIZE_DIRECTIVE(L(PIO4J))
+
+ .p2align 3
+L(_FPI): /* 4/Pi broken into sum of positive DP values */
+ .long 0x00000000,0x00000000
+ .long 0x6c000000,0x3ff45f30
+ .long 0x2a000000,0x3e3c9c88
+ .long 0xa8000000,0x3c54fe13
+ .long 0xd0000000,0x3aaf47d4
+ .long 0x6c000000,0x38fbb81b
+ .long 0xe0000000,0x3714acc9
+ .long 0x7c000000,0x3560e410
+ .long 0x56000000,0x33bca2c7
+ .long 0xac000000,0x31fbd778
+ .long 0xe0000000,0x300b7246
+ .long 0xe8000000,0x2e5d2126
+ .long 0x48000000,0x2c970032
+ .long 0xe8000000,0x2ad77504
+ .long 0xe0000000,0x290921cf
+ .long 0xb0000000,0x274deb1c
+ .long 0xe0000000,0x25829a73
+ .long 0xbe000000,0x23fd1046
+ .long 0x10000000,0x2224baed
+ .long 0x8e000000,0x20709d33
+ .long 0x80000000,0x1e535a2f
+ .long 0x64000000,0x1cef904e
+ .long 0x30000000,0x1b0d6398
+ .long 0x24000000,0x1964ce7d
+ .long 0x16000000,0x17b908bf
+ .type L(_FPI), @object
+ ASM_SIZE_DIRECTIVE(L(_FPI))
+
+/* Coefficients of polynomial
+ for cos(x)~=1.0+x^2*DP_COS2_0+x^4*DP_COS2_1, |x|<2^-5. */
+ .p2align 3
+L(DP_COS2_0):
+ .long 0xff5cc6fd,0xbfdfffff
+ .type L(DP_COS2_0), @object
+ ASM_SIZE_DIRECTIVE(L(DP_COS2_0))
+
+ .p2align 3
+L(DP_COS2_1):
+ .long 0xb178dac5,0x3fa55514
+ .type L(DP_COS2_1), @object
+ ASM_SIZE_DIRECTIVE(L(DP_COS2_1))
+
+ .p2align 3
+L(DP_ZERONE):
+ .long 0x00000000,0x00000000 /* 0.0 */
+ .long 0x00000000,0xbff00000 /* 1.0 */
+ .type L(DP_ZERONE),@object
+ ASM_SIZE_DIRECTIVE(L(DP_ZERONE))
+
+ .p2align 3
+L(DP_ONES):
+ .long 0x00000000,0x3ff00000 /* +1.0 */
+ .long 0x00000000,0xbff00000 /* -1.0 */
+ .type L(DP_ONES), @object
+ ASM_SIZE_DIRECTIVE(L(DP_ONES))
+
+/* Coefficients of polynomial
+ for sin(t)~=t+t^3*(S0+t^2*(S1+t^2*(S2+t^2*(S3+t^2*S4)))), |t|<Pi/4. */
+ .p2align 3
+L(DP_S3):
+ .long 0x64e6b5b4,0x3ec71d72
+ .type L(DP_S3), @object
+ ASM_SIZE_DIRECTIVE(L(DP_S3))
+
+ .p2align 3
+L(DP_S1):
+ .long 0x10c2688b,0x3f811111
+ .type L(DP_S1), @object
+ ASM_SIZE_DIRECTIVE(L(DP_S1))
+
+ .p2align 3
+L(DP_S4):
+ .long 0x1674b58a,0xbe5a947e
+ .type L(DP_S4), @object
+ ASM_SIZE_DIRECTIVE(L(DP_S4))
+
+ .p2align 3
+L(DP_S2):
+ .long 0x8b4bd1f9,0xbf2a019f
+ .type L(DP_S2), @object
+ ASM_SIZE_DIRECTIVE(L(DP_S2))
+
+ .p2align 3
+L(DP_S0):
+ .long 0x55551cd9,0xbfc55555
+ .type L(DP_S0), @object
+ ASM_SIZE_DIRECTIVE(L(DP_S0))
+
+/* Coefficients of polynomial
+ for cos(t)~=1.0+t^2*(C0+t^2*(C1+t^2*(C2+t^2*(C3+t^2*C4)))), |t|<Pi/4. */
+ .p2align 3
+L(DP_C3):
+ .long 0x9ac43cc0,0x3efa00eb
+ .type L(DP_C3), @object
+ ASM_SIZE_DIRECTIVE(L(DP_C3))
+
+ .p2align 3
+L(DP_C1):
+ .long 0x545c50c7,0x3fa55555
+ .type L(DP_C1), @object
+ ASM_SIZE_DIRECTIVE(L(DP_C1))
+
+ .p2align 3
+L(DP_C4):
+ .long 0xdd8844d7,0xbe923c97
+ .type L(DP_C4), @object
+ ASM_SIZE_DIRECTIVE(L(DP_C4))
+
+ .p2align 3
+L(DP_C2):
+ .long 0x348b6874,0xbf56c16b
+ .type L(DP_C2), @object
+ ASM_SIZE_DIRECTIVE(L(DP_C2))
+
+ .p2align 3
+L(DP_C0):
