* exp2(x) = 2^n * T[j] * (1 + P(y))
* where
* x = m*(1/K) + y, y in [-1/K..1/K]
- * m = n*K + j, m,n,j - signed integer, j in [-K/2..K/2]
+ * m = n*K + j, m, n,j - signed integer, j in [-K/2..K/2]
*
* values of 2^j/K are tabulated
*
/* Offsets for data table __svml_sexp2_data_internal
*/
-#define _sShifter 0
-#define _sPC0 16
-#define _sPC1 32
-#define _sPC2 48
-#define _sPC3 64
-#define _sPC4 80
-#define _sPC5 96
-#define _sPC6 112
-#define _iAbsMask 128
-#define _iDomainRange 144
+#define _sShifter 0
+#define _sPC0 16
+#define _sPC1 32
+#define _sPC2 48
+#define _sPC3 64
+#define _sPC4 80
+#define _sPC5 96
+#define _sPC6 112
+#define _iAbsMask 128
+#define _iDomainRange 144
#include <sysdep.h>
- .text
- .section .text.sse4,"ax",@progbits
+ .section .text.sse4, "ax", @progbits
ENTRY(_ZGVbN4v_exp2f_sse4)
- subq $72, %rsp
- cfi_def_cfa_offset(80)
-
-/* Check for overflow\underflow */
- movups __svml_sexp2_data_internal(%rip), %xmm1
-
-/* Implementation */
- movaps %xmm1, %xmm5
-
-/* Polynomial */
- movups _sPC6+__svml_sexp2_data_internal(%rip), %xmm4
- addps %xmm0, %xmm5
- movaps %xmm5, %xmm3
-
-/* 2^N */
- pslld $23, %xmm5
-
-/* Check for overflow\underflow */
- movdqu _iAbsMask+__svml_sexp2_data_internal(%rip), %xmm2
- subps %xmm1, %xmm3
-
-/* R */
- movaps %xmm0, %xmm1
- pand %xmm0, %xmm2
- pcmpgtd _iDomainRange+__svml_sexp2_data_internal(%rip), %xmm2
- subps %xmm3, %xmm1
- movmskps %xmm2, %edx
- mulps %xmm1, %xmm4
- addps _sPC5+__svml_sexp2_data_internal(%rip), %xmm4
- mulps %xmm1, %xmm4
- addps _sPC4+__svml_sexp2_data_internal(%rip), %xmm4
- mulps %xmm1, %xmm4
- addps _sPC3+__svml_sexp2_data_internal(%rip), %xmm4
- mulps %xmm1, %xmm4
- addps _sPC2+__svml_sexp2_data_internal(%rip), %xmm4
- mulps %xmm1, %xmm4
- addps _sPC1+__svml_sexp2_data_internal(%rip), %xmm4
- mulps %xmm4, %xmm1
- addps _sPC0+__svml_sexp2_data_internal(%rip), %xmm1
-
-/* Reconstruction */
- paddd %xmm5, %xmm1
- testl %edx, %edx
-
-/* Go to special inputs processing branch */
- jne L(SPECIAL_VALUES_BRANCH)
- # LOE rbx rbp r12 r13 r14 r15 edx xmm0 xmm1
-
-/* Restore registers
- * and exit the function
- */
+ subq $72, %rsp
+ cfi_def_cfa_offset(80)
+
+ /* Check for overflow\underflow */
+ movups __svml_sexp2_data_internal(%rip), %xmm1
+
+ /* Implementation */
+ movaps %xmm1, %xmm5
+
+ /* Polynomial */
+ movups _sPC6+__svml_sexp2_data_internal(%rip), %xmm4
+ addps %xmm0, %xmm5
+ movaps %xmm5, %xmm3
+
+ /* 2^N */
+ pslld $23, %xmm5
+
+ /* Check for overflow\underflow */
+ movdqu _iAbsMask+__svml_sexp2_data_internal(%rip), %xmm2
+ subps %xmm1, %xmm3
+
+ /* R */
+ movaps %xmm0, %xmm1
+ pand %xmm0, %xmm2
+ pcmpgtd _iDomainRange+__svml_sexp2_data_internal(%rip), %xmm2
+ subps %xmm3, %xmm1
+ movmskps %xmm2, %edx
+ mulps %xmm1, %xmm4
+ addps _sPC5+__svml_sexp2_data_internal(%rip), %xmm4
+ mulps %xmm1, %xmm4
+ addps _sPC4+__svml_sexp2_data_internal(%rip), %xmm4
+ mulps %xmm1, %xmm4
+ addps _sPC3+__svml_sexp2_data_internal(%rip), %xmm4
+ mulps %xmm1, %xmm4
+ addps _sPC2+__svml_sexp2_data_internal(%rip), %xmm4
+ mulps %xmm1, %xmm4
+ addps _sPC1+__svml_sexp2_data_internal(%rip), %xmm4
+ mulps %xmm4, %xmm1
