ref: 155f9b2ea4cafc90abb8c561aaeadfe05e08266a
parent: 0e6554d897d63214243cdf11db52f01e985420a0
author: lenox <lenox>
date: Thu Mar 2 14:31:34 EST 2000
added gcc asm code
--- a/aac_qc.c
+++ b/aac_qc.c
@@ -188,6 +188,67 @@
fstp st(0)
}
}
+#elif defined (USE_GNUC_ASM)
+ {+ int rx[4];
+ __asm__ __volatile__(
+ "\n\nloop1:\n\t"
+
+ "fldl (%1)\n\t"
+ "fldl 8(%1)\n\t"
+ "fldl 16(%1)\n\t"
+ "fldl 24(%1)\n\t"
+
+ "fxch %%st(3)\n\t"
+ "fmul %%st(4)\n\t"
+ "fxch %%st(2)\n\t"
+ "fmul %%st(4)\n\t"
+ "fxch %%st(1)\n\t"
+ "fmul %%st(4)\n\t"
+ "fxch %%st(3)\n\t"
+ "fmul %%st(4)\n\t"
+
+ "addl $32, %1\n\t"
+ "addl $16, %3\n\t"
+
+ "fxch %%st(2)\n\t"
+ "fistl %5\n\t"
+ "fxch %%st(1)\n\t"
+ "fistl 4+%5\n\t"
+ "fxch %%st(3)\n\t"
+ "fistl 8+%5\n\t"
+ "fxch %%st(2)\n\t"
+ "fistl 12+%5\n\t"
+
+ "dec %4\n\t"
+
+ "movl %5, %%eax\n\t"
+ "movl 4+%5, %%ebx\n\t"
+ "fxch %%st(1)\n\t"
+ "faddl (%2,%%eax,8)\n\t"
+ "fxch %%st(3)\n\t"
+ "faddl (%2,%%ebx,8)\n\t"
+
+ "movl 8+%5, %%eax\n\t"
+ "movl 12+%5, %%ebx\n\t"
+ "fxch %%st(2)\n\t"
+ "faddl (%2,%%eax,8)\n\t"
+ "fxch %%st(1)\n\t"
+ "faddl (%2,%%ebx,8)\n\t"
+
+ "fxch %%st(3)\n\t"
+ "fistpl -16(%3)\n\t"
+ "fxch %%st(1)\n\t"
+ "fistpl -12(%3)\n\t"
+ "fistpl -8(%3)\n\t"
+ "fistpl -4(%3)\n\t"
+
+ "jnz loop1\n\n"
+ : /* no outputs */
+ : "t" (istep), "r" (pow_spectrum), "r" (adj_quant_asm), "r" (quant), "r" (1024 / 4), "m" (rx)
+ : "%eax", "%ebx", "memory", "cc"
+ );
+ }
#elif 0
{double x;