+ .long 0xfffe98ae,0xbfdfffff
+ .type L(DP_C0), @object
+ ASM_SIZE_DIRECTIVE(L(DP_C0))
+
+ .p2align 3
+L(DP_PIO4):
+ .long 0x54442d18,0x3fe921fb /* Pi/4 */
+ .type L(DP_PIO4), @object
+ ASM_SIZE_DIRECTIVE(L(DP_PIO4))
+
+ .p2align 3
+L(DP_2POW52):
+ .long 0x00000000,0x43300000 /* +2^52 */
+ .long 0x00000000,0xc3300000 /* -2^52 */
+ .type L(DP_2POW52), @object
+ ASM_SIZE_DIRECTIVE(L(DP_2POW52))
+
+ .p2align 3
+L(DP_INVPIO4):
+ .long 0x6dc9c883,0x3ff45f30 /* 4/Pi */
+ .type L(DP_INVPIO4), @object
+ ASM_SIZE_DIRECTIVE(L(DP_INVPIO4))
+
+ .p2align 3
+L(DP_PIO4HI):
+ .long 0x54000000,0xbfe921fb /* High part of Pi/4 */
+ .type L(DP_PIO4HI), @object
+ ASM_SIZE_DIRECTIVE(L(DP_PIO4HI))
+
+ .p2align 3
+L(DP_PIO4LO):
+ .long 0x11A62633,0xbe010b46 /* Low part of Pi/4 */
+ .type L(DP_PIO4LO), @object
+ ASM_SIZE_DIRECTIVE(L(DP_PIO4LO))
+
+ .p2align 2
+L(SP_INVPIO4):
+ .long 0x3fa2f983 /* 4/Pi */
+ .type L(SP_INVPIO4), @object
+ ASM_SIZE_DIRECTIVE(L(SP_INVPIO4))
+
+ .p2align 4
+L(DP_ABS_MASK): /* Mask for getting DP absolute value */
+ .long 0xffffffff,0x7fffffff
+ .long 0xffffffff,0x7fffffff
+ .type L(DP_ABS_MASK), @object
+ ASM_SIZE_DIRECTIVE(L(DP_ABS_MASK))
+
+ .p2align 3
+L(DP_HI_MASK): /* Mask for getting high 21 bits of DP value */
+ .long 0x00000000,0xffffffff
+ .type L(DP_ABS_MASK), @object
+ ASM_SIZE_DIRECTIVE(L(DP_ABS_MASK))
+
+ .p2align 4
+L(SP_ABS_MASK): /* Mask for getting SP absolute value */
+ .long 0x7fffffff,0x7fffffff
+ .long 0x7fffffff,0x7fffffff
+ .type L(SP_ABS_MASK), @object
+ ASM_SIZE_DIRECTIVE(L(SP_ABS_MASK))
+
+ .p2align 2
+L(SP_ONE):
+ .long 0x3f800000 /* 1.0 */
+ .type L(SP_ONE), @object
+ ASM_SIZE_DIRECTIVE(L(SP_ONE))
+
+weak_alias (__cosf, cosf)
diff --git a/sysdeps/i386/i686/fpu/multiarch/s_cosf.c b/sysdeps/i386/i686/fpu/multiarch/s_cosf.c
new file mode 100644
index 0000000..f07c3e5
--- /dev/null
+++ b/sysdeps/i386/i686/fpu/multiarch/s_cosf.c
@@ -0,0 +1,29 @@
+/* Multiple versions of cosf
+ Copyright (C) 2012 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <init-arch.h>
+
+extern float __cosf_sse2 (float);
+extern float __cosf_ia32 (float);
+float __cosf (float);
+
+libm_ifunc (__cosf, HAS_SSE2 ? __cosf_sse2 : __cosf_ia32);
+weak_alias (__cosf, cosf);
+
+#define COSF __cosf_ia32
+#include <sysdeps/ieee754/flt-32/s_cosf.c>
diff --git a/sysdeps/i386/i686/fpu/multiarch/s_sinf-sse2.S b/sysdeps/i386/i686/fpu/multiarch/s_sinf-sse2.S
new file mode 100644
index 0000000..cda1750
--- /dev/null
+++ b/sysdeps/i386/i686/fpu/multiarch/s_sinf-sse2.S
@@ -0,0 +1,575 @@
+/* Optimized with sse2 version of sinf
+ Copyright (C) 2012 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sysdep.h>
+#define __need_Emath
+#include <bits/errno.h>
+
+/* Short algorithm description:
+ *
+ * 1) if |x| == 0: return x.
+ * 2) if |x| < 2^-27: return x-x*DP_SMALL, raise underflow only when needed.
