From 828177eddc5ec38abce9416658df1d8fd4b2fcbd Mon Sep 17 00:00:00 2001 From: Pavel Pisa <pisa@cmp.felk.cvut.cz> Date: Sun, 13 Mar 2022 16:25:17 +0100 Subject: [PATCH] seminaries/qtrvsim/hazards-from-lecture: examples from lecture 5 pipeline. Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz> --- .../qtrvsim/hazards-from-lecture/alu-hazards.S | 10 ++++++++++ .../qtrvsim/hazards-from-lecture/beq-hazards.S | 15 +++++++++++++++ .../qtrvsim/hazards-from-lecture/lw-hazards.S | 13 +++++++++++++ 3 files changed, 38 insertions(+) create mode 100644 seminaries/qtrvsim/hazards-from-lecture/alu-hazards.S create mode 100644 seminaries/qtrvsim/hazards-from-lecture/beq-hazards.S create mode 100644 seminaries/qtrvsim/hazards-from-lecture/lw-hazards.S diff --git a/seminaries/qtrvsim/hazards-from-lecture/alu-hazards.S b/seminaries/qtrvsim/hazards-from-lecture/alu-hazards.S new file mode 100644 index 0000000..415ed25 --- /dev/null +++ b/seminaries/qtrvsim/hazards-from-lecture/alu-hazards.S @@ -0,0 +1,10 @@ + li s1, 0x11111111 + li s2, 0x22222222 + li s3, 0x33333333 + li s4, 0x44444444 + li s5, 0x55555555 + + add s0, s2, s3 + and t0, s0, s1 + or t1, s4, s0 + sub t2, s0, s5 diff --git a/seminaries/qtrvsim/hazards-from-lecture/beq-hazards.S b/seminaries/qtrvsim/hazards-from-lecture/beq-hazards.S new file mode 100644 index 0000000..80cb502 --- /dev/null +++ b/seminaries/qtrvsim/hazards-from-lecture/beq-hazards.S @@ -0,0 +1,15 @@ + li s1, 0x11111111 + li s2, 0x22222222 + li s3, 0x33333333 + li s4, 0x44444444 + li s5, 0x55555555 + addi t1, zero, 0x123 + addi t2, zero, 0x123 + + beq t1, t2, skip + and t0, s0, s1 + or t1, s4, s0 + sub t2, s0, s5 + +skip: + slt t3, s2, s3 diff --git a/seminaries/qtrvsim/hazards-from-lecture/lw-hazards.S b/seminaries/qtrvsim/hazards-from-lecture/lw-hazards.S new file mode 100644 index 0000000..4245556 --- /dev/null +++ b/seminaries/qtrvsim/hazards-from-lecture/lw-hazards.S @@ -0,0 +1,13 @@ + li s1, 0x11111111 + li s2, 0x22222222 + li s3, 0x33333333 + li s4, 0x44444444 + li s5, 0x55555555 + + lw s0, 40(0) + and t0, s0, s1 + or t1, s4, s0 + sub t2, s0, s5 + +.org 40 + .word 0x12345678 -- GitLab