Change Details

This is based on D54720 by Sean Fertile. addis 3, 2, .LC0@toc@ha # R_PPC64_TOC16_HA ld 3, .LC0@toc@l(3) # R_PPC64_TOC16_LO_DS .section .toc,"aw",@progbits .LC0: .tc aGlobal[TC],aGlobal can be relaxed to addis 3,2,offset_ha # or nop addi 3,3,offset_l # or addi 3,2,offset This requires .LC0 to a defined non-preemptable symbol addressable with 32-bit signed offset from the toc pointer.

This is based on D54720 by Sean Fertile. When accessing a global symbol which is not defined in the translation unit, compilers will load the address from the toc entry. If the symbol is defined, non-preemptable, and addressable with 32-bit signed offset from the toc pointer, the address can be computed directly. e.g. addis 3, 2, .LC0@toc@ha # R_PPC64_TOC16_HA ld 3, .LC0@toc@l(3) # R_PPC64_TOC16_LO_DS .section .toc,"aw",@progbits .LC0: .tc aGlobal[TC],aGlobal can be relaxed to addis 3,2,offset_ha # or nop addi 3,3,offset_l # or addi 3,2,offset We can delete the test ppc64-got-indirect.s as its purpose is covered by newly added ppc64-toc-relax.s and ppc64-toc-relax-constants.s

This is based on D54720 by Sean Fertile. When accessing a global symbol which is not defined in the translation unit, compilers will load the address from the toc entry. If the symbol is defined, non-preemptable, and addressable with 32-bit signed offset from the toc pointer, the address can be computed directly. e.g. addis 3, 2, .LC0@toc@ha # R_PPC64_TOC16_HA ld 3, .LC0@toc@l(3) # R_PPC64_TOC16_LO_DS .section .toc,"aw",@progbits .LC0: .tc aGlobal[TC],aGlobal can be relaxed to addis 3,2,offset_ha # or nop addi 3,3,offset_l # or addi 3,2,offset This requires .LC0 to a defined non-preemptable symbol addressable withWe can delete the test ppc64-got-indirect.s as its purpose is covered by 32-bit signed offset from the toc pointer.newly added ppc64-toc-relax.s and ppc64-toc-relax-constants.s