+ * 3) if |x| < 2^-5 : return x+x^3*DP_SIN2_0+x^5*DP_SIN2_1.
+ * 4) if |x| < Pi/4: return x+x^3*(S0+x^2*(S1+x^2*(S2+x^2*(S3+x^2*S4)))).
+ * 5) if |x| < 9*Pi/4:
+ * 5.1) Range reduction: k=trunc(|x|/(Pi/4)), j=(k+1)&0x0e, n=k+1,
+ * t=|x|-j*Pi/4.
+ * 5.2) Reconstruction:
+ * s = sign(x) * (-1.0)^((n>>2)&1)
+ * if(n&2 != 0) {
+ * using cos(t) polynomial for |t|<Pi/4, result is
+ * s * (1.0+t^2*(C0+t^2*(C1+t^2*(C2+t^2*(C3+t^2*C4))))).
+ * } else {
+ * using sin(t) polynomial for |t|<Pi/4, result is
+ * s * t * (1.0+t^2*(S0+t^2*(S1+t^2*(S2+t^2*(S3+t^2*S4))))).
+ * }
+ * 6) if |x| < 2^23, large args:
+ * 6.1) Range reduction: k=trunc(|x|/(Pi/4)), j=(k+1)&0xfffffffe, n=k+1,
+ * t=|x|-j*Pi/4.
+ * 6.2) Reconstruction same as (5.2).
+ * 7) if |x| >= 2^23, very large args:
+ * 7.1) Range reduction: k=trunc(|x|/(Pi/4)), j=(k+1)&0xfffffffe, n=k+1,
+ * t=|x|-j*Pi/4.
+ * 7.2) Reconstruction same as (5.2).
+ * 8) if x is Inf, return x-x, and set errno=EDOM.
+ * 9) if x is NaN, return x-x.
+ *
+ * Special cases:
+ * sin(+-0)==+-0 not raising inexact/underflow,
+ * sin(subnormal) raises inexact/underflow
+ * sin(min_normalized) raises inexact/underflow
+ * sin(normalized) raises inexact
+ * sin(Inf) = NaN, raises invalid, sets errno to EDOM
+ * sin(NaN) = NaN
+ */
+
+#ifdef PIC
+# define MO1(symbol) L(symbol)##@GOTOFF(%ebx)
+# define MO2(symbol,reg2,_scale) L(symbol)##@GOTOFF(%ebx,reg2,_scale)
+# define SAVE_BX pushl %ebx
+# define RESTORE_BX popl %ebx
+# define ARG_X 8(%esp)
+#else
+# define MO1(symbol) L(symbol)
+# define MO2(symbol,reg2,_scale) L(symbol)(,reg2,_scale)
+# define SAVE_BX
+# define RESTORE_BX
+# define ARG_X 4(%esp)
+#endif
+
+ .text
+ENTRY(__sinf_sse2)
+ /* Input: single precision x on stack at address ARG_X */
+
+#ifdef PIC
+ SAVE_BX
+ LOAD_PIC_REG(bx)
+#endif
+
+ movl ARG_X, %eax /* Bits of x */
+ cvtss2sd ARG_X, %xmm0 /* DP x */
+ andl $0x7fffffff, %eax /* |x| */
+
+ cmpl $0x3f490fdb, %eax /* |x|<Pi/4? */
+ jb L(arg_less_pio4)
+
+ /* Here if |x|>=Pi/4 */
+ movd %eax, %xmm3 /* SP |x| */
+ andpd MO1(DP_ABS_MASK),%xmm0 /* DP |x| */
+ movss MO1(SP_INVPIO4), %xmm2 /* SP 1/(Pi/4) */
+
+ cmpl $0x40e231d6, %eax /* |x|<9*Pi/4? */
+ jae L(large_args)
+
+ /* Here if Pi/4<=|x|<9*Pi/4 */
+ mulss %xmm3, %xmm2 /* SP |x|/(Pi/4) */
+ movl ARG_X, %ecx /* Load x */
+ cvttss2si %xmm2, %eax /* k, number of Pi/4 in x */
+ shrl $31, %ecx /* sign of x */
+ addl $1, %eax /* k+1 */
+ movl $0x0e, %edx
+ andl %eax, %edx /* j = (k+1)&0x0e */
+ subsd MO2(PIO4J,%edx,8), %xmm0 /* t = |x| - j * Pi/4 */
+
+L(reconstruction):
+ /* Input: %eax=n, %xmm0=t, %ecx=sign(x) */
+ testl $2, %eax /* n&2 != 0? */
+ jz L(sin_poly)
+
+/*L(cos_poly):*/
+ /* Here if sin(x) calculated using cos(t) polynomial for |t|<Pi/4:
