diff options
Diffstat (limited to 'binutils-2.21/ld/testsuite/ld-arm/cortex-a8-fix-blx-bcond.s')
| -rw-r--r-- | binutils-2.21/ld/testsuite/ld-arm/cortex-a8-fix-blx-bcond.s | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/binutils-2.21/ld/testsuite/ld-arm/cortex-a8-fix-blx-bcond.s b/binutils-2.21/ld/testsuite/ld-arm/cortex-a8-fix-blx-bcond.s new file mode 100644 index 0000000..cb40fb4 --- /dev/null +++ b/binutils-2.21/ld/testsuite/ld-arm/cortex-a8-fix-blx-bcond.s @@ -0,0 +1,81 @@ + .syntax unified + .cpu cortex-a8 + .thumb + .text + + @ expansion 32 bytes + .macro bw1 +1: + add.w r0, r1, r2 + blx.w arm_target + add.w r0, r1, r2 + blx.w arm_target + add.w r0, r1, r2 + blx.w arm_target + add.w r0, r1, r2 + blx.w arm_target + .endm + + @ expansion 128 bytes + .macro bw2 + bw1 + bw1 + bw1 + bw1 + .endm + + @ expansion 32 bytes + .macro bw3 +1: + add.w r0, r1, r2 + bne.w 1b + add.w r0, r1, r2 + bne.w 1b + add.w r0, r1, r2 + bne.w 1b + add.w r0, r1, r2 + bne.w 1b + .endm + + @ expansion 128 bytes + .macro bw4 + bw3 + bw3 + bw3 + bw3 + .endm + + .align 3 + .global _start + + .thumb + .thumb_func + .type _start, %function +_start: + nop + + @ Trigger Cortex-A8 erratum workaround with b<cond> instructions. + bw4 + bw4 + + nop + + .rept 957 + nop.w + .endr + + .arm +arm_target: + add r3, r4, r5 + bx lr + + .thumb +bl_insns: + + nop + + @ ...and again with bl instructions. + bw2 + bw2 + + bx lr |