+ addps _sPC0+__svml_sexp2_data_internal(%rip), %xmm1
+
+ /* Reconstruction */
+ paddd %xmm5, %xmm1
+ testl %edx, %edx
+
+ /* Go to special inputs processing branch */
+ jne L(SPECIAL_VALUES_BRANCH)
+ # LOE rbx rbp r12 r13 r14 r15 edx xmm0 xmm1
+
+ /* Restore registers
+ * and exit the function
+ */
L(EXIT):
- movaps %xmm1, %xmm0
- addq $72, %rsp
- cfi_def_cfa_offset(8)
- ret
- cfi_def_cfa_offset(80)
-
-/* Branch to process
- * special inputs
- */
+ movaps %xmm1, %xmm0
+ addq $72, %rsp
+ cfi_def_cfa_offset(8)
+ ret
+ cfi_def_cfa_offset(80)
+
+ /* Branch to process
+ * special inputs
+ */
L(SPECIAL_VALUES_BRANCH):
- movups %xmm0, 32(%rsp)
- movups %xmm1, 48(%rsp)
- # LOE rbx rbp r12 r13 r14 r15 edx
-
- xorl %eax, %eax
- movq %r12, 16(%rsp)
- cfi_offset(12, -64)
- movl %eax, %r12d
- movq %r13, 8(%rsp)
- cfi_offset(13, -72)
- movl %edx, %r13d
- movq %r14, (%rsp)
- cfi_offset(14, -80)
- # LOE rbx rbp r15 r12d r13d
-
-/* Range mask
- * bits check
- */
+ movups %xmm0, 32(%rsp)
+ movups %xmm1, 48(%rsp)
+ # LOE rbx rbp r12 r13 r14 r15 edx
+
+ xorl %eax, %eax
+ movq %r12, 16(%rsp)
+ cfi_offset(12, -64)
+ movl %eax, %r12d
+ movq %r13, 8(%rsp)
+ cfi_offset(13, -72)
+ movl %edx, %r13d
+ movq %r14, (%rsp)
+ cfi_offset(14, -80)
+ # LOE rbx rbp r15 r12d r13d
+
+ /* Range mask
+ * bits check
+ */
L(RANGEMASK_CHECK):
- btl %r12d, %r13d
+ btl %r12d, %r13d
-/* Call scalar math function */
- jc L(SCALAR_MATH_CALL)
- # LOE rbx rbp r15 r12d r13d
+ /* Call scalar math function */
+ jc L(SCALAR_MATH_CALL)
+ # LOE rbx rbp r15 r12d r13d
-/* Special inputs
- * processing loop
- */
+ /* Special inputs
+ * processing loop
+ */
L(SPECIAL_VALUES_LOOP):
- incl %r12d
- cmpl $4, %r12d
-
-/* Check bits in range mask */
- jl L(RANGEMASK_CHECK)
- # LOE rbx rbp r15 r12d r13d
-
- movq 16(%rsp), %r12
- cfi_restore(12)
- movq 8(%rsp), %r13
- cfi_restore(13)
- movq (%rsp), %r14
- cfi_restore(14)
- movups 48(%rsp), %xmm1
-
-/* Go to exit */
- jmp L(EXIT)
- cfi_offset(12, -64)
- cfi_offset(13, -72)
- cfi_offset(14, -80)
- # LOE rbx rbp r12 r13 r14 r15 xmm1
-
-/* Scalar math fucntion call
- * to process special input
- */
+ incl %r12d
+ cmpl $4, %r12d
+
+ /* Check bits in range mask */
+ jl L(RANGEMASK_CHECK)
+ # LOE rbx rbp r15 r12d r13d
+
+ movq 16(%rsp), %r12
+ cfi_restore(12)
+ movq 8(%rsp), %r13
+ cfi_restore(13)
+ movq (%rsp), %r14
+ cfi_restore(14)
+ movups 48(%rsp), %xmm1
+
+ /* Go to exit */
+ jmp L(EXIT)
+ cfi_offset(12, -64)
+ cfi_offset(13, -72)
+ cfi_offset(14, -80)
+ # LOE rbx rbp r12 r13 r14 r15 xmm1
+
+ /* Scalar math fucntion call
+ * to process special input
+ */
L(SCALAR_MATH_CALL):
- movl %r12d, %r14d
- movss 32(%rsp,%r14,4), %xmm0
- call exp2f@PLT
- # LOE rbx rbp r14 r15 r12d r13d xmm0
+ movl %r12d, %r14d
+ movss 32(%rsp, %r14, 4), %xmm0
+ call exp2f@PLT
+ # LOE rbx rbp r14 r15 r12d r13d xmm0
- movss %xmm0, 48(%rsp,%r14,4)
+ movss %xmm0, 48(%rsp, %r14, 4)
-/* Process special inputs in loop */
- jmp L(SPECIAL_VALUES_LOOP)
- # LOE rbx rbp r15 r12d r13d
+ /* Process special inputs in loop */
+ jmp L(SPECIAL_VALUES_LOOP)
+ # LOE rbx rbp r15 r12d r13d
END(_ZGVbN4v_exp2f_sse4)