+ * y = t*t; z = y*y;
+ * s = sign(x) * (-1.0)^((n>>2)&1)
+ * result = s * (1.0+t^2*(C0+t^2*(C1+t^2*(C2+t^2*(C3+t^2*C4)))))
+ */
+ shrl $2, %eax /* n>>2 */
+ mulsd %xmm0, %xmm0 /* y=t^2 */
+ andl $1, %eax /* (n>>2)&1 */
+ movaps %xmm0, %xmm1 /* y */
+ mulsd %xmm0, %xmm0 /* z=t^4 */
+
+ movsd MO1(DP_C4), %xmm4 /* C4 */
+ mulsd %xmm0, %xmm4 /* z*C4 */
+ xorl %eax, %ecx /* (-1.0)^((n>>2)&1) XOR sign(x) */
+ movsd MO1(DP_C3), %xmm3 /* C3 */
+ mulsd %xmm0, %xmm3 /* z*C3 */
+ addsd MO1(DP_C2), %xmm4 /* C2+z*C4 */
+ mulsd %xmm0, %xmm4 /* z*(C2+z*C4) */
+ lea -8(%esp), %esp /* Borrow 4 bytes of stack frame */
+ addsd MO1(DP_C1), %xmm3 /* C1+z*C3 */
+ mulsd %xmm0, %xmm3 /* z*(C1+z*C3) */
+ addsd MO1(DP_C0), %xmm4 /* C0+z*(C2+z*C4) */
+ mulsd %xmm1, %xmm4 /* y*(C0+z*(C2+z*C4)) */
+
+ addsd %xmm4, %xmm3 /* y*(C0+y*(C1+y*(C2+y*(C3+y*C4)))) */
+ /* 1.0+y*(C0+y*(C1+y*(C2+y*(C3+y*C4)))) */
+ addsd MO1(DP_ONES), %xmm3
+
+ mulsd MO2(DP_ONES,%ecx,8), %xmm3 /* DP result */
+ movsd %xmm3, 0(%esp) /* Move result from sse... */
+ fldl 0(%esp) /* ...to FPU. */
+ /* Return back 4 bytes of stack frame */
+ lea 8(%esp), %esp
+ RESTORE_BX
+ ret
+
+ .p2align 4
+L(sin_poly):
+ /* Here if sin(x) calculated using sin(t) polynomial for |t|<Pi/4:
+ * y = t*t; z = y*y;
+ * s = sign(x) * (-1.0)^((n>>2)&1)
+ * result = s * t * (1.0+t^2*(S0+t^2*(S1+t^2*(S2+t^2*(S3+t^2*S4)))))
+ */
+
+ movaps %xmm0, %xmm4 /* t */
+ shrl $2, %eax /* n>>2 */
+ mulsd %xmm0, %xmm0 /* y=t^2 */
+ andl $1, %eax /* (n>>2)&1 */
+ movaps %xmm0, %xmm1 /* y */
+ xorl %eax, %ecx /* (-1.0)^((n>>2)&1) XOR sign(x) */
+ mulsd %xmm0, %xmm0 /* z=t^4 */
+
+ movsd MO1(DP_S4), %xmm2 /* S4 */
+ mulsd %xmm0, %xmm2 /* z*S4 */
+ movsd MO1(DP_S3), %xmm3 /* S3 */
+ mulsd %xmm0, %xmm3 /* z*S3 */
+ lea -8(%esp), %esp /* Borrow 4 bytes of stack frame */
+ addsd MO1(DP_S2), %xmm2 /* S2+z*S4 */
+ mulsd %xmm0, %xmm2 /* z*(S2+z*S4) */
+ addsd MO1(DP_S1), %xmm3 /* S1+z*S3 */
+ mulsd %xmm0, %xmm3 /* z*(S1+z*S3) */
+ addsd MO1(DP_S0), %xmm2 /* S0+z*(S2+z*S4) */
+ mulsd %xmm1, %xmm2 /* y*(S0+z*(S2+z*S4)) */
+ /* t*s, where s = sign(x) * (-1.0)^((n>>2)&1) */
+ mulsd MO2(DP_ONES,%ecx,8), %xmm4
+ addsd %xmm2, %xmm3 /* y*(S0+y*(S1+y*(S2+y*(S3+y*S4)))) */
+ /* t*s*y*(S0+y*(S1+y*(S2+y*(S3+y*S4)))) */
+ mulsd %xmm4, %xmm3
+ /* t*s*(1.0+y*(S0+y*(S1+y*(S2+y*(S3+y*S4)))) */
+ addsd %xmm4, %xmm3
+ movsd %xmm3, 0(%esp) /* Move result from sse... */
+ fldl 0(%esp) /* ...to FPU. */
+ /* Return back 4 bytes of stack frame */
+ lea 8(%esp), %esp
+ RESTORE_BX
+ ret
+
+
+ .p2align 4
+L(large_args):
+ /* Here if |x|>=9*Pi/4 */
+ cmpl $0x7f800000, %eax /* x is Inf or NaN? */
+ jae L(arg_inf_or_nan)
+
+ /* Here if finite |x|>=9*Pi/4 */
+ cmpl $0x4b000000, %eax /* |x|<2^23? */
+ jae L(very_large_args)
+
