# commit 6a31fe7f9cce72b69fce8fe499a2c6ad492c2311 # Author: Alan Modra # Date: Sat Aug 17 18:32:18 2013 +0930 # # PowerPC floating point little-endian [13 of 15] # http://sourceware.org/ml/libc-alpha/2013-08/msg00088.html # # * sysdeps/powerpc/powerpc32/fpu/s_roundf.S: Increase alignment of # constants to usual value for .cst8 section, and remove redundant # high address load. # * sysdeps/powerpc/powerpc32/power4/fpu/s_llround.S: Use float # constant for 0x1p52. Load little-endian words of double from # correct stack offsets. # diff -urN glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/fpu/s_roundf.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/fpu/s_roundf.S --- glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/fpu/s_roundf.S 2014-05-27 22:50:13.000000000 -0500 +++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/fpu/s_roundf.S 2014-05-27 22:50:13.000000000 -0500 @@ -19,7 +19,7 @@ #include .section .rodata.cst8,"aM",@progbits,8 - .align 2 + .align 3 .LC0: /* 2**23 */ .long 0x4b000000 .LC1: /* 0.5 */ @@ -60,7 +60,6 @@ #ifdef SHARED lfs fp10,.LC1-.LC0(r9) #else - lis r9,.LC1@ha lfs fp10,.LC1@l(r9) #endif ble- cr6,.L4 diff -urN glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/fpu/s_llround.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/fpu/s_llround.S --- glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/fpu/s_llround.S 2014-05-27 22:50:13.000000000 -0500 +++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/fpu/s_llround.S 2014-05-27 22:50:13.000000000 -0500 @@ -19,12 +19,10 @@ #include #include - .section .rodata.cst12,"aM",@progbits,12 + .section .rodata.cst8,"aM",@progbits,8 .align 3 - .LC0: /* 0x1.0000000000000p+52 == 2^52 */ - .long 0x43300000 - .long 0x00000000 - .long 0x3f000000 /* Use this for 0.5 */ + .LC0: .long (52+127)<<23 /* 0x1p+52 */ + .long (-1+127)<<23 /* 0.5 */ .section ".text" @@ -57,12 +55,12 @@ addi r9,r9,.LC0-got_label@l mtlr r11 cfi_same_value (lr) - lfd fp9,0(r9) - lfs fp10,8(r9) + lfs fp9,0(r9) + lfs fp10,4(r9) #else lis r9,.LC0@ha - lfd fp9,.LC0@l(r9) /* Load 2^52 into fpr9. */ - lfs fp10,.LC0@l+8(r9) /* Load 0.5 into fpr10. */ + lfs fp9,.LC0@l(r9) /* Load 2^52 into fpr9. */ + lfs fp10,.LC0@l+4(r9) /* Load 0.5 into fpr10. */ #endif fabs fp2,fp1 /* Get the absolute value of x. */ fsub fp12,fp10,fp10 /* Compute 0.0 into fpr12. */ @@ -80,8 +78,8 @@ nop nop nop - lwz r4,12(r1) /* Load return as integer. */ - lwz r3,8(r1) + lwz r3,8+HIWORD(r1) /* Load return as integer. */ + lwz r4,8+LOWORD(r1) .Lout: addi r1,r1,16 blr