- .section .rodata, "a"
- .align 16
+ .section .rodata, "a"
+ .align 16
#ifdef __svml_sexp2_data_internal_typedef
typedef unsigned int VUINT32;
-typedef struct
-{
- __declspec(align(16)) VUINT32 _sShifter[4][1];
- __declspec(align(16)) VUINT32 _sPC0[4][1];
- __declspec(align(16)) VUINT32 _sPC1[4][1];
- __declspec(align(16)) VUINT32 _sPC2[4][1];
- __declspec(align(16)) VUINT32 _sPC3[4][1];
- __declspec(align(16)) VUINT32 _sPC4[4][1];
- __declspec(align(16)) VUINT32 _sPC5[4][1];
- __declspec(align(16)) VUINT32 _sPC6[4][1];
- __declspec(align(16)) VUINT32 _iAbsMask[4][1];
- __declspec(align(16)) VUINT32 _iDomainRange[4][1];
+typedef struct {
+ __declspec(align(16)) VUINT32 _sShifter[4][1];
+ __declspec(align(16)) VUINT32 _sPC0[4][1];
+ __declspec(align(16)) VUINT32 _sPC1[4][1];
+ __declspec(align(16)) VUINT32 _sPC2[4][1];
+ __declspec(align(16)) VUINT32 _sPC3[4][1];
+ __declspec(align(16)) VUINT32 _sPC4[4][1];
+ __declspec(align(16)) VUINT32 _sPC5[4][1];
+ __declspec(align(16)) VUINT32 _sPC6[4][1];
+ __declspec(align(16)) VUINT32 _iAbsMask[4][1];
+ __declspec(align(16)) VUINT32 _iDomainRange[4][1];
} __svml_sexp2_data_internal;
#endif
__svml_sexp2_data_internal:
- .long 0x4b400000, 0x4b400000, 0x4b400000, 0x4b400000 /* _sShifter */
- .align 16
- .long 0x3F800000, 0x3F800000, 0x3F800000, 0x3F800000 /* _sPC0 */
- .align 16
- .long 0x3f317218, 0x3f317218, 0x3f317218, 0x3f317218 /* _sPC1 */
- .align 16
- .long 0x3e75fdef, 0x3e75fdef, 0x3e75fdef, 0x3e75fdef /* _sPC2 */
- .align 16
- .long 0x3d6357cf, 0x3d6357cf, 0x3d6357cf, 0x3d6357cf /* _sPC3 */
- .align 16
- .long 0x3c1d962c, 0x3c1d962c, 0x3c1d962c, 0x3c1d962c /* _sPC4 */
- .align 16
- .long 0x3aaf7a51, 0x3aaf7a51, 0x3aaf7a51, 0x3aaf7a51 /* _sPC5 */
- .align 16
- .long 0x39213c8c, 0x39213c8c, 0x39213c8c, 0x39213c8c /* _sPC6 */
- //common
- .align 16
- .long 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff /* _iAbsMask */
- .align 16
- .long 0x42fc0000, 0x42fc0000, 0x42fc0000, 0x42fc0000 /* _iDomainRange=126.0 */
- .align 16
- .type __svml_sexp2_data_internal,@object
- .size __svml_sexp2_data_internal,.-__svml_sexp2_data_internal
+ .long 0x4b400000, 0x4b400000, 0x4b400000, 0x4b400000 /* _sShifter */
+ .align 16
+ .long 0x3F800000, 0x3F800000, 0x3F800000, 0x3F800000 /* _sPC0 */
+ .align 16
+ .long 0x3f317218, 0x3f317218, 0x3f317218, 0x3f317218 /* _sPC1 */
+ .align 16
+ .long 0x3e75fdef, 0x3e75fdef, 0x3e75fdef, 0x3e75fdef /* _sPC2 */
+ .align 16
+ .long 0x3d6357cf, 0x3d6357cf, 0x3d6357cf, 0x3d6357cf /* _sPC3 */
+ .align 16
+ .long 0x3c1d962c, 0x3c1d962c, 0x3c1d962c, 0x3c1d962c /* _sPC4 */
+ .align 16
+ .long 0x3aaf7a51, 0x3aaf7a51, 0x3aaf7a51, 0x3aaf7a51 /* _sPC5 */
+ .align 16
+ .long 0x39213c8c, 0x39213c8c, 0x39213c8c, 0x39213c8c /* _sPC6 */
+ //common
+ .align 16
+ .long 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff /* _iAbsMask */
+ .align 16
+ .long 0x42fc0000, 0x42fc0000, 0x42fc0000, 0x42fc0000 /* _iDomainRange=126.0 */
+ .align 16
+ .type __svml_sexp2_data_internal, @object
+ .size __svml_sexp2_data_internal, .-__svml_sexp2_data_internal
projects / thirdparty / glibc.git / commitdiff