+ /* Here if 9*Pi/4<=|x|<2^23 */
+ movsd MO1(DP_INVPIO4), %xmm1 /* 1/(Pi/4) */
+ mulsd %xmm0, %xmm1 /* |x|/(Pi/4) */
+ cvttsd2si %xmm1, %eax /* k=trunc(|x|/(Pi/4)) */
+ addl $1, %eax /* k+1 */
+ movl %eax, %edx
+ andl $0xfffffffe, %edx /* j=(k+1)&0xfffffffe */
+ cvtsi2sdl %edx, %xmm4 /* DP j */
+ movl ARG_X, %ecx /* Load x */
+ movsd MO1(DP_PIO4HI), %xmm2 /* -PIO4HI = high part of -Pi/4 */
+ shrl $31, %ecx /* sign bit of x */
+ mulsd %xmm4, %xmm2 /* -j*PIO4HI */
+ movsd MO1(DP_PIO4LO), %xmm3 /* -PIO4LO = low part of -Pi/4 */
+ addsd %xmm2, %xmm0 /* |x| - j*PIO4HI */
+ mulsd %xmm3, %xmm4 /* j*PIO4LO */
+ addsd %xmm4, %xmm0 /* t = |x| - j*PIO4HI - j*PIO4LO */
+ jmp L(reconstruction)
+
+ .p2align 4
+L(very_large_args):
+ /* Here if finite |x|>=2^23 */
+
+ /* bitpos = (ix>>23) - BIAS_32 + 59; */
+ shrl $23, %eax /* eb = biased exponent of x */
+ /* bitpos = eb - 0x7f + 59, where 0x7f is exponent bias */
+ subl $68, %eax
+ movl $28, %ecx /* %cl=28 */
+ movl %eax, %edx /* bitpos copy */
+
+ /* j = bitpos/28; */
+ div %cl /* j in register %al=%ax/%cl */
+ movapd %xmm0, %xmm3 /* |x| */
+ /* clear unneeded remainder from %ah */
+ andl $0xff, %eax
+
+ imull $28, %eax, %ecx /* j*28 */
+ movsd MO1(DP_HI_MASK), %xmm4 /* DP_HI_MASK */
+ movapd %xmm0, %xmm5 /* |x| */
+ mulsd -2*8+MO2(_FPI,%eax,8), %xmm3 /* tmp3 = FPI[j-2]*|x| */
+ movapd %xmm0, %xmm1 /* |x| */
+ mulsd -1*8+MO2(_FPI,%eax,8), %xmm5 /* tmp2 = FPI[j-1]*|x| */
+ mulsd 0*8+MO2(_FPI,%eax,8), %xmm0 /* tmp0 = FPI[j]*|x| */
+ addl $19, %ecx /* j*28+19 */
+ mulsd 1*8+MO2(_FPI,%eax,8), %xmm1 /* tmp1 = FPI[j+1]*|x| */
+ cmpl %ecx, %edx /* bitpos>=j*28+19? */
+ jl L(very_large_skip1)
+
+ /* Here if bitpos>=j*28+19 */
+ andpd %xmm3, %xmm4 /* HI(tmp3) */
+ subsd %xmm4, %xmm3 /* tmp3 = tmp3 - HI(tmp3) */
+L(very_large_skip1):
+
+ movsd MO1(DP_2POW52), %xmm6
+ movapd %xmm5, %xmm2 /* tmp2 copy */
+ addsd %xmm3, %xmm5 /* tmp5 = tmp3 + tmp2 */
+ movl $1, %edx
+ addsd %xmm5, %xmm6 /* tmp6 = tmp5 + 2^52 */
+ movsd 8+MO1(DP_2POW52), %xmm4
+ movd %xmm6, %eax /* k = I64_LO(tmp6); */
+ addsd %xmm6, %xmm4 /* tmp4 = tmp6 - 2^52 */
+ movl ARG_X, %ecx /* Load x */
+ comisd %xmm5, %xmm4 /* tmp4 > tmp5? */
+ jbe L(very_large_skip2)
+
+ /* Here if tmp4 > tmp5 */
+ subl $1, %eax /* k-- */
+ addsd 8+MO1(DP_ONES), %xmm4 /* tmp4 -= 1.0 */
+L(very_large_skip2):
+
+ andl %eax, %edx /* k&1 */
+ subsd %xmm4, %xmm3 /* tmp3 -= tmp4 */
+ addsd MO2(DP_ZERONE,%edx,8), %xmm3 /* t = DP_ZERONE[k&1] + tmp3 */
+ addsd %xmm2, %xmm3 /* t += tmp2 */
+ shrl $31, %ecx /* sign of x */
+ addsd %xmm3, %xmm0 /* t += tmp0 */
+ addl $1, %eax /* n=k+1 */
+ addsd %xmm1, %xmm0 /* t += tmp1 */
+ mulsd MO1(DP_PIO4), %xmm0 /* t *= PI04 */
+
+ jmp L(reconstruction) /* end of very_large_args peth */
+
+
