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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [gold/] [testsuite/] [thumb_blx_in_range.s] - Rev 147
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# thumb_blx_in_range.s # # Test THUMB/THUMB-2 blx instructions just within the branch range limits. # Because bit 1 of the branch target comes from the branch instruction # address, the branch range from PC (branch instruction address + 4) is # acutally -((1<<22) + 2) to ((1<<22) - 4) for THUMB and -((1<<24) + 2) to # ((1<<24) - 4) from THUMB2. .syntax unified .section .text.pre,"x" # Add padding so that target is just in branch range. .space 8 .align 2 .global _backward_target .code 32 .type _backword_target, %function _backward_target: bx lr .size _backward_target, .-_backward_target .text # Define _start so that linker does not complain. .global _start .code 32 .align 2 .type _start, %function _start: bx lr .size _start, .-_start .global _backward_test .code 16 .thumb_func .type _backward_test, %function _backward_test: nop.n blx _backward_target .size _backward_test, .-_backward_test .align 2 .global _forward_test .code 16 .thumb_func .type _forward_test, %function _forward_test: blx _forward_target .size _forward_test, .-_forward_test .code 32 .section .text.post,"x" # Add padding so that target is just in branch range. .space 12 .align 2 .global _forward_target .code 32 .type _forward_target, %function _forward_target: bx lr .size _forward_target, .-_forward_target
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