+
+
+
+ .p2align 4
+L(arg_less_pio4):
+ /* Here if |x|<Pi/4 */
+ cmpl $0x3d000000, %eax /* |x|<2^-5? */
+ jl L(arg_less_2pn5)
+
+ /* Here if 2^-5<=|x|<Pi/4 */
+ movaps %xmm0, %xmm3 /* x */
+ mulsd %xmm0, %xmm0 /* y=x^2 */
+ movaps %xmm0, %xmm1 /* y */
+ mulsd %xmm0, %xmm0 /* z=x^4 */
+ movsd MO1(DP_S4), %xmm4 /* S4 */
+ mulsd %xmm0, %xmm4 /* z*S4 */
+ movsd MO1(DP_S3), %xmm5 /* S3 */
+ mulsd %xmm0, %xmm5 /* z*S3 */
+ addsd MO1(DP_S2), %xmm4 /* S2+z*S4 */
+ mulsd %xmm0, %xmm4 /* z*(S2+z*S4) */
+ addsd MO1(DP_S1), %xmm5 /* S1+z*S3 */
+ mulsd %xmm0, %xmm5 /* z*(S1+z*S3) */
+ addsd MO1(DP_S0), %xmm4 /* S0+z*(S2+z*S4) */
+ mulsd %xmm1, %xmm4 /* y*(S0+z*(S2+z*S4)) */
+ mulsd %xmm3, %xmm5 /* x*z*(S1+z*S3) */
+ mulsd %xmm3, %xmm4 /* x*y*(S0+z*(S2+z*S4)) */
+ /* x*y*(S0+y*(S1+y*(S2+y*(S3+y*S4)))) */
+ addsd %xmm5, %xmm4
+ /* x + x*y*(S0+y*(S1+y*(S2+y*(S3+y*S4)))) */
+ addsd %xmm4, %xmm3
+ cvtsd2ss %xmm3, %xmm3 /* SP result */
+
+L(epilogue):
+ lea -4(%esp), %esp /* Borrow 4 bytes of stack frame */
+ movss %xmm3, 0(%esp) /* Move result from sse... */
+ flds 0(%esp) /* ...to FPU. */
+ /* Return back 4 bytes of stack frame */
+ lea 4(%esp), %esp
+ RESTORE_BX
+ ret
+
+ .p2align 4
+L(arg_less_2pn5):
+ /* Here if |x|<2^-5 */
+ cmpl $0x32000000, %eax /* |x|<2^-27? */
+ jl L(arg_less_2pn27)
+
+ /* Here if 2^-27<=|x|<2^-5 */
+ movaps %xmm0, %xmm1 /* DP x */
+ mulsd %xmm0, %xmm0 /* DP x^2 */
+ movsd MO1(DP_SIN2_1), %xmm3 /* DP DP_SIN2_1 */
+ mulsd %xmm0, %xmm3 /* DP x^2*DP_SIN2_1 */
+ addsd MO1(DP_SIN2_0), %xmm3 /* DP DP_SIN2_0+x^2*DP_SIN2_1 */
+ mulsd %xmm0, %xmm3 /* DP x^2*DP_SIN2_0+x^4*DP_SIN2_1 */
+ mulsd %xmm1, %xmm3 /* DP x^3*DP_SIN2_0+x^5*DP_SIN2_1 */
+ addsd %xmm1, %xmm3 /* DP x+x^3*DP_SIN2_0+x^5*DP_SIN2_1 */
+ cvtsd2ss %xmm3, %xmm3 /* SP result */
+ jmp L(epilogue)
+
+ .p2align 4
+L(arg_less_2pn27):
+ movss ARG_X, %xmm3 /* SP x */
+ cmpl $0, %eax /* x=0? */
+ je L(epilogue) /* in case x=0 return sin(+-0)==+-0 */
+ /* Here if |x|<2^-27 */
+ /*
+ * Special cases here:
+ * sin(subnormal) raises inexact/underflow
+ * sin(min_normalized) raises inexact/underflow
+ * sin(normalized) raises inexact
+ */
+ movaps %xmm0, %xmm3 /* Copy of DP x */
+ mulsd MO1(DP_SMALL), %xmm0 /* x*DP_SMALL */
+ subsd %xmm0, %xmm3 /* Result is x-x*DP_SMALL */
+ cvtsd2ss %xmm3, %xmm3 /* Result converted to SP */
+ jmp L(epilogue)
+
+ .p2align 4
+L(arg_inf_or_nan):
+ /* Here if |x| is Inf or NAN */
+ jne L(skip_errno_setting) /* in case of x is NaN */
+
+ /* Here if x is Inf. Set errno to EDOM. */
+ call JUMPTARGET(__errno_location)
+ movl $EDOM, (%eax)
+
+ .p2align 4
+L(skip_errno_setting):
+ /* Here if |x| is Inf or NAN. Continued. */
+ movss ARG_X, %xmm3 /* load x */
+ subss %xmm3, %xmm3 /* Result is NaN */
+ jmp L(epilogue)
+END(__sinf_sse2)
+
+
+ .section .rodata, "a"
+ .p2align 3
+L(PIO4J): /* Table of j*Pi/4, for j=0,1,..,10 */
+ .long 0x00000000,0x00000000
+ .long 0x54442d18,0x3fe921fb
+ .long 0x54442d18,0x3ff921fb
+ .long 0x7f3321d2,0x4002d97c
+ .long 0x54442d18,0x400921fb
+ .long 0x2955385e,0x400f6a7a
+ .long 0x7f3321d2,0x4012d97c
+ .long 0xe9bba775,0x4015fdbb
+ .long 0x54442d18,0x401921fb
+ .long 0xbeccb2bb,0x401c463a
+ .long 0x2955385e,0x401f6a7a
+ .type L(PIO4J), @object
+ ASM_SIZE_DIRECTIVE(L(PIO4J))
+
+ .p2align 3
+L(_FPI): /* 4/Pi broken into sum of positive DP values */
+ .long 0x00000000,0x00000000
+ .long 0x6c000000,0x3ff45f30
+ .long 0x2a000000,0x3e3c9c88
+ .long 0xa8000000,0x3c54fe13
+ .long 0xd0000000,0x3aaf47d4
+ .long 0x6c000000,0x38fbb81b
+ .long 0xe0000000,0x3714acc9
+ .long 0x7c000000,0x3560e410
+ .long 0x56000000,0x33bca2c7
+ .long 0xac000000,0x31fbd778
+ .long 0xe0000000,0x300b7246
+ .long 0xe8000000,0x2e5d2126
+ .long 0x48000000,0x2c970032
+ .long 0xe8000000,0x2ad77504
+ .long 0xe0000000,0x290921cf
+ .long 0xb0000000,0x274deb1c
+ .long 0xe0000000,0x25829a73
+ .long 0xbe000000,0x23fd1046
+ .long 0x10000000,0x2224baed
+ .long 0x8e000000,0x20709d33
+ .long 0x80000000,0x1e535a2f
+ .long 0x64000000,0x1cef904e
+ .long 0x30000000,0x1b0d6398
+ .long 0x24000000,0x1964ce7d
+ .long 0x16000000,0x17b908bf
+ .type L(_FPI), @object
+ ASM_SIZE_DIRECTIVE(L(_FPI))
+
+/* Coefficients of polynomial
+ for sin(x)~=x+x^3*DP_SIN2_0+x^5*DP_SIN2_1, |x|<2^-5. */
+ .p2align 3
+L(DP_SIN2_0):
+ .long 0x5543d49d,0xbfc55555
+ .type L(DP_SIN2_0), @object
+ ASM_SIZE_DIRECTIVE(L(DP_SIN2_0))
+
+ .p2align 3
+L(DP_SIN2_1):
+ .long 0x75cec8c5,0x3f8110f4
+ .type L(DP_SIN2_1), @object
+ ASM_SIZE_DIRECTIVE(L(DP_SIN2_1))
+
+ .p2align 3
+L(DP_ZERONE):
+ .long 0x00000000,0x00000000 /* 0.0 */
+ .long 0x00000000,0xbff00000 /* 1.0 */
+ .type L(DP_ZERONE), @object
+ ASM_SIZE_DIRECTIVE(L(DP_ZERONE))
+
+ .p2align 3
+L(DP_ONES):
+ .long 0x00000000,0x3ff00000 /* +1.0 */
+ .long 0x00000000,0xbff00000 /* -1.0 */
+ .type L(DP_ONES), @object
+ ASM_SIZE_DIRECTIVE(L(DP_ONES))
+
+/* Coefficients of polynomial
+ for sin(t)~=t+t^3*(S0+t^2*(S1+t^2*(S2+t^2*(S3+t^2*S4)))), |t|<Pi/4. */
+ .p2align 3
+L(DP_S3):
+ .long 0x64e6b5b4,0x3ec71d72
+ .type L(DP_S3), @object
+ ASM_SIZE_DIRECTIVE(L(DP_S3))
+
+ .p2align 3
+L(DP_S1):
+ .long 0x10c2688b,0x3f811111
+ .type L(DP_S1), @object
+ ASM_SIZE_DIRECTIVE(L(DP_S1))
+
+ .p2align 3
+L(DP_S4):
+ .long 0x1674b58a,0xbe5a947e
+ .type L(DP_S4), @object
+ ASM_SIZE_DIRECTIVE(L(DP_S4))
+
+ .p2align 3
+L(DP_S2):
+ .long 0x8b4bd1f9,0xbf2a019f
+ .type L(DP_S2), @object
+ ASM_SIZE_DIRECTIVE(L(DP_S2))
+
+ .p2align 3
+L(DP_S0):
+ .long 0x55551cd9,0xbfc55555
+ .type L(DP_S0), @object
+ ASM_SIZE_DIRECTIVE(L(DP_S0))
+
+ .p2align 3
+L(DP_SMALL):
+ .long 0x00000000,0x3cd00000 /* 2^(-50) */
+ .type L(DP_SMALL), @object
+ ASM_SIZE_DIRECTIVE(L(DP_SMALL))
+
+/* Coefficients of polynomial
+ for cos(t)~=1.0+t^2*(C0+t^2*(C1+t^2*(C2+t^2*(C3+t^2*C4)))), |t|<Pi/4. */
+ .p2align 3
+L(DP_C3):
+ .long 0x9ac43cc0,0x3efa00eb
+ .type L(DP_C3), @object
+ ASM_SIZE_DIRECTIVE(L(DP_C3))
+
+ .p2align 3
+L(DP_C1):
+ .long 0x545c50c7,0x3fa55555
+ .type L(DP_C1), @object
+ ASM_SIZE_DIRECTIVE(L(DP_C1))
+
+ .p2align 3
+L(DP_C4):
+ .long 0xdd8844d7,0xbe923c97
+ .type L(DP_C4), @object
+ ASM_SIZE_DIRECTIVE(L(DP_C4))
+
+ .p2align 3
+L(DP_C2):
+ .long 0x348b6874,0xbf56c16b
+ .type L(DP_C2), @object
+ ASM_SIZE_DIRECTIVE(L(DP_C2))
+
+ .p2align 3
+L(DP_C0):
+ .long 0xfffe98ae,0xbfdfffff
+ .type L(DP_C0), @object
+ ASM_SIZE_DIRECTIVE(L(DP_C0))
+
+ .p2align 3
+L(DP_PIO4):
+ .long 0x54442d18,0x3fe921fb /* Pi/4 */
+ .type L(DP_PIO4), @object
+ ASM_SIZE_DIRECTIVE(L(DP_PIO4))
+
+ .p2align 3
+L(DP_2POW52):
+ .long 0x00000000,0x43300000 /* +2^52 */
+ .long 0x00000000,0xc3300000 /* -2^52 */
+ .type L(DP_2POW52), @object
+ ASM_SIZE_DIRECTIVE(L(DP_2POW52))
+
+ .p2align 3
+L(DP_INVPIO4):
+ .long 0x6dc9c883,0x3ff45f30 /* 4/Pi */
+ .type L(DP_INVPIO4), @object
+ ASM_SIZE_DIRECTIVE(L(DP_INVPIO4))
+
+ .p2align 3
+L(DP_PIO4HI):
+ .long 0x54000000,0xbfe921fb /* High part of Pi/4 */
+ .type L(DP_PIO4HI), @object
+ ASM_SIZE_DIRECTIVE(L(DP_PIO4HI))
+
+ .p2align 3
+L(DP_PIO4LO):
+ .long 0x11A62633,0xbe010b46 /* Low part of Pi/4 */
+ .type L(DP_PIO4LO), @object
+ ASM_SIZE_DIRECTIVE(L(DP_PIO4LO))
+
+ .p2align 2
+L(SP_INVPIO4):
+ .long 0x3fa2f983 /* 4/Pi */
+ .type L(SP_INVPIO4), @object
+ ASM_SIZE_DIRECTIVE(L(SP_INVPIO4))
+
+ .p2align 4
+L(DP_ABS_MASK): /* Mask for getting DP absolute value */
+ .long 0xffffffff,0x7fffffff
+ .long 0xffffffff,0x7fffffff
+ .type L(DP_ABS_MASK), @object
+ ASM_SIZE_DIRECTIVE(L(DP_ABS_MASK))
+
+ .p2align 3
+L(DP_HI_MASK): /* Mask for getting high 21 bits of DP value */
+ .long 0x00000000,0xffffffff
+ .type L(DP_ABS_MASK), @object
+ ASM_SIZE_DIRECTIVE(L(DP_ABS_MASK))
+
+weak_alias (__sinf, sinf)
diff --git a/sysdeps/i386/i686/fpu/multiarch/s_sinf.c b/sysdeps/i386/i686/fpu/multiarch/s_sinf.c
new file mode 100644
index 0000000..80b2fd6
--- /dev/null
+++ b/sysdeps/i386/i686/fpu/multiarch/s_sinf.c
@@ -0,0 +1,28 @@
+/* Multiple versions of sinf
+ Copyright (C) 2012 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <init-arch.h>
+
+extern float __sinf_sse2 (float);
+extern float __sinf_ia32 (float);
+float __sinf (float);
+
+libm_ifunc (__sinf, HAS_SSE2 ? __sinf_sse2 : __sinf_ia32);
+weak_alias (__sinf, sinf);
+#define SINF __sinf_ia32
+#include <sysdeps/ieee754/flt-32/s_sinf.c>
generated by cgit v1.1 at 2024-11-05 08:43:48 +0000